C1203

C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Description

Transmits the following signals via CAN communication to AWD control unit.
- Vehicle speed signal
- Stop lamp switch signal (brake signal)


DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
2.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "C1203" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT
Perform self-diagnosis for "ABS".
Is any DTC detected?
YES- Check the DTC.
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
1.Erase results for "ALL MODE AWD/4WD".
2.Start the engine and drive vehicle at 30 km/h (19 MPH) or more for approximately 1 minute.
3.Make sure that ABS warning lamp turns OFF.
4.Perform self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "C1203" detected?
YES- Replace AWD control unit. Exploded View.
NO- Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.