Driver's Door:

WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW MOTOR CIRCUIT (See POWER WINDOW MOTOR CIRCUIT ) .

Fig 1: Inspecting Power Window Motor Circuit (Driver Door)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT JAM PROTECTION LIMIT SWITCH CIRCUIT (See JAM PROTECTION LIMIT SWITCH CIRCUIT ) .

INSPECT JAM PROTECTION PULSE SWITCH OPERATION

Connect the positive (+) lead from the TOYOTA electrical tester to terminal 3 and the negative (-) lead to terminal 5.
Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2.
Check that pulse is generated during the motor running.

Fig 1: Inspecting Jam Protection Pulse Switch Operation (Driver Door) (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Reverse the polarity and check that pulse is generated.
If pulse is not generated, replace the motor.

Fig 2: Inspecting Jam Protection Pulse Switch Operation (Driver Door) (2 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE: If connecting the wire harness wrongly, the sensor might be damaged so caution is necessary.

INSPECT JAM PROTECTION PULSE SWITCH CIRCUIT (See JAM PROTECTION PULSE SWITCH CIRCUIT ) .