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

C1203:

DTC CONFIRMATION PROCEDURE

1. DTC REPRODUCTION PROCEDURE

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

Diagnosis Procedure

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

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

2. AWD CONTROL UNIT SELF-DIAGNOSIS

With CONSULT-III
1. Erase AWD control unit self-diagnosis results.
2. Start engine and drive vehicle at 30 km/h (19 MPH) for at least 1 minute.
3. Make sure that ABS warning lamp turns OFF.
4. Perform self-diagnosis of AWD control unit.
Is DTC "C1203" detected?
YES >> Replace AWD control.
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.