Vehicle Exterior

System Description

~1min read
SYSTEM DESCRIPTION

1. WINDSHIELD DEICER SYSTEM DESCRIPTION

The windshield deicer system thin heater wires are attached to the inside of the front window and deice the 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

Engine room relay block, junction block (DEICER relay)

Receives front deicer activation request signals from the air conditioning amplifier assembly and supplies power to the front window deicer.

Outer mirror heater switch assembly (windshield deicer switch)

Sends signals to the air conditioning amplifier assembly to operate the deicer.

Windshield glass (windshield deicer wire)

Receives power from the DEICER relay and heats the windshield glass (windshield deicer wire).

Test yourself

A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.