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Home >> Lexus >> 2005 >> SC 430 >> Repair and Diagnosis >> Accessories & Equipment >> Heated Glass/Defoggers >> Defogger System - Diagnostics >> Rear Window Defogger Does Not Operate >> Circuit Description

Circuit Description

When the A/C amplifier defogger switch is pressed, a signal is sent via the BEAN to the luggage room J/B ECU. Then the luggage room J/B ECU operates the rear window defogger.

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