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Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Electrical >> Gauges >> Driver Information System >> Rear View Monitor >> Rear View Is Not Displayed With The A/T Selector Lever In R-Position

Rear View Is Not Displayed With The A/T Selector Lever In R-Position

  1. BACK-UP LAMP INSPECTION 
    1. Turn ignition switch ON.
    2. Shift A/T selector lever to R position.

    Does back-up lamp illuminate? 

    1. YES: GO TO 2.
    2. NO: Check back-up lamp system. Refer to "BACK-UP LAMP " in Lighting System article.
  2. CHECK REVERSE POSITION INPUT SIGNAL 

    With CONSULT-II 

    Select "DATA MONITOR" of "REARVIEW CAMERA". Operate ignition switch with "R POSI SIG" of "DATA MONITOR" and check operate status.

    Fig 1: CONSULT-II Diagnosis Function Display
    G02359618Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    1. Turn ignition switch OFF.
    2. Disconnect rear view camera control unit connector.
    3. Turn ignition switch ON.
    4. Shift A/T selector lever to R position.
    5. Check voltage between rear view camera control unit harness connector M48 terminal 4 (OR) and ground.
      1. 4 (OR) - Ground: Battery voltage 

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Check harness between rear view camera control unit and back-up lamp relay.
    Fig 2: Checking Voltage Between Terminal 4 And Ground
    G02359619Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK DISPLAY CONTROL UNIT OUTPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect rear view camera control unit connector.
    3. Turn ignition switch ON.
    4. Check voltage between rear view camera control unit harness connector M48 terminal 5 (G/Y) and ground.
      1. 5 (G/Y) - Ground: Approx. 5 V 

    OK or NG 

    1. OK: GO TO  5.
    2. NG: GO TO 4.
    Fig 3: Checking Voltage Between Terminal 5 And Ground
    G02359620Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK DISPLAY CONTROL UNIT CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect display control unit connector.
    3. Check continuity between rear view camera control unit harness connector M48 terminal 5 (G/Y) and display control unit harness connector M75 terminal 8 (G/Y).
      1. 5 (G/Y) - 8 (G/Y): Continuity should exist. 
    4. Check continuity between rear view camera control unit harness connector M48 terminal 5 (G/Y) and ground.
      1. 5 (G/Y) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: Replace display control unit.
    2. NG: Repair harness or connector.
    Fig 4: Checking Continuity Between Terminal 5 And Ground
    G02359621Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK CONTROL 1 SIGNAL 
    1. Turn ignition switch OFF.
    2. Connect rear view camera control unit connector.
    3. Shift A/T selector lever to R position.
    4. Check voltage between rear view camera control unit harness connector M48 terminal 5 (G/Y) and ground.
      1. 5 (G/Y) - Ground: Approx. 0 V 

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Replace rear view camera control unit.
    Fig 5: Checking Voltage Between Terminal 5 And Ground
    G02359622Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK REAR VIEW CAMERA OPEN CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect rear view camera connector.
    3. Check continuity between rear view camera control unit harness connector M48 terminal 8 (R/W) and rear view camera harness connector D108 terminal 1 (PU)
      1. 8 (R/W) - 1 (PU): Continuity should exist. 
    4. Check continuity between rear view camera control unit harness connector M48 terminal 9 and rear view camera harness connector D108 terminal 4
      1. 9 - 4: Continuity should exist. 
    5. Check continuity between rear view camera control unit harness connector M48 terminal 10 (G/W) and rear view camera harness connector D108 terminal 3 (G)
      1. 10 (G/W) - 3 (G): Continuity should exist. 

    OK or NG 

    1. OK: GO TO 7.
    2. NG: Repair harness or connector.
    Fig 6: Checking Continuity Between Terminal 10 And Terminal 3
    G02359623Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK REAR VIEW CAMERA SHORT CIRCUIT 
    1. Check continuity between rear view camera control unit harness connector M48 terminal 8 (R/W) and ground
      1. 8 (R/W) - Ground: Continuity should not exist. 
    2. Check continuity between rear view camera control unit harness connector M48 terminal 9 and ground
      1. 9 - Ground: Continuity should not exist. 
    3. Check continuity between rear view camera control unit harness connector M48 terminal 10 (G/W) and ground
      1. 10 (G/W) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 8.
    2. NG: Repair harness on connector.
    Fig 7: Checking Continuity Between Terminal 10 And Ground
    G02359624Courtesy of NISSAN MOTOR CO., U.S.A.
  8. CHECK POWER SUPPLY AND GROUND CIRCUIT 

    Check power supply and ground circuit. Refer to "POWER SUPPLY AND GROUND CIRCUIT INSPECTION ".

    OK or NG 

    1. OK: GO TO 9.
    2. NG: Repair or replace power supply and ground circuit.
  9. CHECK REAR VIEW CAMERA CONTROL UNIT OUTPUT SIGNAL 
    1. Connect rear view camera control unit connector.
    2. Turn ignition switch ON.
    3. Shift A/T selector lever to R position.
    4. Check voltage between rear view camera control unit harness connector M48 terminal 8 (R/W) and ground.
      1. 8 (R/W) - Ground: Approx. 6 V 

    OK or NG 

    1. OK: GO TO 10.
    2. NG: Replace rear view camera control unit.
    Fig 8: Checking Voltage Between Terminal 8 And Ground
    G02359625Courtesy of NISSAN MOTOR CO., U.S.A.
  10. CHECK REAR VIEW CAMERA SIGNAL 
    1. Turn ignition switch OFF.
    2. Connect rear view camera connector.
    3. Turn ignition switch ON.
    4. Shift A/T selector lever to R position.
    5. Check voltage signal between rear view camera control unit harness connector M48 terminal 10 (G/W) and ground.
    Fig 9: Identifying Voltage Signal Waveform
    G02359626Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 10: Checking Voltage Signal Between Terminal 10 And Ground
    G02359627Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 11.
    2. NG: Replace rear view camera.
  11. CHECK COMPOSITE 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 M48 terminal 12 (BR) and display harness connector M63 terminal 15 (BR).
      1. 12 (BR) - 15 (BR): Continuity should exist. 
    4. Check continuity between rear view camera control unit harness connector M48 terminal 12 (BR) and ground.
      1. 12 (BR) - Ground: Continuity should not exist. 

    OK or NG 

    1. OK: GO TO 12.
    2. NG: Repair harness or connector.
    Fig 11: Checking Continuity Between Terminal 12 And Ground
    G02359628Courtesy of NISSAN MOTOR CO., U.S.A.
  12. 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 13.
    2. NG: Repair harness or connector.
    Fig 12: Checking Continuity Between Terminal 11 And Terminal 4
    G02359629Courtesy of NISSAN MOTOR CO., U.S.A.
  13. CHECK COMPOSITE 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 12 (BR) and ground.
    Fig 13: Identifying Voltage Signal Waveform
    G02359630Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 14: Checking Voltage Signal Between Terminal 12 And Ground
    G02359631Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: Replace display.
    2. NG: Replace rear view camera control unit.
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