LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (Power Window System) >> Power Window System >> Door Switch Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Door Switch Check

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FRONT DOOR SWITCH INPUT SIGNAL 

    With CONSULT-II 

    Check front door switches ("DOOR SW-DR" and "DOOR SW-AS" ) in "DATA MONITOR" mode with CONSULT-II.

    MONITOR ITEM AND CONDITION

    Monitor item Condition
    DOOR SW-DR OPEN: ON
    CLOSE: OFF
    DOOR SW-AS OPEN: ON
    CLOSE: OFF
    Fig 1: Display CONSULT II (Data Monitor)
    G03500156Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II 

    Check voltage between BCM connector and ground.

    BCM CONNECTORS VOLTAGE

    Item Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
    (+) (-)
    Front RH M18 12 (GY/L) Ground OPEN 0
    CLOSE Battery voltage
    Front LH M20 62 (GY/R) OPEN 0
    CLOSE Battery voltage

    OK or NG

    1. OK: Front door switch is OK.
    2. NG: GO TO 2.
    Fig 2: Checking Voltage Between BCM Connectors And Ground
    G03500157Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK FRONT DOOR SWITCH CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect front door switch LH or RH and BCM connector.
    3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 1 and BCM connector M18 terminal 12 and connector M20 terminal 62.
      1. Front LH 
      2. 1 (GY/R) -62 (GY/R): Continuity should exist. 
      3. Front RH 
      4. 1 (GY/L) -12 (GY/L): Continuity should exist. 
    4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.
      1. 1 (GY/R or GY/L) - Ground: Continuity should not exist. 
      Fig 3: Checking Continuity Between Front Door Switch Connector Terminals And BCM Connector Terminals
      G03500158Courtesy of NISSAN MOTOR CO., U.S.A.

      OK or NG

      1. OK: GO TO 3.
      2. NG: Repair or replace harness.
  3. CHECK DOOR SWITCH 
    1. Disconnect front door switch LH or RH.
    2. Check continuity between each front door switch terminal 1 and body ground part of front door switch.
    FRONT DOOR SWITCH TERMINALS CONTINUITY

    Terminal Door switch Continuity
    1 Body ground part of front door switch Pushed No
    Released Yes

    OK or NG

    1. OK: Further inspection is necessary. Refer to symptom chart.
    2. NG: Replace malfunctioning front door switch.
    Fig 4: Checking Continuity Between Each Front Door Switch Terminal 1 And Body Ground Part Of Front Door Switch
    G03500159Courtesy of NISSAN MOTOR CO., U.S.A.
scientia non olet · About LEMON Manuals