Auto Sliding Door Power Supply and Ground Circuit 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.

AUTO SLIDING DOOR POWER SUPPLY CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect sliding door control unit.
3. Check voltage between sliding door control unit connectors B143, B144 terminals 12, 27 and ground.
  
  Fig 1: Checking Voltage Between Sliding Door Control Unit Connectors B143, B144 Terminals 12, 27 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  - 12 (Y/R) - Ground: Approx. battery voltage
  - 27 (W) - Ground: Approx. battery voltage
OK or NG
- OK: GO TO 2.
- NG: Repair the sliding door control unit power supply circuit.
AUTO SLIDING DOOR GROUND CIRCUIT INSPECTION
Check continuity between sliding door control unit connector B143, B144 terminals 23, 32 and ground.

Fig 2: Checking Continuity Between Sliding Door Control Unit Connector B143, B144 Terminals 23, 32 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
- 23 (B) - Ground: Continuity should exist.
- 32 (B) - Ground: Continuity should exist.
OK or NG
- OK: Circuit is OK.
- NG: Repair or replace harness.