Heated Windshield Defroster 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

Heated Windshield Defroster System -- System Description



GENERAL
The heated windshield defroster system's thin heater wires are attached to the windshield glass and defrost the windshield glass surface quickly.

FUNCTION OF MAIN COMPONENT

Component
Outline
Deicer switch
Located on the air conditioning control assembly*1 or multi-display assembly*2, it detects deicer 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
The heated windshield defroster system operates together with the deicer switch
HWD relays
Receives operation signals from the DEICER relay and supplies electricity to the thin heater wires
Windshield glass (heated windshield defroster)
Receives power from HWD relays and heats thin heater wires
  1. *1: w/o Navigation System
  2. *2: w/ Navigation System