Engine Control Signal

Engine Control Signal

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

1.CHECK DTC WITH ECM
Perform self-diagnosis with ECM. Refer to EC-55, "Emission-Related Diagnostic Information" (VQ35DE models), EC-669, "Emission-Related Diagnostic Information" (VK45DE 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. Refer to TF-21, "AWD Control Unit Input/Output Signal Reference Value". AWD Control Unit Input/Output Signal Reference Value
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" (VQ35DE models), EC-669, "Emission-Related Diagnostic Information" (VK45DE models).
Emission-Related Diagnostic Information Items