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Door Switch Check (King Cab)

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR SWITCHES INPUT SIGNAL 

    With CONSULT-II

    Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

    • When any doors are open:

      DOOR SW-DR : ON 

      DOOR SW-AS : ON 

    • When any doors are closed:

      DOOR SW-DR : OFF 

      DOOR SW-AS : OFF 

      Fig 1: Checking Door Switches With CONSULT-II (King Cab)
      G03599956Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    Check voltage between BCM connector M18 or M19 terminals 12, 47 and ground.

    Fig 2: Checking Voltage Between BCM Connector M18 Or M19 Terminals 12, 47 And Ground
    G03599957Courtesy of NISSAN MOTOR CO., U.S.A.
    VOLTAGE BETWEEN BCM CONNECTOR M18 OR M19 TERMINALS 12, 47 AND GROUND REFERENCE

    Connector Item Terminals (Wire color) Condition Voltage (V) (Approx.)
    (+) (-)
    M19 Door switches LH 47 (SB) Ground Open
    |
    v
    Closed    		 0
    |
    v
    Battery voltage
    M18 Door switches RH 12 (R/L)

    OK or NG

    • OK : System is OK.
    • NG : GO TO 2.
  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) terminal 2, B73 (Rear upper LH), B156 (Rear upper RH), B74 (Rear lower LH), B157 (Rear lower RH) terminal 1 and BCM connector M18, M19 terminals 12, and 47.

      2 (SB) - 47 (SB) : Continuity should exist 

      2 (R/L) - 12 (R/L) : Continuity should exist 

      1 (SB) - 47 (SB) : Continuity should exist 

      1 (R/L) - 12 (R/L) : Continuity should exist 

    4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2, B73 (Rear upper LH), B156 (Rear upper RH), B74 (Rear lower LH), B157 (Rear lower RH) terminal 1 and ground.

      2 (SB or R/L) - Ground : Continuity should not exist 

      1 (SB or R/L) - Ground : Continuity should not exist 

      Fig 3: Checking Continuity Between Door Switch Connector B8, B108 Terminal 2, B73, B156, B74, B157 Terminal 1 And BCM Connector M18, M19 Terminals 12, And 47 And Ground
      G03599958Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK : GO TO 3.
    • NG : Repair or replace harness.
  3. CHECK DOOR SWITCHES 
    1. Disconnect door switch.
    2. Check continuity between door switch terminals.
      Fig 4: Checking Continuity Between Door Switch Terminals
      G03599959Courtesy of NISSAN MOTOR CO., U.S.A.
      DOOR SWITCH TERMINAL CONTINUITY REFERENCE

      Terminal Condition Continuity
      Door switches (front) 2--3 Open No
      Closed Yes
      Door switches (rear upper and lower) 1--2 Open No
      Closed Yes

    OK or NG

    • OK : Repair or replace harness.
    • NG : Replace door switch.
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