Toyota CH-R Service Manual: Lost communication with Side Airbag Sensor RH (B1622/81,B1623/81,B1632/81,B1633/81,B1642/81,B1643/81,B166D/81,B166E/81)

Toyota CH-R Service Manual / Supplemental Restraint Systems / Airbag System / Lost communication with Side Airbag Sensor RH (B1622/81,B1623/81,B1632/81,B1633/81,B1642/81,B1643/81,B166D/81,B166E/81)

DESCRIPTION

The side collision sensor RH circuit (bus 1) consists of the airbag sensor assembly, door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag sensor RH.

The door side airbag sensor RH, No. 1 side airbag sensor RH and No. 2 side airbag sensor RH detect impacts to the vehicle and send signals to the airbag sensor assembly to determine if the airbags and pretensioners should be deployed.

These DTCs are stored when a malfunction is detected in the side collision sensor RH circuit (bus 1).

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Test Mode / Check Mode

B1622/81

Lost communication with Side Airbag Sensor RH

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B1623/81

Side Airbag Sensor Assembly RH Initialization Incomplete

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B1632/81

Lost Communication with Rear Airbag Sensor RH

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B1633/81

Rear Airbag Sensor Assembly RH Initialization Incomplete

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B1642/81

Lost Communication with Side Satellite Sensor Bus RH

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B1643/81

Side Satellite Sensor Bus RH Initialization Incomplete

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B166D/81

Lost Communication with Front Door Pressure Sensor RH

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

B166E/81

Front Door Pressure Sensor RH Initialization Incomplete

Any of the following conditions is met:

  • The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1).
  • The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1).
  • No. 1 side airbag sensor RH malfunction
  • No. 2 side airbag sensor RH malfunction
  • Door side airbag sensor RH malfunction
  • Airbag sensor assembly malfunction
  • Floor wire
  • Front door wire RH
  • No. 1 side airbag sensor RH
  • No. 2 side airbag sensor RH
  • Door side airbag sensor RH
  • Airbag sensor assembly

Does not apply to test/check mode

DTC Detection Conditions (B1622/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B1623/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B1632/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B1633/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B1642/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B1643/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B166D/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

DTC Detection Conditions (B166E/81):
 

Vehicle Condition

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Pattern 8

Diagnosis Condition

Ignition switch ON

Malfunction Status

The airbag sensor assembly detects a line short in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to ground in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects a short to B+ in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

The airbag sensor assembly detects an open in the side collision sensor RH circuit (bus 1)

-

-

-

-

-

-

-

No. 1 side airbag sensor RH malfunction

-

-

-

-

-

-

-

No. 2 side airbag sensor RH malfunction

-

-

-

-

-

-

-

Door side airbag sensor RH malfunction

-

-

-

-

-

-

-

Airbag sensor assembly malfunction

-

-

-

-

-

-

-

Detection Time

-

-

-

-

-

-

-

-

Number of Trips

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

Click here

PROCEDURE

1.

CHECK CURRENT DTC

(a) Check for current DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

  • DTCs indicating communication errors will be changed to DTCs indicating errors in initialization by turning the ignition switch off and then ON again.
  • Codes other than current DTCs B1622/81, B1623/81, B1632/81, B1633/81, B1642/81, B1643/81, B166D/81 and B166E/81 may be output at this time, but they are not related to this check.

Result

Proceed to

Current DTC B1642/81 or B1643/81 is output.

A

Current DTC B1623/81 is output.

B

Current DTC B1633/81 is output.

C

Current DTC B166D/81 or B166E/81 is output.

D

Current DTC B1622/81 is output.

E

Current DTC B1632/81 is output.

F

Current DTCs B1622/81, B1623/81, B1632/81, B1633/81, B1642/81, B1643/81, B166D/81 and B166E/81 are not output.

G

B

GO TO STEP 22

C

GO TO STEP 42

D

GO TO STEP 51

E

GO TO STEP 62

F

GO TO STEP 63

G

USE SIMULATION METHOD TO CHECK

A

2.

CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the airbag sensor assembly, No. 1 side airbag sensor RH, No. 2 side airbag sensor RH and door side airbag sensor RH. Also check that the connectors that link the floor wire and front door wire RH are properly connected.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the airbag sensor assembly, No. 1 side airbag sensor RH, No. 2 side airbag sensor RH and door side airbag sensor RH. Also disconnect the connectors that link the floor wire and front door wire RH.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

NG

REPLACE WIRE HARNESS

OK

3.

CHECK FLOOR WIRE (OPEN)

(a) w/o Occupant Classification System

(1) Using a service wire, connect terminals 8 (BBR+) and 11 (BBR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(b) w/ Occupant Classification System

(1) Using a service wire, connect terminals 17 (BBR+) and 18 (BBR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*A

w/o Occupant Classification System

*B

w/ Occupant Classification System

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*4

Service Wire

*a

Front view of wire harness connector

(to Airbag Sensor Assembly)

*b

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - M56-3 (BBR-)

Always

Below 1 Ω

(d) Disconnect the service wire from connector B.

NG

REPLACE FLOOR WIRE

OK

4.

CHECK FLOOR WIRE (SHORT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - M56-3 (BBR-)

Always

1 MΩ or higher

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

5.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M56-4 (BBR+) - Body ground

Ignition switch ON

Below 1 V

M56-3 (BBR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

REPLACE FLOOR WIRE

OK

6.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - Body ground

Always

1 MΩ or higher

M56-3 (BBR-) - Body ground

Always

1 MΩ or higher

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

7.

CHECK FLOOR WIRE (OPEN)

(a) Using a service wire, connect terminals 4 (BCR+) and 3 (BCR-) of connector C.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*4

Service Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector C.

NG

REPLACE FLOOR WIRE

OK

8.

CHECK FLOOR WIRE (SHORT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

9.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M56-1 (BCR+) - Body ground

Ignition switch ON

Below 1 V

M56-2 (BCR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

REPLACE FLOOR WIRE

OK

10.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - Body ground

Always

1 MΩ or higher

M56-2 (BCR-) - Body ground

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

11.

CHECK WIRE HARNESS (OPEN)

(a) Connect the connectors that link the floor wire and front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Using a service wire, connect terminals 1 (BDR+) and 2 (BDR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

Below 1 Ω

NG

GO TO STEP 21

OK

12.

CHECK WIRE HARNESS (SHORT)

(a) Disconnect the service wire from connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

1 MΩ or higher

NG

GO TO STEP 20

OK

13.

CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

I5-2 (BDR+) - Body ground

Ignition switch ON

Below 1 V

I5-1 (BDR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

GO TO STEP 19

OK

14.

CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - Body ground

Always

1 MΩ or higher

I5-1 (BDR-) - Body ground

Always

1 MΩ or higher

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

NG

GO TO STEP 18

OK

15.

CHECK NO. 1 SIDE AIRBAG SENSOR RH

(a) Connect the connectors to the No. 2 side airbag sensor RH, door side airbag sensor RH and airbag sensor assembly.

*1

No. 1 Side Airbag Sensor LH

*2

Airbag Sensor Assembly

(b) Interchange the No. 1 side airbag sensor RH with LH and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(e) Turn the ignition switch off.

(f) Turn the ignition switch ON, and wait for at least 60 seconds.

(g) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1642/81, B1643/81, B1647/82 and B1648/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1642/81 or B1643/81 is output.

A

DTC B1647/82 or B1648/82 is output.

B

DTCs B1642/81, B1643/81, B1647/82 and B1648/82 are not output.

C

(h) Turn the ignition switch off.

(i) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(j) Return the No. 1 side airbag sensor RH and LH to their original positions and connect the connectors.

B

REPLACE NO. 1 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

A

16.

CHECK NO. 2 SIDE AIRBAG SENSOR RH

(a) Interchange the No. 2 side airbag sensor RH with LH and connect the connectors.

*1

No. 2 Side Airbag Sensor LH

*2

No. 1 Side Airbag Sensor RH

(b) Connect the cable to the negative (-) battery terminal.

(c) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(d) Turn the ignition switch off.

(e) Turn the ignition switch ON, and wait for at least 60 seconds.

(f) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1642/81, B1643/81, B1647/82 and B1648/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1642/81 or B1643/81 is output.

