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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis >> DTC Test Procedures >> DTC P1703: Transmission Control Module (ROM) >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK DTC 
    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
      G00344124Courtesy 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 the transmission assembly. Refer to REMOVAL AND INSTALLATION (2WD MODELS) or REMOVAL AND INSTALLATION (AWD MODELS) .
    2. NO: INSPECTION END