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Home >> Lexus >> 2007 >> LS 460 >> Repair and Diagnosis >> External Pages >> Different car >> Section 687 (Defogger) >> System Description >> Rear Window Defogger System >> Component Description
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Component Description

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
BCM
  • Operates the rear window defogger with the operation of rear window defogger switch.
  • Performs the timer control of rear window defogger.
Rear window defogger relay
  • Operates the rear window defogger with the control signal from BCM.
Rear window defogger switch
  • The rear window defogger switch is turned ON.
  • Turns the indicator lamp ON when detecting the operation of rear window defogger.
Rear window defogger
  • Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.
Heated mirror relay(1) Operates the door mirror defogger with the control signal from IPDM E/R. Controlled simultaneously with the rear window defogger relay.
Door mirror defogger(1) The heating elements heat up when powered by the heated mirror relay to defog the door mirrors or prevent the door mirrors from fogging up.
(1) If equipped