Power Window Regulator Motor: Inspection

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.

Fig 1: Inspecting Regulator Motor Operation

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Check that the motor operates smoothly when battery positive voltage is applied to each terminal of the connector.

   Standard: 

   Driver's side and rear RH side 

   MEASUREMENT CONDITION CHART
   
   

   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 

   MEASUREMENT CONDITION CHART
   
   

   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.

1. Set a DC 400 A probe of the TOYOTA electrical tester to terminal 4 or 5 of the wire harness.
   Fig 2: Inspecting PTC Operation Inside Regulator Motor

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   NOTE: Match the arrow mark of the probe with the current direction.
2. Set the door glass to the fully closed position.
3. When 60 seconds have elapsed after the door glass is fully closed, pull the power window switch up once again. Check how long it takes for the current to change from approximately 16 to 34 A into 1 A or less.

   Standard: 

   Approximately 4 to 90 seconds 

4. When approximately 60 seconds have elapsed after the inspection of the current cut-off, check that the door glass moves down when the power window regulator DOWN switch is pushed.

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