Windshield Deicer does not Operate: Description

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