The Rear View Image Is Distorted

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
Courtesy of NISSAN MOTOR CO., U.S.A.
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
Courtesy of NISSAN MOTOR CO., U.S.A.
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
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Voltage Signal Between Terminal 14 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

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