2010 Toyota Yaris 4D Sedan, AutomaticFACTORY OEM SERVICE PROCEDURE

Driver Side Power Window does not Operate with Power Window Master Switch: Procedure

  1. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (DRIVER SWITCH) 
    1. 3 Door:
      Fig 1: Identifying Power Window Regulator Master Switch Connectors (3 Door)
      GTY239356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Inspect the driver switch.

      1. Remove the power window regulator master switch assembly.
      2. Measure the resistance of the switch when the switch is operated.

        Standard resistance

        Window Lock Switch Condition Power Window Switch Condition Tester Connection Specified Condition
        Always
        (ON / OFF)
        UP 7 (E) - 12 (D)
        10 (U) - 15 (B)
        Below 1 Ω
        Always
        (ON / OFF)
        OFF 7 (E) - 10 (U)
        7 (E) - 12 (D)
        Below 1 Ω
        Always
        (ON / OFF)
        DOWN 7 (E) - 10 (U)
        12 (D) - 15 (B)
        Below 1 Ω
        Always
        (ON / OFF)
        AUTO DOWN 7 (E) - 10 (U)
        12 (D) - 15 (B)
        Below 1 Ω
      3. Reinstall the power window regulator master switch assembly.
    2. Except 3 door:
      Fig 2: Identifying Power Window Regulator Master Switch Connectors (Except 3 Door)
      GTY211361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Inspect the driver switch.

      1. Remove the power window regulator master switch assembly.
      2. Measure the resistance of the switch when the switch is operated.

        Standard resistance

        Window Lock Switch Condition Power Window Switch Condition Tester Connection Specified Condition
        Always
        (ON / OFF)
        UP 1 (E) - 4 (D)
        3 (U) - 6 (B)
        Below 1 Ω
        Always
        (ON / OFF)
        OFF 1 (E) - 3 (U)
        1 (E) - 4 (D)
        Below 1 Ω
        Always
        (ON / OFF)
        DOWN 1 (E) - 3 (U)
        6 (B) - 4 (D)
        Below 1 Ω
        Always
        (ON / OFF)
        AUTO DOWN 1 (E) - 3 (U)
        6 (B) - 4 (D)
        Below 1 Ω
      3. Reinstall the power window regulator master switch assembly.

    NG → REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 

    OK: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - MOTOR (DRIVER SIDE)) 
    1. Disconnect the G1 power window regulator master switch assembly connector.
      Fig 3: Identifying Power Window Regulator Master Switch Connectors
      GTY239257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the G4 power window regulator motor assembly connector.
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance

      3 Door

      Tester Connection Specified Condition
      G1-12 (D) - G4-1 Below 1 Ω
      G1-10 (U) - G4-2 Below 1 Ω
      G1-12 (D) or G4-1 - Body ground 10 kΩ or higher
      G1-10 (U) or G4-2 - Body ground 10 kΩ or higher

      Except 3 door

      Tester Connection Specified Condition
      G1-4 (D) - G4-1 Below 1 Ω
      G1-3 (U) - G4-2 Below 1 Ω
      G1-4 (D) or G4-1 - Body ground 10 kΩ or higher
      G1-3 (U) or G4-2 - Body ground 10 kΩ or higher
    4. Reconnect the G1 power window regulator master switch assembly connector.
    5. Reconnect the G4 power window regulator motor assembly connector.

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  3. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE) 
    1. Remove the power window regulator motor assembly.
      Fig 4: Inspecting Power Window Regulator Motor Assembly (Driver Side)
      GTY238946Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Apply battery voltage to connector terminals 1 and 2.
      NOTE:

      Do not apply battery voltage to any terminals except terminals 1 and 2.

    3. Check that the motor gear rotates smoothly as follows.

      OK

      Measurement Condition Specified Condition
      Battery positive (+) → 1
      Battery negative (-) → 2
      Motor gear rotates counterclockwise
      Battery positive (+) → 2
      Battery negative (-) → 1
      Motor gear rotates clockwise
    4. Reinstall the power window regulator motor assembly

    NG → REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (DRIVER SIDE) 

    OK → GO TO  POWER WINDOWS DO NOT OPERATE AT ALL  

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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