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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2239 (Transfer Case (ATX14B)) >> Symptom Diagnosis >> 4WD System Does Not Operate >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SYSTEM FOR 4WD SHIFT SWITCH

    Perform trouble diagnosis for 4WD shift switch system. Refer to "DIAGNOSIS PROCEDURE ".

    Are the inspection results normal? 

    YES: GO TO 2.

    NO: Repair or replace damaged parts.

  2. CHECK SYSTEM FOR CLUTCH PRESSURE SWITCH

    Perform trouble diagnosis for clutch pressure switch system. Refer to "DIAGNOSIS PROCEDURE ".

    Are the inspection results normal? 

    YES: GO TO 3.

    NO: Repair or replace damaged parts.

  3. SYMPTOM CHECK

    Check again.

    Are the inspection results normal? 

    YES: Inspection End.

    NO: GO TO 4.

  4. CHECK TRANSFER CONTROL UNIT

    Check transfer control unit input/output signal. Refer to "REFERENCE VALUE ".

    Are the inspection results normal? 

    YES: GO TO 5.

    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.

  5. CHECK TRANSFER INNER PARTS
    1. Disassemble transfer assembly. Refer to "DISASSEMBLY AND ASSEMBLY ".
    2. Check transfer inner parts.

      Are the inspection results normal? 

      YES: Inspection End.

      NO: Repair or replace damaged parts.

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