ELECTRONIC 4WD CONTROL SYSTEM ON-BOARD DIAGNOSIS [L3]


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Reading DTCs Procedure

1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector.

2. Retrieve DTC by WDS or equivalent.

• If a DTC is displayed, proceed with inspection steps for that DTC.

3. After repair, clear DTCs stored in the 4WD CM by referring to the Clearing DTCs Procedure.

Clearing DTCs Procedures

1. Connect WDS or equivalent to the vehicle DLC-2 16-pin connector.

2. Clear DTCs by WDS or equivalent.

3. Turn the ignition key to OFF.

4. Perform the DTC inspection again, and verify that no DTC appears.

5. Disconnect the WDS or equivalent.

DTC Table

DTC

Diagnosis system component

Page

WDS or equivalent

P1887
System wiring
P1888
Differential oil temperature sensor
U0100
PCM communication
U0101
TCM communication
U0121
ABS/DSC communication