Operation CHARM: Car repair manuals for everyone.

Power Window Motor: Testing and Inspection

Driver's door:
INSPECT POWER WINDOW MOTOR OPERATION




a. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the motor turns clockwise.




b. Reverse the polarity, check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Passenger's door:
INSPECT POWER WINDOW MOTOR OPERATION




a. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the motor turns clockwise.




b. Reverse the polarity, check that the motor turns counterclockwise.
If operation is not as specified, replace the motor.

Driver's door:
INSPECT PTC OPERATION




a. Disconnect the connector from the window motor.
b. 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.
c. 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.




d. Continue to apply voltage, check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
e. Disconnect the leads from terminals.
f. 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.


Passenger's door:
INSPECT PTC OPERATION




a. Disconnect the connector from the power window switch.
b. 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.
c. 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.




d. Continue to apply voltage, check that the current changes from approximately 14 A to less than 1 A within 4 to 90 seconds.
e. Disconnect the leads from terminals.
f. Approximately 90 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the window begins to descend.
If operation is not as specified, replace the motor.