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Home >> Lexus >> 2000 >> LS 400 V8-4.0L (1UZ-FE) >> Repair and Diagnosis >> Body and Frame >> Body Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Driver Door Control System >> Power Window Master Switch Circuit
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Power Window Master Switch Circuit

CIRCUIT DESCRIPTION
Power window master switch circuit can be checked using DTC check.

These DTC notify how switch works as follows:
If DTC is not output when operating switch, it means failure of switch contact. If DTC is output when not operating switch, it means stick of switch. When something wrong is found by this diagnosis, inspect each switch. Then replace the switch if there is a problem. or check the wire harness if there is no problem.

Wiring Diagram:






Steps 1 - 3:




INSPECTION PROCEDURE