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Power Window Master Switch: Inspection

  1. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. Measure the resistance of the switch when the switch is operated.
      Fig 1: Identifying Power Window Regulator Master Switch Connectors
      G04476772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance: 

      Driver switch 

      TERMINALS RESISTANCE SPECIFICATION (DRIVER SWITCH)

      Tester Connection Window Lock Switch Condition Power Window Switch Condition Specified Condition
      1 (E) - 9 (DD) Always (ON / OFF) UP Below 1 Ω
      4 (DU) - 7 (BW)
      1 (E) - 9 (DD) Always (ON / OFF) AUTO UP Below 1 Ω
      4 (DU) - 7 (BW)
      1 (E) - 4 (DU) Always (ON / OFF) OFF Below 1 Ω
      1 (E) - 9 (DD)
      1 (E) - 4 (DU) Always (ON / OFF) DOWN Below 1 Ω
      7 (BW) - 9 (DD)
      1 (E) - 4 (DU) Always (ON / OFF) AUTO DOWN Below 1 Ω
      7 (BW) - 9 (DD)

      Passenger switch 

      TERMINALS RESISTANCE SPECIFICATION (PASSENGER SWITCH)

      Tester Connection Window Lock Switch Condition Power Window Switch Condition Specified Condition
      1 (E) - 15 (PD) OFF UP Below 1 Ω
      6 (B) - 13 (PU)
      1 (E) - 13 (PU) OFF OFF Below 1 Ω
      1 (E) - 15 (PD)
      1 (E) - 13 (PU) OFF DOWN Below 1 Ω
      6 (B) - 15 (PD)
      1 (E) - 15 (PD) ON UP 10 kΩ or higher
      6 (B) - 13 (PU) Below 1 Ω
      13 (PU) - 15 (PD) ON OFF Below 1 Ω
      1 (E) - 13 (PU) ON DOWN 10 kΩ or higher
      6 (B) - 15 (PD) Below 1 Ω

      Rear LH switch 

      TERMINALS RESISTANCE SPECIFICATION (REAR LH SWITCH)

      Tester Connection Window Lock Switch Condition Power Window Switch Condition Specified Condition
      1 (E) - 10 (RLD) OFF UP Below 1 Ω
      6 (B) - 12 (RLU)
      1 (E) - 12 (RLU) OFF OFF Below 1 Ω
      1 (E) - 10 (RLD)
      1 (E) - 12 (RLU) OFF DOWN Below 1 Ω
      6 (B) - 10 (RLD)
      1 (E) - 10 (RLD) ON UP 10 kΩ or higher
      6 (B) - 12 (RLU) Below 1 Ω
      12 (RLU) - 10 (RLD) ON OFF Below 1 Ω
      1 (E) - 12 (RLU) ON DOWN 10 kΩ or higher
      6 (B) - 10 (RLD) Below 1 Ω

      Rear RH switch 

      TERMINALS RESISTANCE SPECIFICATION (REAR RH SWITCH)

      Tester Connection Window Lock Switch Condition Power Window Switch Condition Specified Condition
      1 (E) - 16 (RRD) OFF UP Below 1 Ω
      6 (B) - 18 (RRU)
      1 (E) - 18 (RRU) OFF OFF Below 1 Ω
      1 (E) - 16 (RRD)
      1 (E) - 18 (RRU) OFF DOWN Below 1 Ω
      6 (B) - 16 (RRD)
      1 (E) - 16 (RRD) ON UP 10 kΩ or higher
      6 (B) - 18 (RRU) Below 1 Ω
      18 (RRU) - 16 (RRD) ON OFF Below 1 Ω
      1 (E) - 18 (RRU) ON DOWN 10 kΩ or higher
      6 (B) - 16 (RRD) Below 1 Ω

      If the result is not as specified, replace the master switch assembly.

    2. Apply battery voltage to the master switch and check that the AUTO light illuminates.
      Fig 2: Identifying AUTO Light Illumination Switch
      G04476773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) --> Terminal 11 (BDR)
      Battery negative (-) --> Terminal 1(E)      		 AUTO light illuminates

      If the result is not as specified, replace the master switch assembly.

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