A

DTC B1647/82 or B1648/82 is output.

B

DTCs B1642/81, B1643/81, B1647/82 and B1648/82 are not output.

C

(g) Turn the ignition switch off.

(h) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(i) Return the No. 2 side airbag sensor RH and LH to their original positions and connect the connectors.

B

REPLACE NO. 2 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

A

17.

CHECK DOOR SIDE AIRBAG SENSOR RH

(a) Interchange the door side airbag sensor RH with LH and connect the connectors.

*1

Door Side Airbag Sensor LH

*2

No. 2 Side Airbag Sensor RH

(b) Connect the cable to the negative (-) battery terminal.

(c) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(d) Turn the ignition switch off.

(e) Turn the ignition switch ON, and wait for at least 60 seconds.

(f) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1642/81, B1643/81, B1647/82 and B1648/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1642/81 or B1643/81 is output.

A

DTC B1647/82 or B1648/82 is output.

B

DTCs B1642/81, B1643/81, B1647/82 and B1648/82 are not output.

C

(g) Turn the ignition switch off.

(h) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(i) Return the door side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE DOOR SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

18.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Always

1 MΩ or higher

IM1-40 (BDR-) - Body ground

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

19.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Connect the cable to the negative (-) battery terminal.

(c) Turn the ignition switch ON.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Ignition switch ON

Below 1 V

IM1-40 (BDR-) - Body ground

Ignition switch ON

Below 1 V

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

20.

CHECK FLOOR WIRE (SHORT)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

21.

CHECK FLOOR WIRE (OPEN)

(a) Disconnect the floor wire connector from the front door wire RH.

HINT:

The service wire has already been inserted into connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*5

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector B.

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

22.

CHECK HISTORY DTC

(a) Check for history DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than history DTC B1622/81 may be output at this time, but they are not related to this check.

Result

Proceed to

History DTC B1622/81 is not output.

A

History DTC B1622/81 is output.

B

B

GO TO STEP 41

A

23.

CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the airbag sensor assembly, No. 1 side airbag sensor RH, No. 2 side airbag sensor RH and door side airbag sensor RH. Also check that the connectors that link the floor wire and front door wire RH are properly connected.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the airbag sensor assembly, No. 1 side airbag sensor RH, No. 2 side airbag sensor RH and door side airbag sensor RH. Also disconnect the connectors that link the floor wire and front door wire RH.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

NG

REPLACE WIRE HARNESS

OK

24.

CHECK FLOOR WIRE (OPEN)

(a) w/o Occupant Classification System

(1) Using a service wire, connect terminals 8 (BBR+) and 11 (BBR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(b) w/ Occupant Classification System

(1) Using a service wire, connect terminals 17 (BBR+) and 18 (BBR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*A

w/o Occupant Classification System

*B

w/ Occupant Classification System

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*4

Service Wire

*a

Front view of wire harness connector

(to Airbag Sensor Assembly)

*b

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(c) w/ Occupant Classification System

(1) Using a service wire, connect terminals 17 (BBR+) and 18 (BBR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - M56-3 (BBR-)

Always

Below 1 Ω

(e) Disconnect the service wire from connector B.

NG

REPLACE FLOOR WIRE

OK

25.

CHECK FLOOR WIRE (SHORT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - M56-3 (BBR-)

Always

1 MΩ or higher

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

26.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M56-4 (BBR+) - Body ground

Ignition switch ON

Below 1 V

M56-3 (BBR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

REPLACE FLOOR WIRE

OK

27.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-4 (BBR+) - Body ground

Always

1 MΩ or higher

M56-3 (BBR-) - Body ground

Always

1 MΩ or higher

*1

No. 1 Side Airbag Sensor RH

*2

Airbag Sensor Assembly

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

28.

CHECK FLOOR WIRE (OPEN)

(a) Using a service wire, connect terminals 4 (BCR+) and 3 (BCR-) of connector C.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*4

Service Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector C.

NG

REPLACE FLOOR WIRE

OK

29.

CHECK FLOOR WIRE (SHORT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

30.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M56-1 (BCR+) - Body ground

Ignition switch ON

Below 1 V

M56-2 (BCR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

REPLACE FLOOR WIRE

OK

31.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - Body ground

Always

1 MΩ or higher

M56-2 (BCR-) - Body ground

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

32.

