Rear Door Control Unit Circuit Check

POWER SUPPLY CIRCUIT CHECK
1. Turn ignition switch OFF.
2. Disconnect rear door control unit LH or RH connector.
3. Check voltage between rear door control unit LH or RH connector D59(LH) or D79(RH) 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 rear door control unit LH or RH and fuse.
Fig 1: Checking power Supply Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.
GROUND CIRCUIT CHECK
Check continuity between passenger door control unit LH or RH connector D59(LH) or D79(RH) 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 Ground Circuit
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 rear door control unit LH or RH connector D58 (LH), D78 (RH) terminal 11.
  1. 5 (G/OR) - 11 (G/OR): Continuity should exist.
OK or NG
1. OK: Rear 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.