Diagnostic Procedure
- Check the following if "ECM SIGNAL 1 [C1210]" is displayed in self-diagnosis results of CONSULT-III.
- CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to "EMISSION-RELATED DIAGNOSTIC INFORMATION ".
Is any malfunction detected by self-diagnosis?
Yes: Check the malfunctioning system.
NO: GO TO 2.
- CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to "AWD CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES ".
OK or NG
OK: GO TO 3.
NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.
- CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.
OK or NG
OK: INSPECTION END
NG: Perform self-diagnosis with ECM again. Refer to "EMISSION-RELATED DIAGNOSTIC INFORMATION ".