CHECK WIRE HARNESS (OPEN)

(a) Connect the connectors that link the floor wire and front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Using a service wire, connect terminals 1 (BDR+) and 2 (BDR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

Below 1 Ω

NG

GO TO STEP 40

OK

33.

CHECK WIRE HARNESS (SHORT)

(a) Disconnect the service wire from connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

1 MΩ or higher

NG

GO TO STEP 39

OK

34.

CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

I5-2 (BDR+) - Body ground

Ignition switch ON

Below 1 V

I5-1 (BDR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

GO TO STEP 38

OK

35.

CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - Body ground

Always

1 MΩ or higher

I5-1 (BDR-) - Body ground

Always

1 MΩ or higher

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

NG

GO TO STEP 37

OK

36.

CHECK NO. 1 SIDE AIRBAG SENSOR RH

(a) Connect the connectors to the No. 2 side airbag sensor RH, door side airbag sensor RH and airbag sensor assembly.

*1

No. 1 Side Airbag Sensor LH

*2

Airbag Sensor Assembly

(b) Interchange the No. 1 side airbag sensor RH with LH and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(e) Turn the ignition switch off.

(f) Turn the ignition switch ON, and wait for at least 60 seconds.

(g) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1623/81 and B1628/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1623/81 is output.

A

DTC B1628/82 is output.

B

DTCs B1623/81 and B1628/82 are not output.

C

(h) Turn the ignition switch off.

(i) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(j) Return the No. 1 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 1 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

37.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Always

1 MΩ or higher

IM1-40 (BDR-) - Body ground

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

38.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Connect the cable to the negative (-) battery terminal.

(c) Turn the ignition switch ON.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Ignition switch ON

Below 1 V

IM1-40 (BDR-) - Body ground

Ignition switch ON

Below 1 V

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

39.

CHECK FLOOR WIRE (SHORT)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

40.

CHECK FLOOR WIRE (OPEN)

(a) Disconnect the floor wire connector from the front door wire RH.

HINT:

The service wire has already been inserted into connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*5

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector B.

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

41.

CHECK NO. 1 SIDE AIRBAG SENSOR RH

(a) Turn the ignition switch off.

*1

No. 1 Side Airbag Sensor LH

*2

Airbag Sensor Assembly

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the No. 1 side airbag sensor RH with LH and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(f) Turn the ignition switch off.

(g) Turn the ignition switch ON, and wait for at least 60 seconds.

(h) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1622/81 and B1627/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1622/81 is output.

A

DTC B1627/82 is output.

B

DTCs B1622/81 and B1627/82 are not output.

C

(i) Turn the ignition switch off.

(j) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(k) Return the No. 1 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 1 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

42.

CHECK HISTORY DTC

(a) Check for history DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than history DTC B1632/81 may be output at this time, but they are not related to this check.

Result

Proceed to

History DTC B1632/81 is not output.

A

History DTC B1632/81 is output.

B

B

GO TO STEP 50

A

43.

CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the No. 1 side airbag sensor RH and No. 2 side airbag sensor RH.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the No. 1 side airbag sensor RH and No. 2 side airbag sensor RH.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

NG

REPLACE FLOOR WIRE

OK

44.

CHECK FLOOR WIRE (OPEN)

(a) Using a service wire, connect terminals 4 (BCR+) and 3 (BCR-) of connector C.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*4

Service Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector C.

NG

REPLACE FLOOR WIRE

OK

45.

CHECK FLOOR WIRE (SHORT)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - M56-2 (BCR-)

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

46.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M56-1 (BCR+) - Body ground

Ignition switch ON

Below 1 V

M56-2 (BCR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

REPLACE FLOOR WIRE

OK

47.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

M56-1 (BCR+) - Body ground

Always

1 MΩ or higher

M56-2 (BCR-) - Body ground

Always

1 MΩ or higher

*1

No. 2 Side Airbag Sensor RH

*2

No. 1 Side Airbag Sensor RH

*3

Floor Wire

*a

Front view of wire harness connector

(to No. 1 Side Airbag Sensor RH)

NG

REPLACE FLOOR WIRE

OK

48.

