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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 603 (Automatic Transmission - Coupe) >> DTC P1703: Transmission Control Module (ROM) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
  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.
    3. Touch "ERASE".
    4. Turn ignition switch "OFF" and wait at least 10 seconds.
    5. Perform "DTC confirmation procedure". Refer to DTC CONFIRMATION PROCEDURE .

    Is the "TCM.ROM" displayed again? 

    1. YES: Replace control valve with TCM. Refer to CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 .
    2. NO: INSPECTION END 
    Fig 1: CONSULT-II Select Diag Mode
    G02334702Courtesy of NISSAN MOTOR CO., U.S.A.