Check Rear Door Control Unit Circuit

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.
  6 (Y/B) - Ground: Battery voltage
  
  Fig 1: Checking Voltage Between Rear Door Control Unit LH Or RH Connector D59 (LH) Or D79 (RH) Terminal 6 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 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.
GROUND CIRCUIT CHECK
Check continuity between passenger door control unit LH or RH connector D59 (LH) or D79 (RH) terminal 7 and ground.

7 (B) - Ground: Continuity should exist.

Fig 2: Checking Continuity Between Passenger Door Control Unit LH Or RH Connector D59 (LH) Or D79 (RH) Terminal 7 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: GO TO 3.
- NG: Repair or replace harness.
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.
  5 (G/OR) - 11 (G/OR): Continuity should exist.
  
  Fig 3: Checking Continuity Between Driver Door Control Unit Connector D8 Terminal 5 And Rear Door Control Unit LH Or RH Connector D58 (LH)
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: Rear door control unit circuit is OK.
- NG: Repair or replace harness.