CHECK NO. 1 SIDE AIRBAG SENSOR RH

(a) Connect the connector to the No. 2 side airbag sensor RH.

*1

No. 1 Side Airbag Sensor LH

*2

Airbag Sensor Assembly

(b) Interchange the No. 1 side airbag sensor RH with LH and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(e) Turn the ignition switch off.

(f) Turn the ignition switch ON, and wait for at least 60 seconds.

(g) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1633/81 and B1638/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1633/81 is output.

A

DTC B1638/82 is output.

B

DTCs B1633/81 and B1638/82 are not output.

C

(h) Turn the ignition switch off.

(i) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(j) Return the No. 1 side airbag sensor RH and LH to their original positions and connect the connectors.

B

REPLACE NO. 1 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

A

49.

CHECK NO. 2 SIDE AIRBAG SENSOR RH

(a) Interchange the No. 2 side airbag sensor RH with LH and connect the connectors.

*1

No. 2 Side Airbag Sensor LH

*2

No. 1 Side Airbag Sensor RH

(b) Connect the cable to the negative (-) battery terminal.

(c) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(d) Turn the ignition switch off.

(e) Turn the ignition switch ON, and wait for at least 60 seconds.

(f) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1633/81 and B1638/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1633/81 is output.

A

DTC B1638/82 is output.

B

DTCs B1633/81 and B1638/82 are not output.

C

(g) Turn the ignition switch off.

(h) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(i) Return the No. 2 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 2 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

50.

CHECK NO. 2 SIDE AIRBAG SENSOR RH

(a) Turn the ignition switch off.

*1

No. 2 Side Airbag Sensor LH

*2

No. 1 Side Airbag Sensor RH

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the No. 2 side airbag sensor RH with LH and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(f) Turn the ignition switch off.

(g) Turn the ignition switch ON, and wait for at least 60 seconds.

(h) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1632/81 and B1637/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1632/81 is output.

A

DTC B1637/82 is output.

B

DTCs B1632/81 and B1637/82 are not output.

C

(i) Turn the ignition switch off.

(j) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(k) Return the No. 2 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 2 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

51.

CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the No. 2 side airbag sensor RH and door side airbag sensor RH. Also check that the connectors that link the floor wire and front door wire RH are properly connected.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the No. 2 side airbag sensor RH and door side airbag sensor RH. Also disconnect the connectors that link the floor wire and front door wire RH.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

NG

REPLACE WIRE HARNESS

OK

52.

CHECK WIRE HARNESS (OPEN)

(a) Connect the connectors that link the floor wire and front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Using a service wire, connect terminals 1 (BDR+) and 2 (BDR-) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

Below 1 Ω

NG

GO TO STEP 61

OK

53.

CHECK WIRE HARNESS (SHORT)

(a) Disconnect the service wire from connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - I5-1 (BDR-)

Always

1 MΩ or higher

NG

GO TO STEP 60

OK

54.

CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

(b) Turn the ignition switch ON.

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

I5-2 (BDR+) - Body ground

Ignition switch ON

Below 1 V

I5-1 (BDR-) - Body ground

Ignition switch ON

Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NG

GO TO STEP 59

OK

55.

CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I5-2 (BDR+) - Body ground

Always

1 MΩ or higher

I5-1 (BDR-) - Body ground

Always

1 MΩ or higher

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*a

Front view of wire harness connector

(to Door Side Airbag Sensor RH)

NG

GO TO STEP 58

OK

56.

CHECK NO. 2 SIDE AIRBAG SENSOR RH

(a) Connect the connector to the door side airbag sensor RH.

*1

No. 2 Side Airbag Sensor LH

*2

No. 1 Side Airbag Sensor RH

(b) Interchange the No. 2 side airbag sensor RH with LH and connect the connectors.

(c) Connect the cable to the negative (-) battery terminal.

(d) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(e) Turn the ignition switch off.

(f) Turn the ignition switch ON, and wait for at least 60 seconds.

(g) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B166D/81, B166E/81,B167B/82 and B167C/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B166D/81 or B166E/81 is output.

