DTC P188A:00 [ELECTRONIC 4WD CONTROL SYSTEM]


id0302a6200700

DTC P188A:00
4WD control module
DETECTION CONDITION
•  4WD control module detects the differential oil temperature is high.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [ELECTRONIC 4WD CONTROL SYSTEM].)
POSSIBLE CAUSE
•  If high differential oil temperature detected, protect the system
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
ALLOW VEHICLE TO COOL DOWN
•  Switch the ignition OFF and allow the vehicle to cool down.
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the 4WD control module.
•  Using the M-MDS, perform the 4WD control module DTC inspection.
•  Is the same DTC present?
Yes
Replace the 4WD control module, then go to the next step.
No
Go to the next step.
3
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.