SYSTEM DESCRIPTION

Troubleshooting

GENERAL

The defogger system's thin heater wires are attached to the inside of the rear window and defog the window surface quickly. The indicator light illuminates while the system is operating. The system automatically turns off after approximately 15 minutes.

HINT:
: The rear window defogger is linked with the mirror defogger.

FUNCTION OF MAIN COMPONENT

Component	Outline
RR-DEF Relay	Receives rear defogger activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to rear window defogger.
Rear Window Defogger	Receives power from DEFOG relay and heats defogger wire.
w/ Deicer Deicer Relay	Receives front deicer activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to front window deicer.
w/ Deicer Front Window Deicer	Receives power from DEICER relay and heats deicer wire.

DESCRIPTION

Function

Outline

Defogs the rear window surface

Receives rear defogger activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to rear window defogger.

Receives power from DEFOG relay and heats defogger wire.

Defogs the front window surface

Receives front deicer activation request signals from A/C amplifier assembly (A/C ECU) and supplies power to front window deicer.

Receives power from DEICER relay and heats deicer wire.