Neutral Switch System Inspection

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

NEUTRAL SWITCH SIGNAL INSPECTION
1. Turn ignition switch OFF.
2. While fully opening and closing the sliding door, check voltage waveform between sliding door latch control unit connector terminal 1 and ground using an oscilloscope.
  
  Fig 1: Voltage Waveform Graph Description Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Waveform Between Sliding Door Latch Control Unit Connector Terminal 1 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Neutral switch is OK.
- NG: GO TO 2.
NEUTRAL SWITCH CIRCUIT INSPECTION
1. Disconnect cinch latch switch and sliding door latch control unit.
2. Check continuity between cinch latch switch connector terminal 4 and sliding door latch control unit connector terminal 1.
  
  Fig 3: Checking Continuity Between Cinch Latch Switch Connector Terminal 4 & Sliding Door Latch Control Unit Connector Terminal 1
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - 4 (G) - 1 (G): Continuity should exist.
OK or NG
- OK: GO TO 3.
- NG: Repair or replace harness.
NEUTRAL SWITCH GROUND INSPECTION
1. Close the sliding door.
2. Check continuity between cinch latch switch connector terminal 1 and ground.
  
  Fig 4: Checking Continuity Between Cinch Latch Switch Connector Terminal 1 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - 1 (Y) - Ground: Continuity should exist.
OK or NG
- OK: Replace the cinch latch switch.
- NG: Repair or replace harness.