Jam Protection Limit Switch Circuit

Jam Protection Limit Switch Circuit

CIRCUIT DESCRIPTION
Jam protection limit switch is built-in the power window motor. This switch functions to turn "OFF" before the top dead center, and ECU reads this "OFF" signal resulting in closing the window fully.





WIRING DIAGRAM

Step 1:

Step 2:

Step 3:

INSPECTION PROCEDURE

HINT: In case of using the LEXUS hand-held tester, start the inspection from step 1 and in case of not using the LEXUS hand-held tester, start from step 2.


Resetting method of the motor for jam protection.
^ When replacing the motor from the regulator or running the motor, make sure to reset the motor.
^ This operation sets the limit switch OFF.
^ Connect the motor connector to the vehicle side harness.
^ Rotate the motor from 6 turns to 10 turns or for 4 - 5 secs moving it to the glass ascending direction.

HINT: Rotating the motor from 6 turns to 10 turns or for 4 - 5 secs. sets the limit switch to "OFF". (Top dead center of the door glass.)