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Home >> Toyota >> 2003 >> Highlander Base, 2.4 D, FWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostics >> Testing >> DTC B1221/21 Power Window Switch Circuit On Driver Door >> Circuit Description
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Circuit Description

This DTC is output when any switch of the power window regulator master switch assembly (door ECU) is ON.

DTC B1221/21 DESCRIPTION

DTC No. DTC Detecting Condition Trouble Area
B1221/21 Any Switch Of The Power Window Regulator Master Switch Is ON Power Window Regulator Master Switch Assembly (Door ECU)
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