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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> DTC P1730: A/T Interlock >> Diagnostic Procedure

Diagnostic Procedure

  1. SELF-DIAGNOSIS 

    With CONSULT-II 

    1. Start engine.
    2. Select "SELF-DIAG RESULTS" mode for "A/T" with CONSULT-II.
    3. Drive vehicle.
      Fig 1: Self-Diagnosis With CONSULT-II (DTC P1730)
      G02040580Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Drive vehicle.
    2. Stop vehicle and turn ignition switch OFF.
    3. Turn ignition switch "ON". (Do not start engine.)
    4. Perform self-diagnosis. Refer to "TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS) ".

    OK or NG 

    1. OK >> GO TO 2.
    2. NG >>
  2. CHECK DTC 

    Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

    OK or NG 

    1. OK >> INSPECTION END 
    2. NG >> GO TO 3.
  3. PERFORM TCM INSPECTION 
    1. Perform TCM input/output signal inspection.
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG 

    1. OK >> INSPECTION END 
    2. NG >> Repair or replace damaged parts.