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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Transfer Case) >> TX15B >> Trouble Diagnosis For Symptoms >> 4WD Warning Lamp Flashes Slowly >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TIRES 

    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. SYMPTOM CHECK 

    Check again.

    OK or NG 

    OK: Inspection End.

    NG: GO TO 3.

  3. CHECK TRANSFER CONTROL UNIT 

    Check transfer control unit input/output signal. Refer to "TRANSFER CONTROL UNIT INPUT/OUTPUT SIGNAL REFERENCE VALUES ".

    OK or NG 

    OK: Inspection End.

    NG: Check transfer control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace damaged parts.