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Home >> Lexus >> 2005 >> GX 470 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> DTC B1221: Power Window Switch Circuit On Driver Door >> Circuit Description

Circuit Description

DTC B1221 is output when switches of the power window master switch are on. When these switches are off, DTC B1221 is not output. Using DTC B1221, you can check whether these switches are normal or not.

DTC DETECTION CONDITION TROUBLE AREA TABLE

DTC No. DTC Detection Condition Trouble Area
B1221 Any power window switch or door lock switch on master switch is operating Power window regulator master switch assy (D-door ECU)
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