Diagnostic Procedure

Check the following if "ENGINE SIGNAL 1 [C1210]" is displayed in self-diagnosis results of CONSULT-II.

CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to EMISSION-RELATED DIAGNOSTIC INFORMATION .

Is any malfunction detected by self-diagnosis?
1. YES: Check the malfunctioning system.
2. 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
1. OK: GO TO 3.
2. NG: Check AWD control unit pin terminals for damage or loose connection with harness connector. If any item is damaged, repair or replace damaged parts.
CHECK DTC
Perform the self-diagnosis, after driving a vehicle for a while.

OK or NG
1. OK: INSPECTION END
2. NG: Perform self-diagnosis with ECM again. Refer to EMISSION-RELATED DIAGNOSTIC INFORMATION .