4WD Warning Lamp Flashes Slowly

4WD Warning Lamp Flashes Slowly

Description

The 4WD warning lamp flashes slowly while driving (1 time / 2 seconds). The lamp continues to flash until the ignition switch is turned OFF.

Diagnosis Procedure

1. CHECK TIRES

Check the following. Refer to [Service Data and Specifications] [1][2]Specifications.
- Tire size
- Tire wear
- Tire pressure

Are the inspection results normal?
YES
GO TO 2.
NO
Repair or replace damaged parts.

2. SYMPTOM CHECK

Check again.

Does the symptom still occur?
YES
GO TO 3.
NO
Inspection End.

3. CHECK TRANSFER CONTROL UNIT

Check transfer control unit input/output signal. Refer to [Transfer Control Unit: Reference Value] Pinout Values and Diagnostic Parameters.

Are the inspection results normal?
YES
Inspection End.
NO
Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.