A

DTC B167B/82 or B167C/82 is output.

B

DTCs B166D/81, B166E/81,B167B/82 and B167C/82 are not output.

C

(h) Turn the ignition switch off.

(i) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(j) Return the No. 2 side airbag sensor RH and LH to their original positions and connect the connectors.

B

REPLACE NO. 2 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

A

57.

CHECK DOOR SIDE AIRBAG SENSOR RH

(a) Interchange the door side airbag sensor RH with LH and connect the connectors.

*1

Door Side Airbag Sensor LH

*2

No. 2 Side Airbag Sensor RH

(b) Connect the cable to the negative (-) battery terminal.

(c) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(d) Turn the ignition switch off.

(e) Turn the ignition switch ON, and wait for at least 60 seconds.

(f) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B166D/81, B166E/81,B167B/82 and B167C/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B166D/81 or B166E/81 is output.

A

DTC B167B/82 or B167C/82 is output.

B

DTCs B166D/81, B166E/81,B167B/82 and B167C/82 are not output.

C

(g) Turn the ignition switch off.

(h) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(i) Return the door side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE DOOR SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

58.

CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Always

1 MΩ or higher

IM1-40 (BDR-) - Body ground

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

59.

CHECK FLOOR WIRE (SHORT TO B+)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Connect the cable to the negative (-) battery terminal.

(c) Turn the ignition switch ON.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

IM1-22 (BDR+) - Body ground

Ignition switch ON

Below 1 V

IM1-40 (BDR-) - Body ground

Ignition switch ON

Below 1 V

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

60.

CHECK FLOOR WIRE (SHORT)

(a) Disconnect the floor wire connector from the front door wire RH.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*a

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

1 MΩ or higher

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

61.

CHECK FLOOR WIRE (OPEN)

(a) Disconnect the floor wire connector from the front door wire RH.

HINT:

The service wire has already been inserted into connector B.

*1

Door Side Airbag Sensor RH

*2

No. 2 Side Airbag Sensor RH

*3

Front Door Wire RH

*4

Floor Wire

*5

Service Wire

*a

Front view of wire harness connector

(to No. 2 Side Airbag Sensor RH)

*b

Front view of wire harness connector

(to Front Door Wire RH)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

IM1-22 (BDR+) - IM1-40 (BDR-)

Always

Below 1 Ω

(c) Disconnect the service wire from connector B.

OK

REPLACE FRONT DOOR WIRE RH

NG

REPLACE FLOOR WIRE

62.

CHECK NO. 1 SIDE AIRBAG SENSOR RH

(a) Turn the ignition switch off.

*1

No. 1 Side Airbag Sensor LH

*2

Airbag Sensor Assembly

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the No. 1 side airbag sensor RH with LH and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(f) Turn the ignition switch off.

(g) Turn the ignition switch ON, and wait for at least 60 seconds.

(h) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1622/81 and B1627/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1622/81 is output.

A

DTC B1627/82 is output.

B

DTCs B1622/81 and B1627/82 are not output.

C

(i) Turn the ignition switch off.

(j) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(k) Return the No. 1 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 1 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

63.

CHECK NO. 2 SIDE AIRBAG SENSOR RH

(a) Turn the ignition switch off.

*1

No. 2 Side Airbag Sensor LH

*2

No. 1 Side Airbag Sensor RH

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Interchange the No. 2 side airbag sensor RH with LH and connect the connectors.

(d) Connect the cable to the negative (-) battery terminal.

(e) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(f) Turn the ignition switch off.

(g) Turn the ignition switch ON, and wait for at least 60 seconds.

(h) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

HINT:

Codes other than DTCs B1632/81 and B1637/82 may be output at this time, but they are not related to this check.

Result

Proceed to

DTC B1632/81 is output.

A

DTC B1637/82 is output.

B

DTCs B1632/81 and B1637/82 are not output.

C

(i) Turn the ignition switch off.

(j) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(k) Return the No. 2 side airbag sensor RH and LH to their original positions and connect the connectors.

A

REPLACE AIRBAG SENSOR ASSEMBLY

B

REPLACE NO. 2 SIDE AIRBAG SENSOR RH

C

USE SIMULATION METHOD TO CHECK

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