Vehicle Does Not Enter AWD Mode

VEHICLE DOES NOT ENTER AWD MODE





Description
Vehicle does not enter 4-wheel drive mode even though AWD warning lamp turned to OFF.




Diagnosis Procedure
1.CHECK AWD WARNING LAMP
Turn the ignition switch ON.

CAUTION:
Never start the engine.
Does AWD warning lamp turn ON?
YES - GO TO 2.
NO - Proceed to AWD Warning Lamp.
2.CHECK PARKING BRAKE SWITCH SIGNAL
With CONSULT-III
Check "PKB SW" in "DATA MONITOR" for "ALL MODE AWD/4WD".





Is the inspection result normal?
YES - GO TO 3.
NO - Proceed to Power Supply And Ground Circuit.
3.CRUISE TEST
Drive the vehicle for a period of time.
Does any symptom occur?
YES - Replace electric controlled coupling for mechanical malfunction (mechanical engagement of clutch is not possible). Removal And Installation.
NO - Check each harness connector pin terminal for disconnection.