Check Back Door Switch

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-II

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

Fig 1: Back Door Switch Condition
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: CONSULT- II DATA MONITOR Display Screen
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between BCM connector and ground.

Fig 3: Back Door Switch Voltage
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Voltage Between BCM And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Back door switch circuit is OK.
2. NG: GO TO 2
CHECK BACK DOOR SWITCH HARNESS
1. Turn ignition switch OFF.
2. Disconnect BCM and back door switch connectors.
3. Check continuity between BCM connector M34 terminal 18 and back door switch connector D100 terminal 1.
  
  Fig 5: Checking Continuity Between BCM And Back Door Switch
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  18 (V/W) - 1 (V/W): Continuity should exist.
4. Check continuity between BCM connector M34 terminal 18 and ground.
  18 (V/W) - Ground: Continuity should not exist.
OK or NG
1. OK: GO TO 3
2. NG: Repair or replace harness.
CHECK BACK DOOR SWITCH
Check continuity between back door switch terminals 1 and 3.

Fig 6: Terminal Continuity Based On Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 4.
2. NG: Replace back door switch.
  
  Fig 7: Checking Continuity Between Back Door Switch Terminals)
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK BACK DOOR SWITCH GROUND HARNESS
Check continuity between back door switch connector D100 terminal 3 (B) and ground.

3 (B) - Ground: Continuity should exist.

OK or NG
1. OK: Back door switch circuit is OK.
2. NG: Repair or replace harness.
  
  Fig 8: Checking Continuity Between Back Door Switch And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.