C1924

C1924 STEERING ANGLE SENSOR





DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.RECHECK DTC
With CONSULT-III
1. Drive continuously for 10 km (6 mile) or more.
2. Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is DTC "C1924" detected?
YES - Proceed to diagnosis procedure. SEE Diagnosis Procedure.
NO - INSPECTION END




Diagnosis Procedure
1.CHECK DRIVING
Drive for a short time.
Does the vehicle drive with front wheels in the straight-ahead position?
YES - GO TO 2.
NO - Adjust the wheel alignment. Front Suspension.
2.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS
With CONSULT-III
Perform self-diagnosis for "ABS".
Is any error system detected?
YES - Check the error system. Testing and Inspection.
NO - GO TO 3.
3.PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT-III
Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is DTC "U1000" or "U1010" detected?
YES - Check the error system. Steering Control System With 4WAS (U1000), Steering Control System With 4WAS Steering Control System With 4WAS Steering Control System With 4WAS Steering Control System With 4WAS, "Diagnosis
Procedure" (U1010).
NO - GO TO 4.
4.PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT-III
Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is DTC "C1924" detected?
YES - Replace 4WAS main control unit. 4WAS Main Control Unit.
- Before replacing 4WAS main control unit, record the self-diagnosis results(history). STC-
160, "Special Repair Requirement".
NO - GO TO 5.
5.INFORMATION CHECK
With CONSULT-III
Check the "DATA MONITOR" value of each DTC detected with the self-diagnosis function. 4WAS Main Control Unit, "Reference Value".
Is each data the standard value?
YES - Check that there is no malfunction in each harness connector pin terminal or disconnection.
NO - Replace 4WAS main control unit. 4WAS Main Control Unit.
- Before replacing 4WAS main control unit, record the self-diagnosis results(history). SEE Special Repair Requirement.




Special Repair Requirement
Before replacing 4WAS main control unit, record the self-diagnosis results (history).

CAUTION:
- Never erase the memory (history) of self-diagnosis results when replacing 4WAS main control unit after diagnosis.
- Erase the memory of the self-diagnosis results (record) after printing out or recording all the values of "DATA MONITOR".