C1138

C1138 4WAS SYSTEM





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.CHECK DTC DETECTION
With CONSULT-III.
1. Turn the ignition switch OFF to ON.
2. Perform self-diagnosis for "ABS".
Is DTC "C1138" detected?
YES - Proceed to diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK 4WAS SYSTEM
With CONSULT-III.
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-III.
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.