Nissan Rogue (T33) 2021-Present Service Manual: System Description :: Component Parts. Defogger System

Nissan Rogue (T33) 2021-Present Service Manual / Driver Controls :: Defogger / System Description :: Component Parts. Defogger System

Defogger System

Component Parts Location

A. View of engine compartment lower left B. View of Fuse block (J/B) (fuse block (J/B) removed) Nissan Ariya Vehicle front
No. Component Function
1. Rear window defogger Refer to Rear Window Defogger.
2. Rear window defogger condenser Reduce the noise of rear window defogger operation.
3.

AC switch assembly

(Rear window defogger switch)

  • Rear window defogger switch is installed.

  • Turns the indicator lamp ON when detecting the operation of rear window defogger

Refer to Component Parts Location (with automatic air conditioning), or Component Parts Location (with manual air conditioning) for detailed component location.
4. Door mirror RH (mirror defogger) (if so equipped) Refer to Door Mirror Defogger.
5. A/C amp.

  • A/C amp. transmits rear window defogger switch signal to BCM via CAN communication.

  • A/C amp. transmits rear window defogger feedback signal to A/C switch assembly.

Refer to Component Parts Location (with automatic air conditioning), or Component Parts Location (with manual air conditioning) for detailed component location.
6. Wiper deicer (if so equipped) Refer to Wiper Deicer.
7. BCM (Body Control Module)

  • Receives rear window defogger switch signal.

  • Performs the timer control of rear window defogger.

Refer to Component Parts Location for detailed component location.
8. Door mirror LH (mirror defogger) (if so equipped) Refer to Door Mirror Defogger.
9. Stop lamp relay and wiper deicer relay (wiper deicer relay) (if so equipped) Operates the wiper deicer with the control signal from BCM.
10. Rear window defogger relay Operates the rear window defogger, door mirror defogger and the wiper deicer with the control signal from BCM.

Rear Window Defogger

COMPONENT FUNCTION WITHIN SYSTEM

Heats the heating wire with the power supply from the rear window defogger relay to prevent the rear window from fogging up.

INDIVIDUAL COMPONENT FUNCTION

Heats the heating wire.

COMPONENT OPERATION

When the rear window defogger switch is turned ON, current flows to the rear window defogger, heating the heat wires.

COMPONENT PARTS LOCATION

Contained inside the back door window glass.

Refer to Component Parts Location.

Door Mirror Defogger

COMPONENT FUNCTION WITHIN SYSTEM

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.

INDIVIDUAL COMPONENT FUNCTION

Heats the heating wire.

COMPONENT OPERATION

When the rear window defogger switch is turned ON, current flows to the mirror defogger, heating the heat wires.

COMPONENT PARTS LOCATION

Contained inside the glass mirror.

Refer to Component Parts Location.

Rear Window Defogger Relay

COMPONENT FUNCTION WITHIN SYSTEM

This relay activates according to the rear window defogger relay control signal that is controlled by BCM, and activates the defogger system.

INDIVIDUAL COMPONENT FUNCTION

It turns the relay switch ON/OFF and sends a current from the battery to the defogger system.

COMPONENT OPERATION

The rear window defogger relay utilizes a normal open relay.

COMPONENT PARTS LOCATION

The rear window defogger relay is installed to the fuse block (J/B).

Refer to Component Parts Location.

Wiper Deicer

Heats the heating wire with the power supply from the wiper deicer relay to thaw by heating of wiper blade and glass.

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