C1920
C1920 STEERING ANGLE SENSOR
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. RECHECK DTC
With CONSULT
1.Turn the ignition switch from OFF to ON.
2.Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is DTC "C1920" 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 error system detected?
YES- Check the error system. Testing and Inspection.
NO- GO TO 2.
2. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT
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), {LINK_TO_MANY:0000000006885905}{LINK_TO_MANY:0000000006885906}{LINK_TO_MANY:0000000006885907}{LINK_TO_MANY:0000000006885908}, "Diagnosis
Procedure" (U1010).
NO- GO TO 3.
3. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)
With CONSULT
Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is DTC "C1920" detected?
YES-Replace 4WAS main control unit. 4WAS Main Control Unit.
- Before replacing 4WAS main control unit, record the self-diagnosis results (history). Refer to
.
NO- GO TO 4.
4. INFORMATION CHECK
With CONSULT
Check the "DATA MONITOR" value of each DTC detected with the self-diagnosis function. 4WAS Main Control Unit.
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). Refer to
.
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".