Heated Glass Element: Description and Operation

REAR WINDOW DEFOGGER

System Description

TIMER FUNCTION
The rear window defogger system is controlled by the BCM. Power is supplied at all times
- through 20A fuse[NO.10, located in the fuse block (J/B)]
- to the rear window defogger and door mirror defogger relay terminal NO.6, and
- through 20A fuse[NO.11, located in the fuse block (J/B)]
- to the rear window defogger and door mirror defogger relay terminal NO.3. With the ignition switch in the ON or START position, power is supplied
- through 10A fuse[NO.1, located in the fuse block (J/B)]
- to BCM terminal NO.68
- to the rear window defogger and door mirror defogger relay terminal NO.1, and When the rear defogger switch in the multifunction switch is ON, ground is supplied
- through terminal NO.5 of the multifunction switch
- to BCM terminal NO.10.

Terminal NO.144 of the BCM then supplies ground to the rear window defogger and door mirror defogger relay terminal NO.2.

With power and ground supplied, the rear window defogger and door mirror defogger relay is energized to operate rear window defogger for about 15 minutes.

When the system is activated, the rear window defogger indicator in the rear defogger switch illuminates. Power is supplied
- from rear window defogger and door mirror defogger relay terminal NO.5 and NO.7
- to multifunction switch terminal NO.6.