Weather strip Detection Switch System Check

Check voltage between auto trunk control unit connector and ground.

Fig 1: Connector Terminals Reference Chart

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: Weather strip detection switch is OK.
2. NG: GO TO 2.

Fig 2: Checking Voltage Between Auto Trunk Control Unit Connector And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

1. Turn ignition switch OFF.
2. Disconnect auto trunk control unit and auto trunk motor connector.
3. Check continuity between auto trunk control unit connector B110 terminal 10 and auto trunk motor connector B109 terminal 1.
   1. 10 (Y/B) - 1 (Y/B): Continuity should exist. 
4. Check continuity between auto trunk control unit connector B110 terminal 10 and ground.
   1. 10 (Y/B) - Ground: Continuity should not exist. 

OK or NG 

1. OK: GO TO 3.
2. NG: Repair or replace harness between auto trunk control unit and auto trunk motor.

Fig 3: Checking Harness Continuity

Courtesy of NISSAN MOTOR CO., U.S.A.

Check continuity between trunk motor connector B109 terminal 4 and ground.

1. 4 (B) - Ground: Continuity should exist. 

OK or NG 

1. OK: GO TO 4.
2. NG: Repair or replace harness.

Fig 4: Checking Continuity Between Trunk Motor Connector B109 Terminal 4 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

Check continuity between auto trunk motor terminals 1 and 4.

Fig 5: Connector Terminals Reference Chart

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

1. OK: Replace auto trunk control unit.
2. NG: Replace auto trunk motor.

Fig 6: Checking Continuity Between Auto Trunk Motor Terminals 1 And 4

Courtesy of NISSAN MOTOR CO., U.S.A.