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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.





4WD WARNING LAMP FLASHES SLOWLY


Diagnosis Procedure

1.CHECK TIRE
Check the following.
- Tire pressure
- Wear condition
- Longitudinal tire size (There is no difference between longitudinal tires.)
OK or NG
OK - GO TO 2.
NG - Repair or replace damaged parts.
2.CHECK TRANSFER FLUID TEMPERATURE
Perform trouble diagnosis for transfer fluid temperature system. P1826.
Are the inspection results normal?
YES - GO TO 3.
NO - Repair or replace damaged parts.
3.CHECK CLUTCH PRESSURE SWITCH
Perform trouble diagnosis for clutch pressure switch system. P1827.
Are the inspection results normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.SYMPTOM CHECK
Check again.
Are the inspection results normal?
YES - Inspection End.
NO - GO TO 5.
5.CHECK TRANSFER CONTROL UNIT
Check transfer control unit input/output signal. 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.