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Home >> Lexus >> 2006 >> GX 470 >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Mirror) >> Power Mirror Control System >> Mirror Heater does not Operate with Rear Defogger Switch >> System Description

System Description

WARNING: This page is about a different car, the 2006 Lexus GS 430 and 2006 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

The mirror heater operates when the following conditions are met: 1) the A/C amplifier sends a rear defogger switch signal through the multiplex communication line to the front multiplex network door ECU LH and RH, and 2) the defogger operates.

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