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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 155 (Power Window Control System - Diagnostics) >> Power Window Regulator Switch Circuit (Rear RH Door) >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition switch is ON, the power window regulator switch monitors the signal via drives the power window motor.

NOTE: Power window system has a function with a large-scale body multiplex communications. First of all, inspect the communication function depending on the "how to proceed with troubleshooting", and check that there is no abnormality in the communication system. Then finally proceed with the troubleshooting. Also, if the power window system has a malfunction in the jam protection function, the AUTO operations are prohibited. Because of this, confirm the diagnostic code is normal before the troubleshooting.
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