Check Back Door Switch

With CONSULT-II 

Check door switches ("BACK DOOR SW") in "DATA MONITOR" mode with CONSULT-II.

Fig 1: Displaying ("BACK DOOR SW") in "DATA MONITOR" Mode

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

Without CONSULT-II 

Check voltage between BCM connector and ground.

Fig 2: Terminal Reference Chart

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

Fig 3: Checking Voltage Between BCM Connector And Ground

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

OK or NG 

1. OK : Door switch circuit is OK.
2. NG : GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect back door switch connector.
3. Check voltage between back door switch connector D109 terminal 7 and ground. (Check harness for open.)
   1. 7 (L) - Ground : Approx. 9V
   Fig 4: Checking Voltage Between Back Door Switch Connector D109 Terminal 7 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between back door switch connector D109 terminal 7 and ground. (Check harness for short.)
   1. 7 (L) - Ground : Continuity should not exist.

Fig 5: Checking Continuity Between Back Door Switch Connector D109 Terminal 7 And Ground

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

OK or NG 

1. OK : GO TO 3.
2. NG : Repair or replace harness.

Check continuity between back door switch terminals 7 and 8.

Fig 6: Terminal Reference Chart

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

Fig 7: Checking Continuity Between Back Door Switch Terminals 7 And 8

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

OK or NG 

1. OK : GO TO 4.
2. NG : GO TO Replace back door closure motor (door switch).

Check continuity between back door switch connector D109 terminal 8 and ground.

1. 8 (B) - Ground : Continuity should exist.

Fig 8: Checking Continuity Between Back Door Switch Connector D109 Terminal 8 And Ground

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

OK or NG 

1. OK : Check harness connection.
2. NG : Repair or replace harness.