DESCRIPTION
The occupant detection ECU receives signals from the acceleration sensor (airbag sensor assembly) and skid control ECU via CAN communication.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B1798 |
Yaw Rate Sensor Module Malfunction |
Acceleration signals are abnormal |
|
B1799 |
Vehicle Stability Control ECU Malfunction |
Vehicle speed signal from skid control ECU is abnormal |
|
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
HINT:
PROCEDURE
1. |
CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM) |
(a) Check for vehicle stability control system DTCs.
Click here
OK:
DTCs are not output.
NG |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Using the Techstream, check if the CAN communication system is functioning normally.
OK:
CAN communication system is functioning normally.
HINT:
Refer to CAN Bus Check in CAN Communication System.
Click here
NG |
GO TO CAN COMMUNICATION SYSTEM |
|
3. |
CHECK DTC (HEALTH CHECK) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and turn the Techstream on.
(d) Enter the following menus: System Select / Health Check.
OK:
DTCs are not output.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
GO TO OTHER DIAGNOSTIC TROUBLE CODE CHART |
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ILLUSTRATION
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*2
HOLE COVER
*3
GASKET
-
-
ILLUSTRATION
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FRONT DOOR UPPER OUTSIDE MOULDING PAD
*2
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ILLUSTRATION
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*B
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*1
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*2
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