Back Door Close (Close) Switch System Inspection

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

BACK DOOR CLOSE SWITCH FUNCTION INSPECTION
Check back door close (close) switch using switch operation.

OK or NG
1. OK: Back door close switch is OK.
2. NG: GO TO 2.
BACK DOOR CLOSE SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While operating the back door close switch, check voltage between back door control unit connector B55 terminal 8 and ground.
  
  Fig 1: Back Door Control Unit Terminal 8 And Ground Voltage Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Between Back Door Control Unit Connector B55 Terminal 8 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Switch is OK.
2. NG: GO TO 3.
BACK DOOR CLOSE SWITCH CIRCUIT INSPECTION
1. Disconnect back door close switch and back door control unit connector.
2. Check continuity between back door close switch connector B63 terminal 1 and back door control unit connector B55 terminal 8.
  1. 1 (GR/B) - 8 (GR/B): Continuity should exist.
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness.
Fig 3: Checking Continuity Between Back Door Close Switch Connector B63 Terminal 1 And Back Door Control Unit Connector B55 Terminal 8
Courtesy of NISSAN MOTOR CO., U.S.A.
BACK DOOR CLOSE SWITCH GROUND INSPECTION
Check continuity between back door close switch connector B63 terminal 3 and ground.
1. 3 (B) - Ground: Continuity should exist.
OK or NG
1. OK: Replace the back door close switch.
2. NG: Repair or replace harness.
Fig 4: Checking Continuity Between Back Door Close Switch Connector B63 Terminal 3 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.