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Home >> Infiniti >> 2002 >> Q45 >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Diagnosis) >> DTC P1703: Transmission Control Module (ROM) >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti Q45. 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 to "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 to "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 
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