Nissan Sentra Service Manual: Component parts

Nissan Sentra Service Manual / Driver controls / Defogger / System description / Component parts

Component parts location

Bcm (view with instrument panel removed)
Ipdm e/r (rear window defogger relay)
A/c auto amp. (View with a/c switch assembly removed)
A/C switch assembly (rear window defogger switch) (with auto A/C)
A/c switch assembly (rear window defogger switch) (without auto a/c)
A. Rear window defogger power connector b. Condenser (view with rear pillar finisher lh removed)
Rear window defogger ground connector (view with rear pillar finisher rh removed)
Door mirror lh (door mirror defogger) (if equipped) (rh similar)

Component description

Component	Description
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 and the door mirror defogger1 with the control signal from bcm.
A/c auto amp	Displays the rear window defogger on to the display when detecting the operation of the rear window defogger.
A/c switch assembly (rear window defogger switch)	The rear window defogger switch is turned ON.
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 defogger1	Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.

1: With heated mirrors

System

System Description Operation description A/C control transmits rear window defogger switch signal to A/C auto amp. when rear window defogger switch turns ON while ignition switch is ON. ...

Other materials:

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P2122, P2123 APP Sensor
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