Rear Turn Signal Lamp Does Not Operate

Check Tail Lamps And Stop Lamps
Make sure tail lamps and stop lamps is illuminated.

OK or NG
1. OK: Go to 2.
2. NG: Go to 3 .
Check Turn Signal Lamps Circuit
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M4 terminal 45 (G/W) and rear combination lamp control unit harness connector B65 terminal 4, See Figure , (OR)
  45 (G/W) - 4 (OR): Continuity should exist .
3. Check continuity between BCM harness connector M4 terminal 46 (BR/W) and rear combination lamp control unit harness connector B65 terminal 5 (PU). See Figure .
  46 (BR/W) - 5 (PU): Continuity should exist .
OK or NG
1. OK: Replace rear combination lamp control unit.
2. 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.
  
  Fig 1: Testing Power To Rear Combination Lamp Control Unit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  1 (GY) - Ground: Battery voltage should exist .
OK or NG
1. OK: Go to 4.
2. NG: Repair harness or connector.
Check Ground Circuit
Check continuity between rear combination lamp control unit harness connector B65 terminal 7 (B) and ground.

Fig 2: Testing Rear Combination Lamp Control Unit Continuity To Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

7 (B) - Ground: Continuity should exist .

OK or NG
1. OK: Go to 5.
2. NG: Repair harness or connector.
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).
  
  Fig 3: Testing Rear Combination Lamp Control Unit To Rear Combination Lamps Continuity
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  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). See Fig 3 .
  10 (BR) - 4 (BR): Continuity should exist .
4. Check continuity between rear combination lamp control unit harness connector B65 terminal 9 (LG) and rear combination lamp RH harness connector B219 terminal 3 (LG). See Fig 3 .
  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 B219 terminal 4 (Y). See Fig 3 .
  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.