Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect camera control unit connector and steering angle sensor connector.
3. Check continuity between camera control unit harness connector and steering angle sensor harness connector.
   CONTINUITY REFERENCE TABLE
   
   

   Camera control unit		Steering angle sensor		Continuity
   Connector	Terminals	Connector	Terminals
   B50	23	M37	3	Existed
   	24		4
   	25		5

4. Check continuity between camera control unit harness connector and ground.
   CONTINUITY REFERENCE TABLE
   
   

   Camera control unit		Ground	Continuity
   Connector	Terminals
   B50	23		Not existed
   	24
   	25

Is inspection result normal? 

YES: GO TO  2.

NO: Repair harness or connector.

1. Connect camera control unit connector.
2. Turn ignition switch ON.
3. Check voltage between camera control unit harness connector and ground.
   VOLTAGE SPECIFICATION TABLE
   
   

   (+)		(-)	Voltage (Approx.)
   Camera control unit
   Connector	Terminals
   B50	23	Ground	5.0 V
   	24
   	25

Is inspection result normal? 

YES: GO TO  3.

NO: Replace camera control unit.

1. Turn ignition switch OFF.
2. Connect steering angle sensor connector.
3. Turn ignition switch ON.
4. Check signal between camera control unit harness connector and ground.
   SIGNAL REFERENCE TABLE
   
   

   (+)		(-)	Condition	Reference value
   Camera control unit
   Connector	Terminals
   B50	23, 24	Ground	Turn the steering to the right	Courtesy of NISSAN MOTOR CO., U.S.A.
   			Turn the steering to the left	Courtesy of NISSAN MOTOR CO., U.S.A.
   	25	Ground	Turn the steering around the neutral position	Courtesy of NISSAN MOTOR CO., U.S.A.

Is inspection result normal? 

YES: INSPECTION END

NO: Replace steering angle sensor.