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Windshield Deicer does not Operate: Description

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

When the windshield deicer switch is turned ON, a front window deicer activation request signal from the air conditioning amplifier is sent via the CAN line to the front controller Then the front controller operates the windshield deicer.

HINT:

This circuit uses the CAN communication line. Before performing the inspection, check that the CAN communication system is functioning normally.

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