2009 Scion xD AutomaticFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR (SWITCH INPUT POWER SUPPLY) 
    1. Disconnect the J1 power window regulator master switch assembly connector.
    2. Turn the ignition switch ON.
    3. Measure the voltage of the wire harness side connector.

      Standard voltage 

      STANDARD VOLTAGE SPECIFICATIONS

      Tester Connection Switch Condition Specified Condition
      J1-6 (B) - J1-1 (E) Ignition switch ON 11 to 14 V
    4. Reconnect the power window regulator master switch assembly connector.

    NG: CHECK AND REPLACE POWER SOURCE AND WIRE HARNESS 

    Fig 1: Identifying J1 Power Window Regulator Master Switch Connector Terminals
    G05403022Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: Go to Next Step 

  2. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY 
    1. Remove the power window regulator master switch assembly.
    2. Measure the resistance of the switch when the switch is operated.
      Fig 2: Identifying Power Window Regulator Master Switch Assembly
      G05391251Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD VOLTAGE SPECIFICATIONS

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

    NG: REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY  (See REMOVAL  )

    OK: Go to Next Step 

  3. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - MOTOR (FRONT LH)) 
    1. Disconnect the J1 power window regulator master switch assembly connector.
    2. Disconnect the J3 front power window regulator motor assembly LH connector.
      Fig 3: Identifying J1 And J3 Connector Terminals
      G05403024Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance of the wire harness side connectors.

      Standard resistance 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Condition Specified Condition
      J1-4 (D) - J3-1 (D) Always Below 1 Ω
      J1-3 (U) - J3-2 (U) Always Below 1 Ω
      J1-4 (D) or J3-1 (D) - Body ground Always 10 kΩ or higher
      J1-3 (U) or J3-2 (U) - Body ground Always 10 kΩ or higher
    4. Reconnect the J1 power window regulator master switch assembly connector.
    5. Reconnect the J3 front power window regulator motor assembly LH connector.

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH  (See REMOVAL  )

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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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