Rear Window Defogger System does not Operate: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
- w/ Navigation System
When the rear window defogger switch, which is built into the multi-display assembly, is operated, the operation signals are transmitted to the A/C amplifier assembly through AVC-LAN and BEAN When the A/C amplifier assembly receives the signals, it turns on the DEFOG relay to operate the rear window defogger.
- w/o Navigation System
When the rear window defogger switch, which is built into the integration control and panel assembly, is operated, the operation signals are transmitted to the A/C amplifier assembly through AVC-LAN and BEAN. When the A/C amplifier assembly receives the signals, it turns on the DEFOG relay to operate the rear window defogger.