Rear View Camera Circuit Inspection

CHECK REAR VIEW CAMERA OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect rear view camera connector and rear view camera control unit connector.
3. Check continuity between rear view camera harness connector B314 terminal 1 and rear view camera control unit harness connector B236 terminal 8.
  1 - 8 : Continuity should exist.
4. Check continuity between rear view camera harness connector B314 terminal 3 and rear view camera control unit harness connector B236 terminal 10.
  3 - 10 : Continuity should exist.
  
  Fig 1: Identifying Continuity Between Rear View Camera Harness Connector B314 Terminal 1 And Rear View Camera Control Unit Harness Connector
  Courtesy of NISSAN MOTOR CO., U.S.A.
5. Check continuity between rear view camera harness connector B314 terminal 4 and rear view camera control unit harness connector B236 terminal 9.
  4 - 9 : Continuity should exist.
OK or NG
1. OK : GO TO 2.
2. NG : Repair harness or connector.
CHECK REAR VIEW CAMERA SHORT CIRCUIT
1. Check continuity between rear view camera control unit harness connector B236 terminal 8 and ground.
  8 - Ground : Continuity should not exist.
2. Check continuity between rear view camera control unit harness connector B236 terminal 10 and ground.
  10 - Ground : Continuity should not exist.
OK or NG
1. OK : GO TO 3.
2. NG : Repair harness or connector.
  
  Fig 2: Identifying Continuity Between Rear View Camera Control Unit Harness Connector B236 Terminal 10 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK REAR VIEW CAMERA GROUND CIRCUIT
Check continuity between rear view camera harness connector B314 terminal 2 and ground.

2 - Ground : Continuity should exist.

OK or NG
1. OK : GO TO 4.
2. NG : Repair harness or connector.
  
  Fig 3: Identifying Continuity Between Rear View Camera Harness Connector B314 Terminal 2 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK REAR VIEW CAMERA POWER OUTPUT
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 B236 terminal 8 and ground.
  8 - Ground : Approx. 6 V
  
  Fig 4: Identifying Voltage Between Rear View Camera Control Unit Harness Connector B236 Terminal 8 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : GO TO 5.
2. NG : Replace rear view camera control unit.
CHECK REAR VIEW CAMERA IMAGE INPUT 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 B236 terminals 10 and 9.
  10 - 9:
  
  Fig 5: Voltage Signal Graph
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Rear view camera is OK. Return to "SYMPTOM CHART ".
2. NG : Replace rear view camera.
  
  Fig 6: Identifying Voltage Signal Between Rear View Camera Control Unit Harness Connector B236 Terminals 10 And 9
  Courtesy of NISSAN MOTOR CO., U.S.A.