Component Description

WARNING: This page is about a different car, the 2019 Nissan Armada and 2018 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

BCM	Detects rear window defogger switch signal and transmits rear window defogger control signal to IPDM E/R via CAN communication. Performs the timer control of rear window defogger.
IPDM E/R	The rear window defogger relay is installed. Receives rear window defogger control signal from BCM via CAN communication. Controls rear window defogger relay to operate rear window defogger, wiper deicer relay* ¹ and door mirror defogger* ² .
Multifunction Switch	The rear window defogger switch is installed. The rear window defogger is operated by turning the rear window defogger switch ON. Turns the indicator lamp ON when detecting the operation of rear window defogger.
AV Control Unit	Displays the rear window defogger ON to the display 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.
Door Mirror Defogger	Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.
Wiper Deicer	Heats the heating wire with the power supply from the wiper deicer relay to thaw by freezing of wiper blade and glass.
Wiper Deicer Relay	Power is supplied to the wiper deicer with rear window defogger relay control.

* ¹ : For models with wiper deicer.

* ² : For models with door mirror defogger.