2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

RGB Screen Is Not Shown

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK HARNESS
    1. Turn ignition switch OFF.
    2. Disconnect display control unit connector and display unit connector.
    3. Check continuity between display control unit harness connector M95 terminal 51 (B) and display unit harness connector M93 terminal 9 (B).

      Continuity should exist. 

    4. Check continuity between display control unit harness connector M95 terminal 55 (R) and display unit harness connector M93 terminal 8 (R).
      1. Continuity should exist. 
    5. Check continuity between display control unit harness connector M95 terminal 51 (B), 55 (R) and ground.
      1. Continuity should not exist. 
      Fig 1: Checking Signal Between Display Control Unit Connector M95 Terminals 55 (R) And 49
      G03501261Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG

      1. OK: GO TO 2.
      2. NG: Repair harness.
  2. CHECK HORIZONTAL SYNCHRONIZATION SIGNAL 
    1. Connect display control unit connector and display unit connector.
    2. Turn ignition switch ON.
    3. Check signal between display control unit connector M95 terminals 55 (R) and 49 with CONSULT-II or oscilloscope.
    1. 55 (R) - 49: Refer to TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT .

    OK or NG

    1. OK: GO TO 3.
    2. NG: Replace display unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .
  3. CHECK RGB AREA SIGNAL 
    1. Press the "TRIP" button.
    2. Check signal between display control unit connector M95 terminals 51 (B) and 49 with CONSULT-II or oscilloscope.
    1. 51 (B) - 49: Refer to TERMINALS AND REFERENCE VALUE FOR DISPLAY CONTROL UNIT .

    OK or NG 

    1. OK: Replace display unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .
    2. NG: Replace display control unit. Refer to REMOVAL AND INSTALLATION OF DISPLAY CONTROL UNIT .
      Fig 2: Checking Signal Between Display Control Unit Connector M95 Terminals 51 (B) And 49
      G03501262Courtesy of NISSAN MOTOR CO., U.S.A.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.