2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

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.
  1. 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
      G02340159Courtesy 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.

  2. 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
    G02340160Courtesy of NISSAN MOTOR CO., U.S.A.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.