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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle Diagnosis >> DTC P1703: Transmission Control Module (ROM) >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK DTC 

    With CONSULT-II 

    1. Turn ignition switch "ON" position. (Do not start engine.)
    2. Select "SELF DIAG RESULTS" mode for "A/T" with CONSULT-II.
    3. Touch "ERASE".
    4. Turn ignition switch "OFF" position and wait at least 10 seconds.
    5. Perform DTC confirmation procedure, "DTC CONFIRMATION PROCEDURE ".

    Is the "TCM.ROM" displayed again? 

    1. Yes : Replace TCM.
    2. No : INSPECTION END
    Fig 1: Consult II Select Diag Mode Data Monitor
    G02051833Courtesy of NISSAN MOTOR CO., U.S.A.