DTC P1886:00 [ELECTRONIC 4WD CONTROL SYSTEM]


id0302a6200400

DTC P1886:00
4WD control module
DETECTION CONDITION
•  4WD control module detects vehicle type information data error
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe function table”. (See DTC TABLE [ELECTRONIC 4WD CONTROL SYSTEM].)
POSSIBLE CAUSE
•  PCM malfunction
•  Wrong 4WD control module is installed
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY PCM DTC
•  Using the M-MDS, perform the PCM DTC inspection.
•  Are any DTCs present?
Yes
Go to applicable DTC inspection.
DTC troubleshooting completed, then go to the next step.
No
Go to the next step.
2
INSPECT THE 4WD CONTROL MODULE
•  Is correct 4WD control module installed?
Yes
Go to the next step.
No
Replace the 4WD control module, then go to the next step.
3
COUPLING COMPONENT CALIBRATION DATA WRITING
•  Write the coupling component calibration data.
Go to the next step.
4
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
Repeat the inspection from Step1.
If the malfunction recurs, replace the 4WD control module.
No
Go to the next step.
5
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.