2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

RGB Screen Is Not Shown

WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. HARNESS CHECK 
    1. Turn ignition switch OFF.
    2. Disconnect AV and NAVI control unit connector and Display connector.
    3. Check continuity between AV and NAVI control unit harness connector B30 terminal 12(B) and Display harness connector M82 terminal 8 (B).
      1. Continuity should exist. 
    4. Check continuity between AV and NAVI control unit harness connector B30 terminal 13 (W) and Display harness connector M82 terminal 5 (W).
      1. Continuity should exist. 
    5. Check continuity between AV and NAVI control unit harness connector B30 terminal 12 (B), 13 (W) and ground.
      1. Continuity should not exist. 
    Fig 1: Checking Continuity Between AV & NAVI Control Unit & Display
    G02024313Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK >> GO TO 2.

    NG >> Repair harness.

  2. HORIZONTAL SYNCHRONIZATION SIGNAL CHECK 
    1. Connect AV and NAVI control unit connector and Display connector.
    2. Turn ignition switch ON.
    3. Check the signal between AV and NAVI control unit harness connector B30 terminals 13 (W) and 14 with CONSULT-II or oscilloscope.
      1. 13 (W) - 14 : Refer to " TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT   "  .

    OK or NG 

    OK >> GO TO 3.

    NG >> Replace Display.

    Fig 2: Checking Horizontal Synchronization Signal
    G02024314Courtesy of NISSAN MOTOR CO., U.S.A.
  3. RGB AREA SIGNAL CHECK 
    1. Press "INFO" switch.
    2. Check the signal between AV and NAVI control unit harness connector B30 terminals 12 (B) and 14 with CONSULT-II or oscilloscope.
      1. 12 (B) 14 : Refer to " TERMINALS AND REFERENCE VALUE FOR AV AND NAVI CONTROL UNIT   "  .

    OK or NG 

    OK >> Replace Display.

    NG >> Replace AV and NAVI control unit.

    Fig 3: Checking RGB Area Signal
    G02024315Courtesy of NISSAN MOTOR CO., U.S.A.
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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.

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