Engine Control Signal

Engine Control Signal

DIAGNOSTIC PROCEDURE
^ Check the following if ECM SIGNAL 1 [C1210] is displayed in self-diagnostic results of CONSULT-II.

1. CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to EC-55, Emission-Related Diagnostic Information (VQ engine models). Emission-Related Diagnostic Information Items
Or refer to EC-715, Emission-related Diagnostic Information (VK engine models). Emission-Related Diagnostic Information Items
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system.
NO >> GO TO 2.
2. CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal.
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.
3. 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 EC-55, Emission-Related Diagnostic Information (VQ engine models). Emission-Related Diagnostic Information Items
Refer to EC-715, Emission-related Diagnostic Information (VK engine models). Emission-Related Diagnostic Information Items