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Power Window Control System: 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
      G04476736Courtesy 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
      G04476737Courtesy 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.

  2. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Measure the resistance of the switch when the switch is operated.

      Standard resistance 

      TERMINALS RESISTANCE SPECIFICATION

      Tester Connection Switch Condition Specified Condition
      1 - 2
      3 - 4      		 UP Below 1 Ω
      1 - 2
      3 - 5      		 OFF Below 1 Ω
      1 - 4
      3 - 5      		 DOWN Below 1 Ω

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

      Fig 3: Identifying Power Window Regulator Switch Connectors
      G04476738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front LH and Rear LH) 
    1. Apply battery voltage to connector terminals 1 and 2.
      NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
    2. Check that the motor gear rotates smoothly as follows.

      OK 

      MEASUREMENT CONDITION AND SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) --> Terminal 2
      Battery negative (-) --> Terminal 1      		 Motor gear rotates clockwise
      Battery positive (+) --> Terminal 1
      Battery negative (-) --> Terminal 2      		 Motor gear rotates counterclockwise

      If the result is not as specified, replace the regulator motor assembly.

      Fig 4: Checking Power Window Regulator Motor Assembly
      G04476739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front RH and Rear RH) 
    1. Apply battery voltage to connector terminals 1 and 2.
      NOTE: Do not apply battery voltage to any terminals except terminals 1 and 2.
    2. Check that the motor gear rotates smoothly as follows.

      OK 

      Fig 5: Checking Power Window Regulator Motor Assembly
      G04476740Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      MEASUREMENT CONDITION AND SPECIFIED CONDITION

      Measurement Condition Specified Condition
      Battery positive (+) --> Terminal 1
      Battery negative (-) --> Terminal 2      		 Motor gear rotates clockwise
      Battery positive (+) --> Terminal 2
      Battery negative (-) --> Terminal 1      		 Motor gear rotates counterclockwise

      If the result is not as specified, replace the regulator motor assembly.

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