Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK REVERSE INPUT SIGNAL
   
   
   1. Turn ignition switch ON.
   2. Shift the selector lever to R (reverse).
   3. Check voltage between AV control unit connector M192 and ground.

      AV control unit		Ground	Condition	Voltage (Approx.)
      (+)		(-)
      Connector	Terminal
      M192	30	-	Selector lever in R (reverse)	Battery Voltage

   Is inspection result normal?

   YES 

   GO TO STEP 2  .

   NO 

   Repair or replace harness or connectors.

2. CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY
   
   
   1. Turn ignition switch OFF.
   2. Disconnect AV control unit connector M195 and rear view camera connector.
   3. Check continuity between AV control unit connector M195 terminal 87 and rear view camera connector D504 terminal 1.

      AV control unit		Rear view camera		Continuity
      Connector	Terminal	Connector	Terminal
      M195	87	D504	1	Yes

   4. Check continuity between AV control unit connector M195 terminal 87 and ground.

      AV control unit		Ground	Continuity
      Connector	Terminal
      M195	87		No

   Is inspection result normal?

   YES 

   GO TO STEP 3  .

   NO 

   Repair or replace harness or connectors.

3. CHECK CAMERA POWER SUPPLY VOLTAGE
   
   
   1. Connect AV control unit connector M195 and rear view camera connector.
   2. Turn ignition switch ON.
   3. Shift the selector lever to "R".
   4. Check voltage between AV control unit connector M195 terminal 87 and ground.

      AV control unit		Ground	Condition	Voltage (Approx.)
      (+)		(-)
      Connector	Terminal
      M195	87	-	Selector lever is in "R".	6.0 V

   Is inspection result normal?

   YES 

   GO TO STEP 4  .

   NO 

   Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

4. CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY
   
   
   1. Turn ignition switch OFF.
   2. Disconnect AV control unit connector M195 and rear view camera connector.
   3. Check continuity between AV control unit connector M195 terminal 82 and rear view camera connector D504 terminal 3.

      AV control unit		Rear view camera		Continuity
      Connector	Terminal	Connector	Terminal
      M195	82	D504	3	Yes

   4. Check continuity between AV control unit connector M195 terminal 82 and ground.

      AV control unit		Ground	Continuity
      Connector	Terminal
      M195	82		No

   Is inspection result normal?

   YES 

   GO TO STEP 5  .

   NO 

   Repair or replace harness or connectors.

5. CHECK CAMERA GROUND CIRCUIT CONTINUITY
   
   

   Check continuity between AV control unit connector M195 terminal 88 and rear view camera connector D504 terminal 2.

   AV control unit		Rear view camera		Continuity
   Connector	Terminal	Connector	Terminal
   M195	88	D504	2	Yes

   Is inspection result normal?

   YES 

   GO TO STEP 6  .

   NO 

   Repair or replace harness or connectors.

6. CHECK CAMERA IMAGE SIGNAL
   
   
   1. Connect AV control unit connector M195 and rear view camera connector.
   2. Turn ignition switch ON.
   3. Shift the selector lever to "R".
   4. Check signal between AV control unit connector M195 terminal 82 and ground.

      AV control unit		Ground	Condition	Reference value
      (+)		(-)
      Connector	Terminal
      M195	82	-	Camera image displayed.	Courtesy of NISSAN NORTH AMERICA, INC.

   Is inspection result normal?

   YES 

   Replace AV control unit. Refer to REMOVAL AND INSTALLATION .

   NO 

   Replace rear view camera. Refer to REMOVAL AND INSTALLATION .