Check Back Door Switch

With CONSULT-II 

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

Fig 1: Checking Back Door Switch Input Signal With CONSULT-II

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

Without CONSULT-II 

Check voltage between BCM connector and ground.

Fig 2: BCM Connector Voltage Specifications

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

Fig 3: Checking Back Door Switch Input Signal Without CONSULT-II

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 B14 terminal 7 and ground. (Check harness for open.)

   7 (L) - Ground : Battery voltage 

   Fig 4: Checking Voltage Between Back Door Switch Connector B14 Terminal 7 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between back door switch connector D109 terminals 7 and ground. (Check harness for short.)

   7 (L) - Ground : Continuity should not exist. 

   Fig 5: Checking Continuity Between Back Door Switch Connector D109 Terminals 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 terminal 7 and 8.

Fig 6: Checking Continuity Between Back Door Switch Terminal 7 And 8

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

OK or NG

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

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

8 (B) - Ground: Continuity should exist. 

Fig 7: Checking Back Door Switch Ground Harness

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

OK or NG

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