Door Switch Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-II

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR", "BACK DOOR SW", "TRNK OPN MNTR") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".
- When any doors are open:
  1. DOOR SW-DR: ON
  2. DOOR SW-AS: ON
  3. DOOR SW-RL: ON
  4. DOOR SW-RR: ON
  5. BACK DOOR SW: ON
  6. TRNK OPN MNTR: ON
- When any doors are closed:
  1. DOOR SW-DR: OFF
  2. DOOR SW-AS: OFF
  3. DOOR SW-RL: OFF
  4. DOOR SW-RR: OFF
  5. BACK DOOR SW: OFF
  6. TRNK OPN MNTR: OFF
  Fig 1: Identifying Data Monitor Display
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II

Check voltage between BCM connector M18 or M19 terminals 12, 13, 42, 43, 47, 48 and ground.

Fig 2: BCM Connector M18, M19 And Ground Voltage Specification Chart
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Voltage Between BCM Connector M18 Or M19 Terminals 12, 13, 42, 43, 47, 48 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: System is OK.
2. NG: GO TO 2.
CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector B8 (front LH), B108 (front RH), B18 (rear LH), B116 (rear RH) terminal 2 or D503 (back door latch) terminal 7, D707 (glass hatch ajar) terminal + and BCM connectors M18, M19 terminals 12, 13, 42, 43, 47 and 48.
  1. 2 (SB) - 47 (SB): Continuity should exist.
  2. 2 (R/L) - 12 (R/L): Continuity should exist.
  3. 2 (R/Y) - 48 (R/Y): Continuity should exist.
  4. 2 (GR) - 13 (GR): Continuity should exist.
  5. 7 (R/W) - 43 (R/B): Continuity should exist.
  6. + (GR) - 42 (GR): Continuity should exist.
4. Check continuity between door switch connector B8 (front LH), B108 (front RH), B18 (rear LH), B116 (rear RH) terminal 2, D707 (glass hatch ajar) terminal + or D503 (back door latch) terminal 7 and ground.
  1. 2B, (SB, R/L, R/Y or GR) - Ground: Continuity should not exist.
  2. 7 (R/W) - Ground: Continuity should not exist.
  3. + (GR) - Ground: Continuity should not exist.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness.
Fig 4: Checking Continuity Between Door Switch Connector B8, B108, B18, B116 Terminal 2 Or D503 Terminal 7, D707 Terminal + And BCM Connectors M18, M19 Terminals 12, 13, 42, 43, 47 And 48
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR SWITCHES
1. Disconnect door switch harness.
2. Check continuity between door switch connector terminals.
  
  Fig 5: Door Switch Terminals Continuity Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 6: Checking Continuity Between Door Switch Connector Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check door switch case ground condition (front, rear door and glass hatch) or ground circuit (back door latch).
2. NG: Replace door switch.