Operation CHARM: Car repair manuals for everyone.

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

C1203:





DTC CONFIRMATION PROCEDURE

1. DTC REPRODUCTION PROCEDURE

With CONSULT-III
1. Start the engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
2. Perform AWD control unit self-diagnosis.
Is DTC "C1203" detected?
YES >> Proceed to diagnosis procedure. Refer to "Diagnosis Procedure".
NO >> INSPECTION END

Diagnosis Procedure

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

With CONSULT-III
Perform ABS actuator and electric unit (control unit) self-diagnosis.
Is any DTC detected?
YES >> Check the DTC.
NO >> GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT-III
1. Erase AWD control unit self-diagnostic results.
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 AWD control unit self-diagnosis.
Is DTC "C1203" detected?
YES >> Replace AWD control unit.
NO >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.