Tail Lamp Does Not Operate

CHECK STOP LAMP AND TURN SIGNAL LAMP
Make sure stop lamps and turn signal lamps are illuminated.

OK or NG
1. OK: GO TO 2.
2. NG: GO TO 3 .

CHECK INPUT SIGNAL

Check voltage between rear combination lamp control unit harness connector B65 terminal 2 (R) and ground.

CHECK INPUT SIGNAL DISASSEMBLING

Terminal		(-)	Condition	Voltage
(+)
Connector	Terminal (Wire color)
B65	2(R)	Ground	Lighting switch 1ST position is ON.	Battery voltage
			Lighting switch 1ST position is OFF.	Approx. 0

Fig 1: Checking Voltage Between Rear Combination Lamp Control Unit Harness Connector B65 Terminal 2 (R) And Ground

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

OK or NG

OK: Replace rear combination lamp control unit.
NG: Repair harness or connector.

CHECK POWER SUPPLY CIRCUIT
1. Disconnect rear combination lamp control unit connector.
2. Check voltage between rear combination lamp control unit harness connector B65 terminal 1 (GY) and ground.
  1 (GY) - Ground: Battery voltage should exist.
OK or NG
1. OK: GO TO 4.
2. NG: Repair harness or connector.
  
  Fig 2: Checking Voltage Between Rear Combination Lamp Control Unit Harness Connector B65 Terminal 1 (GY) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK GROUND CIRCUIT
Check continuity between rear combination lamp control unit harness connector B65 terminal 7 (B) and ground.

7 (B) - Ground: Continuity should exist.

OK or NG
1. OK: GO TO 5.
2. NG: Repair harness or connector.
  
  Fig 3: Checking Continuity Between Rear Combination Lamp Control Unit Harness Connector B65 Terminal 7 (B) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK TURN SIGNAL LAMPS CIRCUIT
1. Disconnect rear combination lamp RH and LH connector.
2. Check continuity between rear combination lamp control unit harness connector B65 terminal 11 (W) and rear combination lamp LH harness connector B57 terminal 3 (W).
  11 (W) - 3 (W): Continuity should exist.
3. Check continuity between rear combination lamp control unit harness connector B65 terminal 10 (BR) and rear combination lamp LH harness connector B57 terminal 4 (BR).
  10 (BR) - 4 (BR): Continuity should exist.
  
  Fig 4: Checking Continuity Between Rear Combination Lamp Control Unit Harness Connector B65 Terminal 11 (W) And Rear Combination Lamp LH Harness Connector B57 Terminal 3
  Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between rear combination lamp control unit harness connector B65 terminal 9 (LG) and rear combination lamp RH harness connector B77 terminal 3 (LG).
  9 (LG) - 3 (LG): Continuity should exist.
5. Check continuity between rear combination lamp control unit harness connector B65 terminal 8 (Y) and rear combination lamp RH harness connector B77 terminal 4 (Y).
  8 (Y) - 4 (Y): Continuity should exist.
OK or NG
1. OK: Replace rear combination lamp control unit or rear combination lamp, and then check if turn signal lamps is illuminated.
2. NG: Repair harness or connector.