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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Transfer Case) >> ATX14B >> Trouble Diagnosis For System >> PNP Switch Signal (TCM) >> 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 DTC WITH TCM 

    Perform self-diagnosis with TCM. Refer to "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II) ".

    Is any malfunction detected by self-diagnosis? 

    YES: Check the malfunctioning system.

    NO: GO TO 2.

  2. 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: GO TO 3.

    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.

  3. CHECK DTC 

    Perform the self-diagnosis, after driving a vehicle for a while.

    OK or NG 

    OK: Inspection End.

    NG: Perform self-diagnosis with TCM again. Refer to "SELF-DIAGNOSTIC PROCEDURE (WITH CONSULT-II) ".

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