Passenger Door Control Unit Circuit Check

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check Power Supply Circuit
1. Turn ignition switch OFF.
2. Disconnect passenger door control unit connector.
3. Check voltage between passenger door control unit connector D38 terminal 10 and ground.
  
  Fig 1: Testing Power Supply Circuit
  Courtesy of NISSAN MOTOR CO., U.S.A.
  1. 10 (W/R) - Ground: Battery voltage
OK or NG
1. OK: Go to 2.
2. NG: Check the following.
  - 40A fusible link (letter H, located in fuse and fusible link box).
  - Harness for open or short between passenger control unit and fuse.
Check Ground Circuit
Check continuity between passenger door control unit connector D38 terminal 11 and ground.
1. 11 (B) - Ground: Continuity should exist.
OK or NG
1. OK: Inspection end
2. NG: Repair or replace harness.
Fig 2: Checking Ground Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.