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Home >> Nissan-Datsun >> 2021 >> Altima SL, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Defogger) >> System Description >> Component Location >> Defogger System >> Component Location

Component Location

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GNSALLIA0322Z-322Courtesy of NISSAN NORTH AMERICA, INC.

A.

View with RR pillar finisher removed

B.

A/C switch assembly

C.

View from front of instrument panel

D.

View with RL pillar finisher removed

No.

Component

Function

1.

Rear window defogger

Refer to Component Description .

2.

Door mirror defogger RH (if equipped)

Refer to Component Description .

3.

A/C Amp. (with manual A/C) / A/C Auto Amp. (with automatic A/C)

  • A/C Amp. or A/C Auto Amp. transmits rear window defogger switch signal to BCM via CAN communication.
  • Display control unit transmits rear window defogger feedback signal to A/C switch assembly.

Refer to COMPONENT DESCRIPTION (with Automatic A/C), or COMPONENT DESCRIPTION (with Manual A/C) for detailed installation location.

4.

Door mirror defogger LH (if equipped)

Refer to Component Description .

5.

Rear window defogger ground

Completes electrical circuit for rear window defogger operation.

6.

A/C switch assembly (with automatic A/C)

(Rear window defogger switch)

  • Rear window defogger switch is integrated into the switch assembly.
  • Turns the indicator lamp ON when detecting the operation of rear window defogger.

Refer to COMPONENT DESCRIPTION .

7.

A/C switch assembly (with manual A/C)

(Rear window defogger switch)

  • Rear window defogger switch is integrated into the switch assembly.
  • Turns the indicator lamp ON when detecting the operation of rear window defogger.

Refer to COMPONENT DESCRIPTION .

8.

BCM

  • Receives rear window defogger switch signal.
  • Performs the timer control of rear window defogger.

Refer to Component Description .

9.

Fuse Block (J/B)

Rear window defogger system fuses and relay are located here.

10.

Rear window defogger relay

Operates the rear window defogger and door mirror defogger (if equipped) with the control signal from BCM.

11.

Rear window defogger condenser

Reduces the electrical noise of rear window defogger operation.