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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> Body & Frame >> Power Windows >> Component Tests >> Power Window Regulator Motor Assembly Limit Switch & Pulse Sensor Circuit (RH Rear Door) >> Circuit Description

Circuit Description

NOTE: The power window system uses a large-scale body multiplex communications system. First of all, confirm the communication function and check that there is no abnormality in the communication system. Also if the power window system has a malfunction in the jam protection function, the power window AUTO UP/DOWN does not operate and a diagnosis code is recorded. Confirm the diagnosis code.

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

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