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 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.

WIRING DIAGRAM

Wiring Diagram:

INSPECTION PROCEDURE

Step 1 - 2:

Step 3:

Step 4 - 6:

Step 6(Continued):