(9) - Inspect PTC Operation (Driver's Door)

WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the connector from the window motor.
Connect the positive (+) lead from the ammeter to terminal 1 of the wire harness side connector and the negative (-) lead to negative terminal of the battery.

Fig 1: Testing Driver's Door PTC (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Connect the positive (+) lead from the battery to terminal 2 of the wire harness side connector, and raise the window to the fully closed position.

Fig 2: Testing Driver's Door PTC (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Continue to apply voltage, check that the current changes from approximately 14 A to less than 1 A within 4-90 seconds.
Disconnect the leads from terminals.
Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 1 and negative (-) lead to terminal 2, check that the window begins to descend.

If operation is not as specified, replace the motor.