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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 529 (Window Defogger System) >> System Diagram >> Description
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System Diagram: Description

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

The defogger system and rear view mirror system use heater wires to defog the rear windshield and rear view mirror, respectively. The defogger & mirror heater switch operates both the defogger system and the rear view heater system. Both systems are part of the same circuit.

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