Home › Vehicle Exterior › Window/Glass › WINDOW DEFOGGER SYSTEM
Last Modified: 11-27-2007 1.6 D
Service Category: Vehicle Exterior Section: Window/Glass
Model Year: 2008 Model: LX570 Doc ID: RM000002ZCB00CX
Title: WINDOW / GLASS: WINDOW DEFOGGER SYSTEM: SYSTEM DESCRIPTION (2008 LX570)

SYSTEM DESCRIPTION

1. GENERAL

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

2. FUNCTION OF MAIN COMPONENT

Component

Outline

Defogger switch

Located on the display and navigation module display*1 or multi-display*2, it detects defogger switch operation and transmits signals to the air conditioning amplifier through the CAN communication line.

Defogger relay

Receives rear window defogger activation request signals from the air conditioning amplifier and supplies power to the rear window defogger.

Rear window defogger

Receives power from the defogger relay and heats the defogger wire.

*1: w/ Navigation System

*2: w/o Navigation System

3. DESCRIPTION

Function

Outline

Defog rear window surface
  • The defogger relay receives rear window defogger activation request signals from the air conditioning amplifier and defogs the rear window surface.
  • Receives power from the defogger relay and heats the defogger wire.