Rear Window Defogger System does not Operate: Description

When the rear window defogger switch, which is built into the heater control assembly*1 or multi-display*2, is operated, the operation signals are transmitted to the A/C amplifier assembly through LIN*1 or CAN*2. When the A/C amplifier assembly receives the signals, it turns on the RR DEF relay to operate the rear window defogger.

• *1: w/o Navigation System
• *2: w/ Navigation System