Toyota CH-R Service Manual: Transmitter ID not Registered (C2171/71)

Toyota CH-R Service Manual / Tire Pressure Monitoring / Tire Pressure Warning System / Transmitter ID not Registered (C2171/71)

DESCRIPTION

The IDs of each tire pressure warning valve and transmitter are registered to the tire pressure warning ECU and receiver.

When the ECU detects that a transmitter ID code is not registered in the ECU, this DTC is stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

C2171/71

Transmitter ID not Registered

Transmitter ID code is not registered. (When an ID code is unregistered for 3 minutes or more)

Tire pressure warning ECU and receiver

-

CAUTION / NOTICE / HINT

NOTICE:

  • When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the Techstream and write them down before removal.

    Click here

  • It is necessary to perform initialization after registration of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU and/or one of the valve and transmitters has been replaced.

PROCEDURE

1.

CONFIRM REGISTRATION CONDITION (REGISTERED ID CODES)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

(f) Check the values by referring to the table below.

Chassis > Tire Pressure Monitor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Registered ID 1 Code

Registered ID1 code

min.: 0

max.: FFFFFFF*1

ID No. registered for transmitter ID1 displayed

-

Registered ID 2 Code

Registered ID2 code

min.: 0

max.: FFFFFFF*1

ID No. registered for transmitter ID2 displayed

-

Registered ID 3 Code

Registered ID3 code

min.: 0

max.: FFFFFFF*1

ID No. registered for transmitter ID3 displayed

-

Registered ID 4 Code

Registered ID4 code

min.: 0

max.: FFFFFFF*1

ID No. registered for transmitter ID4 displayed

-

Registered ID 5 Code

Registered ID5 code

min.: 0

max.: FFFFFFF*1

ID No. registered for transmitter ID5 displayed

*2

HINT:

  • *1: Displayed only when the ID No. is not registered.
  • *2: w/ Full Size Spare Tire
  • The wheel position cannot be determined from ID1 through ID4 (ID5: w/ Full Size Spare Tire) on the Data List.
Chassis > Tire Pressure Monitor > Data List

Tester Display

Registered ID 1 Code

Registered ID 2 Code

Registered ID 3 Code

Registered ID 4 Code

Registered ID 5 Code

OK:

The registered transmitter ID codes are displayed on the Techstream.

OK

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

NG

2.

PERFORM REGISTRATION (TRANSMITTER ID)

(a) Perform registration.

Click here

NEXT

3.

PERFORM INITIALIZATION

(a) Set the tire pressure to the specified value.

Click here

(b) Perform initialization.

Click here

NEXT

4.

CONFIRM TIRE INFLATION PRESSURE (DATA LIST)

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / Tire Pressure Monitor / Data List.

(f) Check the values by referring to the table below.

Chassis > Tire Pressure Monitor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

ID 1 Tire Inflation Pressure

ID1 tire inflation pressure

min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2, 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2, 0 psi)

max.: Absolute pressure (abs) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

Actual tire inflation pressure

If N/A is displayed, data has not been received.*1

ID 2 Tire Inflation Pressure

ID2 tire inflation pressure

min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2, 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2, 0 psi)

max.: Absolute pressure (abs) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

Actual tire inflation pressure

If N/A is displayed, data has not been received.*1

ID 3 Tire Inflation Pressure

ID3 tire inflation pressure

min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2, 0 psi), Relative pressure (Gauge)/ 0 kPa (0 kgf/cm2, 0 psi)

max.: Absolute pressure (abs) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

Actual tire inflation pressure

If N/A is displayed, data has not been received.*1

ID 4 Tire Inflation Pressure

ID4 tire inflation pressure

min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2, 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2, 0 psi)

max.: Absolute pressure (abs) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

Actual tire inflation pressure

If N/A is displayed, data has not been received.*1

ID 5 Tire Inflation Pressure

ID5 tire inflation pressure

min.: Absolute pressure (abs) / 0 kPa (0 kgf/cm2, 0 psi), Relative pressure (Gauge) / 0 kPa (0 kgf/cm2, 0 psi)

max.: Absolute pressure (abs) / 480 kPa (4.9 kgf/cm2, 70 psi), Relative pressure (Gauge) / 380 kPa (3.9 kgf/cm2, 55 psi)

Actual tire inflation pressure
  • If N/A is displayed, data has not been received.*1
  • *2

HINT:

  • *1: It may take a few minutes until the values are displayed.
  • The wheel position cannot be determined from ID1 through ID4 (ID5: w/ Full Size Spare Tire) on the Data List.
  • When an "ID Tire Inflation Pressure" value has not changed, reset the tire pressure to the appropriate specified value and rotate the tire 90 to 270 degrees. Then rapidly release the tire pressure and recheck the value.
  • *2: w/ Full Size Spare Tire
Chassis > Tire Pressure Monitor > Data List

Tester Display

ID 1 Tire Inflation Pressure

ID 2 Tire Inflation Pressure

ID 3 Tire Inflation Pressure

ID 4 Tire Inflation Pressure

ID 5 Tire Inflation Pressure

Result

Proceed to

All tire pressure readings are equal to specified values.

A

Tire pressure values are not displayed.

B
A

END
B

REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER

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