Mirror Heater Does Not Operate With Rear Defogger Switch

Mirror Heater does not Operate with Rear Defogger Switch

SYSTEM DESCRIPTION
The mirror heater operates when the following conditions are met: 1) the air conditioning amplifier sends a rear defogger switch signal through the CAN (can communication) line to the front door ECU LH and RH, and 2) the defogger operates.

WIRING DIAGRAM

Wiring Diagram:

INSPECTION PROCEDURE

Step 1:

Step 1(Continued) - 3:

Step 3(Continued) - 4:

Step 5: