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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> DTC P1703: Transmission Control Module (ROM) >> Diagnostic Procedure

Diagnostic Procedure

  1. Check DTC 

    With CONSULT-II:

    1. Turn ignition switch ON. (Do not start engine.)
    2. Select "SELF DIAG RESULTS" mode for "A/T" with CONSULT-II.
      Fig 1: Selecting "SELF DIAG RESULTS" Mode
      G00750287Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Touch "ERASE".
    4. Turn ignition switch OFF 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.