FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

C1203


C1203 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)





DTC Logic

DTC DETECTION LOGIC






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 self-diagnosis for "ALL MODE AWD/4WD".
Is DTC "C1203" detected?
YES - Proceed to diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for "ABS".
Is any DTC detected?
YES - Check the DTC.
NO - GO TO 2.
2.ERASE SELF-DIAGNOSTIC RESULT
With CONSULT-III
1. Erase self-diagnostic 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. Check that ABS warning lamp turns OFF.
4. Perform self-diagnosis for "ALL MODE AWD/4WD".
Does ABS warning lamp turn OFF?
YES - GO TO 3.
NO - Perform trouble diagnosis for ABS warning lamp system. ABS Warning Lamp.
3.CHECK TERMINALS AND HARNESS CONNECTORS
Check AWD control unit pin terminals for damage or loose connection with harness connector.
Is inspection result normal?
YES - After turning the ignition switch OFF, perform DTC confirmation procedure again. When DTC
"C1203" is detected, Replace AWD control unit. Service and Repair.
NO - Repair or replace error-detected parts.