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Nissan Sentra B18 (2020-2025) Service Manual: System

System Description

System Description

SYSTEM DIAGRAM

AV Control Unit Input Signal (AV Communication)

Transmit unit

Signal name

Combination meter

Steering switch signal

AV Control Unit Input Signal (CAN Communication)

Transmit unit

Signal name

BCM

  • Auto ACC signal

  • Illumination request signal

  • Door switch signal

IPDM E/R

  • Ignition supply signal

  • Transmission range signal

ABS actuator and electric unit (Control unit)

Nissan Sentra Vehicle speed signal

Combination meter

Parking brake status signal

AUDIO SYSTEM

The audio system consists of the following components:

  • AV control unit

  • Front door speakers

  • Rear speakers

  • Steering switches

  • Microphone

  • Front auxiliary input jacks

  • Combination switch (spiral cable)

  • Combination meter

  • Window antenna (AM/FM antenna)

  • Antenna amp.

When the audio system is on, AM/FM signals received by the window antenna are sent to the antenna amp., amplified and sent to the AV control unit. The AV control unit then sends audio signals to the front door speakers and rear speakers.

Refer to Owner's Manual for audio system operating instructions.

HANDS-FREE PHONE SYSTEM

  • Bluetooth® control is built into AV control unit.

  • The connection between cellular phone and AV control unit is performed with Bluetooth® communication.

  • The voice guidance signal is input from the AV control unit and output to the front door speakers when operating the cellular phone.

When A Call Is Originated

  • Spoken voice sound output from the microphone (microphone signal) is input to AV control unit.

  • AV control unit outputs to cellular phone with Bluetooth® communication as a TEL voice signal.

  • Voice sound is then heard at the other party.

When Receiving A Call

  • Voice sound is input to own cellular phone from the other party.

  • TEL voice signal is input to AV control unit by establishing Bluetooth® communication from cellular phone, and the signal is output to front door speakers.

FRONT AUXILIARY INPUT JACKS

  • Sound and data signals are transmitted from USB interface to the AV control unit.

  • Sound signals are transmitted from AUX jack to the AV control unit.

  • The AV control unit outputs the sound signals to each speaker.

SPEED SENSITIVE VOLUME SYSTEM

Volume level of this system goes up and down automatically in proportion to the Nissan Sentra vehicle speed. The control level can be selected by the customer. Refer to Owner's Manual for operating instructions.

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