C1906

C1900, C1901, C1906, C1907, C1927, C1933 4WAS MAIN CONTROL UNIT

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 "C1900", "C1901", "C1906", "C1907", "C1927" or "C1933" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM SELF-DIAGNOSIS (4WAS MAIN CONTROL UNIT)

With CONSULT
Perform self-diagnosis for "4WAS(MAIN)/RAS/HICAS".
Is any DTC "C1900", "C1901", "C1906", "C1907", "C1927" or "C1933" 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 2.

2. CHECK INFORMATION

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 each harness connector pin terminal for 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".