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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> DTC P1815: Manual Mode Switch >> A/T Position Indicator >> Diagnostic Procedure

Diagnostic Procedure

  1. Check input signals: 

    With CONSULT-II:

    1. Start engine.
    2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for A/T with CONSULT-II and read out the value of "GEAR".
      Fig 1: Viewing ECU Input Signals In DATA MONITOR Mode
      G00749581Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Drive vehicle in the manual mode, and confirm that the actual gear position and the meter's indication of the position mutually coincide when the select lever is shifted to the "+ (up)" or "- (down)" side (1st --> 5th gear).

    OK or NG 

    1. OK : Inspection end. 
    2. NG : Check the following items.
Fig 2: A/T Position Indicator Symptom Chart
G00749582Courtesy of NISSAN MOTOR CO., U.S.A.