lemon-mirror:
Home >> Infiniti >> 2006 >> Q45 >> Repair and Diagnosis >> Electrical >> Gauges >> Driver Information System >> Rear View Monitor >> Rear View Image is Distorted

Rear View Image is Distorted

  1. CHECK REAR VIEW CAMERA CONTROL UNIT COMPOSITE SYNCHRONIZING SIGNAL 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 B236 terminal 14 and display harness connector M82 terminal 10.

      14 - 10 : Continuity should exist. 

    4. Check continuity between rear view camera control unit harness connector M236 terminal 14 and ground.

      14 - Ground : Continuity should not exist. 

    OK or NG

    1. OK : GO TO 2.
    2. NG : Repair harness or connector.
      Fig 1: Identifying Continuity Between Rear View Camera Control Unit Harness Connector M236 Terminal 14 And Ground
      G04131286Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK REAR VIEW CAMERA CONTROL UNIT COMPOSITE SYNCHRONIZING SIGNAL 
    1. Connect rear view camera control unit connector and display connector.
    2. Turn ignition switch ON.
    3. Shift A/T selector lever to "R" position.
    4. Check voltage signal between rear view camera control unit harness connector B236 terminals 14 and 11.

      14 - 11: 

      Fig 2: Voltage Signal Graph
      G04131287Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Identifying Voltage Signal Between Rear View Camera Control Unit Harness Connector B236 Terminals 14 And 11
      G04131288Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK :
      • GO TO 3 (without NAVI).
      • GO TO  7 (with NAVI).
    2. NG : Replace rear view camera control unit.
  3. CHECK AV CONTROL UNIT VERTICAL SYNCHRONIZING SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect AV control unit connector and display connector.
    3. Check continuity between AV control unit harness connector M78 terminal 11 and display harness connector M82 terminal 6.

      11 - 6 : Continuity should exist. 

    4. Check continuity between AV control unit harness connector M78 terminal 11 and ground.

      11 - Ground : Continuity should not exist. 

    OK or NG

    1. OK : GO TO 4.
    2. NG : Repair harness or connector.
      Fig 4: Identifying Continuity Between AV Control Unit Harness Connector M78 Terminal 11 And Ground
      G04131289Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK AV CONTROL UNIT HORIZONTAL SYNCHRONIZING SIGNAL CIRCUIT 
    1. Check continuity between AV control unit harness connector M78 terminal 13 and display harness connector M82 terminal 5.

      13 - 5 : Continuity should exist. 

    2. Check continuity between AV control unit harness connector M78 terminal 13 and ground.

      13 - Ground : Continuity should not exist. 

    OK or NG

    1. OK : GO TO 5.
    2. NG : Repair harness or connector.
      Fig 5: Identifying Continuity Between AV Control Unit Harness Connector M78 Terminal 13 And Ground
      G04131290Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK AV CONTROL UNIT VERTICAL SYNCHRONIZING SIGNAL 
    1. Connect AV control unit connector and display connector.
    2. Turn ignition switch ON.
    3. Shift A/T selector lever to "R" position.
    4. Check voltage signal between AV control unit harness connector M78 terminals 11 and 10.

      11 - 10: 

      Fig 6: Voltage Signal Graph
      G04131291Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 7: Identifying Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 11 And 10
      G04131292Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO 6.
    2. NG : Replace AV control unit.
  6. CHECK AV CONTROL UNIT HORIZONTAL SYNCHRONIZING SIGNAL 
    1. Turn ignition switch ON.
    2. Shift A/T selector lever to "R" position.
    3. Check voltage signal between AV control unit harness connector M78 terminals 13 and 10.

      13 - 10: 

      Fig 8: Voltage Signal Graph
      G04131293Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 9: Identifying Voltage Signal Between AV Control Unit Harness Connector M78 Terminals 13 And 10
      G04131294Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace display.
    2. NG : Replace AV control unit.
  7. CHECK AV AND NAVI CONTROL UNIT VERTICAL SYNCHRONIZING SIGNAL CIRCUIT 
    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 11 and display harness connector M82 terminal 6.

      11 - 6 : Continuity should exist. 

    4. Check continuity between AV and NAVI control unit harness connector B30 terminal 11 and ground.

      11 - Ground : Continuity should not exist. 

    OK or NG

    1. OK : GO TO 8.
    2. NG : Repair harness or connector.
      Fig 10: Identifying Continuity Between AV And NAVI Control Unit Harness Connector B30 Terminal 11 And Ground
      G04131295Courtesy of NISSAN MOTOR CO., U.S.A.
  8. CHECK AV AND NAVI CONTROL UNIT HORIZONTAL SYNCHRONIZING SIGNAL CIRCUIT 
    1. Check continuity between AV and NAVI control unit harness connector B30 terminal 13 and display harness connector M82 terminal 5.

      13 - 5 : Continuity should exist. 

    2. Check continuity between AV and NAVI control unit harness connector B30 terminal 13 and ground.

      13 - Ground : Continuity should not exist. 

    OK or NG

    1. OK : GO TO 9.
    2. NG : Repair harness or connector.
      Fig 11: Identifying Continuity Between AV And NAVI Control Unit Harness Connector B30 Terminal 13 And Ground
      G04131296Courtesy of NISSAN MOTOR CO., U.S.A.
  9. CHECK AV AND NAVI CONTROL UNIT VERTICAL SYNCHRONIZING SIGNAL 
    1. Connect AV and NAVI control unit connector and display connector.
    2. Turn ignition switch ON.
    3. Shift A/T selector lever to "R" position.
    4. Check voltage signal between AV and NAVI control unit harness connector B30 terminals 11 and 14.

      11 - 14: 

      Fig 12: Voltage Signal Graph
      G04131297Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 13: Identifying Voltage Signal Between AV And NAVI Control Unit Harness Connector B30 Terminals 11 And 14
      G04131298Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO 10.
    2. NG : Replace AV and NAVI control unit.
  10. CHECK AV AND NAVI CONTROL UNIT HORIZONTAL SYNCHRONIZING SIGNAL 
    1. Turn ignition switch ON.
    2. Shift A/T selector lever to "R" position.
    3. Check voltage signal between AV and NAVI control unit harness connector B30 terminals 13 and 14.

      13 - 14: 

      Fig 14: Voltage Signal Graph
      G04131299Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 15: Identifying Voltage Signal Between AV And NAVI Control Unit Harness Connector B30 Terminals 13 And 14
      G04131300Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace display.
    2. NG : Replace AV and NAVI control unit.
· About lemon-mirror