Power Window Master Switch Circuit

WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the connectors from the power window master switch and inspect the connector on the wiring harness side. See CONNECTOR IDENTIFICATION . See INSPECTING POWER WINDOW MASTER SWITCH CIRCUIT table. If the circuit is not as specified, replace the switch. See Figure.

INSPECTING POWER WINDOW MASTER SWITCH CIRCUIT

Tester Connection	Condition	Specified Condition
9 - Ground	Constant	Continuity
1, 5 - Ground	Constant	B+ Voltage
2, 4 - Ground	Ignition Switch LOCK	No Voltage
2, 4 - Ground	Ignition Switch ACC Or ON	B+ Voltage

Inspect the power window master switch circuit. See POWER WINDOW MASTER SWITCH CIRCUIT under CIRCUIT TESTS in appropriate BODY CONTROL SYSTEM article.