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Home >> Infiniti >> 2005 >> QX56 AWD >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> 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". (Do not start engine.)
    2. Select "SELF-DIAG RESULTS" mode for "A/T" with CONSULT-II.
      Fig 1: Display SELECT DIAG Mode Screen
      G02382399Courtesy 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 control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
    2. NO: INSPECTION END