Passenger Door Control Unit Circuit Check.

POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect passenger door control unit connector.
3. Check voltage between passenger door control unit connector D39 terminal 6 and ground.
  1. 6 (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 door control unit and fuse.
Fig 1: Checking Voltage Between Passenger Door Control Unit Connector D39 Terminal 6 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
GROUND CIRCUIT CHECK
Check continuity between passenger door control unit connector D39 terminal 7 and ground.
1. 7 (B) - Ground: Continuity should exist.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness.
Fig 2: Checking Continuity Between Passenger Door Control Unit Connector D39 Terminal 7 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
COMMUNICATION CIRCUIT CHECK
1. Disconnect driver door control unit connector.
2. Check continuity between driver door control unit connector D8 terminal 5 and passenger door control unit connector D38 terminal 11.
  1. 5 (G/OR) - 11 (G/OR): Continuity should exist.
OK or NG
1. OK: Passenger door control unit circuit is OK.
2. NG: Repair or replace harness.
Fig 3: Checking Communication Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.