2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

The Rear View Image Is Distorted

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  1. CHECK SYNCHRO SIGNAL OPEN OR SHORT CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect rear view camera control unit connector and display connector.
    3. Check continuity between rear view camera control unit harness connector M48 terminal 14 (Y) and display harness connector M63 terminal 16 (Y)
      1. 14 (Y) - 16 (Y): Continuity should exist. 
    4. Check continuity between rear view camera control unit harness connector M48 terminal 14 (Y) and ground
      1. 14 (Y) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Repair harness or connector.
    Fig 1: Checking Continuity Between Terminal 14 And Ground
    G02359632Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK COMPOSITE SIGNAL GROUND CIRCUIT 
    1. Check continuity between rear view camera control unit harness connector M48 terminal 11 and display harness connector M63 terminal 4.
      1. 11 - 4: Continuity should exist. 
    2. Check continuity between rear view camera control unit harness connector M48 terminal 11 and ground.
      1. 11 - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Repair harness or connector.
    Fig 2: Checking Continuity Between Terminal 11 And Ground
    G02359633Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK REAR VIEW CONTROL UNIT SYNCHRO SIGNAL 
    1. Connect rear view camera control unit connector and display connector.
    2. Turn ignition switch ON.
    3. Check voltage signal between rear view camera control unit harness connector M48 terminal 14 (Y) and ground.
    Fig 3: Identifying Voltage Signal Waveform
    G02359634Courtesy 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.