C1101

C1101, C1102, C1103, C1104 WHEEL SENSOR





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.CHECK DTC DETECTION
With CONSULT-III.
1. Start engine and drive vehicle at approx. 30 km/h (19 MPH) or more for approx. 1 minute.
2. Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES - Proceed to diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure

CAUTION:
Never check between wheel sensor harness connector terminals.
1.CHECK WHEEL SENSOR HARNESS
1. Turn the ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) harness connector.
3. Disconnect wheel sensor harness connector.
4. Check continuity between ABS actuator and electric unit (control unit) harness connector and wheel sensor harness connector. (Check continuity when steering wheel is steered to RH and LH, or center harness in wheel housing is moved.)





Is the inspection result normal?
YES - GO TO 2.
NO - Repair or replace error-detected parts.
2.CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY SYSTEM
Check ABS actuator and electric unit (control unit) power supply system. Power Supply And Ground Circuit.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace error-detected parts.
3.CHECK TERMINAL
- Check ABS actuator and electric unit (control unit) pin terminals for damage or loose connection with harness connector.
- Check each wheel sensor pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace error-detected parts.
4.REPLACE WHEEL SENSOR
With CONSULT-III.
1. Connect ABS actuator and electric unit (control unit) harness connector.
2. Replace wheel sensor. Removal And Installation (front), Removal And Installation (rear).
3. Erase Self-diagnosis result for "ABS".
4. Start the engine. Drive the vehicle at vehicle speed of approx. 30 km/h for approx. 1 minute.
5. Perform self-diagnosis for "ABS".
Is DTC "C1101", "C1102", "C1103" or "C1104" detected?
YES - Replace ABS actuator and electric unit (control unit). Removal And Installation.
NO - INSPECTION END