2008 Toyota Matrix Base, StandardFACTORY OEM SERVICE PROCEDURE

Power Window Regulator Motor: Inspection

  1. INSPECT POWER WINDOW REGULATOR MOTOR ASSEMBLY 
    1. Inspect the regulator motor operation.

      HINT:

      • The driver's side and rear RH regulator motors should be inspected in the same procedure.
      • The passenger's side and rear LH regulator motors should be inspected in the same procedure.
        1. Check that the motor operates smoothly when battery positive voltage is applied to each terminal of the connector.
          Fig 1: Inspecting Power Window Regulator Motor Operation
          G05196248Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

          Standard: Driver's side and rear RH side 

          MEASURING SPECIFIED CONDITION

          Measurement Condition Specified Condition
          Battery positive (+) → Terminal 4
          Battery negative (-) → Terminal 5          		 Clockwise toward driving axis
          Battery positive (+) → Terminal 5
          Battery negative (-) → Terminal 4          		 Counterclockwise toward driving axis

          Front passenger's side and rear LH side 

          MEASURING SPECIFIED CONDITION

          Measurement Condition Specified Condition
          Battery positive (+) → Terminal 5
          Battery negative (-) → Terminal 4          		 Clockwise toward driving axis
          Battery positive (+) → Terminal 4
          Battery negative (-) → Terminal 5          		 Counterclockwise toward driving axis

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

    2. Inspect the PTC operation inside the regulator motor.
      NOTE: The inspection should be performed with the power window regulator and door glass installed to the vehicle.
      1. Set a DC 400 A probe of the TOYOTA electrical tester to terminal 4 or 5 of the wire harness.
        NOTE: Match the arrow mark of the probe with the current direction.
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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.