Window Defogger System System Description

Vehicle Exterior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Window Glass. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. GENERAL

  1. FUNCTION OF MAIN COMPONENT

  1. DESCRIPTION

Window Defogger System -- System Description



GENERAL
The defogger system thin heater wires 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.

FUNCTION OF MAIN COMPONENT

Component
Outline
Defogger switch
Located on the air conditioning control assembly*1 or multi-display assembly*2, it detects defogger switch operation and transmits signals to the air conditioning amplifier assembly through the LIN communication line*1 or CAN communication line and UART communication line*2.
Defogger relay
Receives rear window defogger activation request signals from the air conditioning amplifier assembly and supplies power to the rear window defogger.
Rear window defogger
Receives power from the defogger relay and heats the defogger wire.
HINT:
*1: w/o Navigation System
*2: w/ Navigation System

DESCRIPTION

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