C1138

C1138 4WAS SYSTEM

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. CHECK DTC DETECTION

With CONSULT
1.Turn the ignition switch OFF to ON.
2.Perform self-diagnosis for "ABS".
Is DTC "C1138" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK 4WAS SYSTEM

With CONSULT
Perform self-diagnosis for "4WAS (MAIN)/RAS/HICAS".
Is any DTC detected?
YES- Check the DTC.
NO- GO TO 2.

2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

With CONSULT
1.Erase Self-diagnosis result for "ABS".
2.Turn the ignition switch OFF.
3.Start the engine and drive the vehicle for a short period of time.
4.Check that 4WAS warning lamp turns OFF.
5.After the vehicle stops, perform self-diagnosis for "ABS".
Is DTC "C1138" detected?
YES- Replace ABS actuator and electric unit (control unit). Removal And Installation.
NO- Check pin terminals and connection of each harness connector for abnormal conditions. Repair or replace error-detected parts.