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

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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 | 4WD solenoid circuit | (See DTC P1887 [L3 Turbo])
P1888 | Differential oil temperature sensor circuit | (See DTC P1888 [L3 Turbo])
U0073 | CAN system communication error | (See MULTIPLEX COMMUNICATION SYSTEM)
U0100 | Communication error to PCM | (See MULTIPLEX COMMUNICATION SYSTEM)
U0121 | Communication error to DSC HU/CM | (See MULTIPLEX COMMUNICATION SYSTEM)