LEMON Manuals: Even more car manuals for everyone
Home >> Infiniti >> 2024 >> QX50 Pure, 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Distribution System >> System Description >> System >> Auto Acc Function >> System Description

System Description

SYSTEM DIAGRAM 

GNSDB138391Courtesy of NISSAN NORTH AMERICA, INC.

Signal transmission function list 

Signal name Input Output Description
Key ID signal Remote keyless entry receiver BCM (LIN) Transmits the key ID signal via LIN communication.
Door request switch signal Each door request switch BCM Transmits the door request switch signal to the BCM.
Push-button ignition switch signal Push-button ignition switch BCM Transmits the push-button ignition switch signal to the BCM.
Door switch signal Each door switch BCM Transmits the door switch signal to the BCM.

DESCRIPTION 

In conventional vehicles, power is supplied to the accessories of the vehicle after the push-button ignition switch is placed to ACC. The AUTO ACC function is a function that bypasses the push-button ignition switch ACC status and automatically distributes the accessory power supply to each switch and unit by door unlock operation, etc. using the Intelligent Key.

OPERATION FLOW 

GNSDB138649Courtesy of NISSAN NORTH AMERICA, INC.

Push-button ignition Switch On Status 

In this status the push-button ignition switch is operated and placed to ON.

Audio / Navigation Available Status 

Audio / navigation use intention check status 

This is a status for checking the intention of using audio or navigation again after audio or navigation are stopped.

Audio / navigation unavailable status 

In this status audio or navigation become unavailable, but the switches and units other than those for audio or navigation that can operate using the accessory power source are available until the accessory power source turns OFF.

OFF status 

In this status the AUTO ACC function stops and power to the accessories is not supplied.

No. Function status Shifting condition Accessory power source
SYMBOL
  • Shifting from "OFF status" to "Push-button ignition switch ON status"
  • Shifting from "Audio / navigation unavailable status" to "Push-button ignition switch ON status"
  • Shifting from "Audio / navigation use intention confirmation status" to "Push-button ignition switch ON status"
Place the push-button ignition switch ON from OFF. OFF → ON
SYMBOL
  • Shifting from "OFF status" to "Audio / navigation available status"
  • Shifting from "Audio / navigation unavailable status" to "Audio / navigation available status"
Operate either the door request switch or the unlock button of the Intelligent Key to unlock the door. OFF → ON
SYMBOL Shifting from "Push-button ignition switch ON status" to "Audio / navigation available status" Place the push-button ignition switch OFF from ON while the front door LH is closed. ON
SYMBOL Shifting from "Audio / navigation available status" to "Push-button ignition switch ON status" Place the push-button ignition switch ON from OFF. ON
SYMBOL "Audio / navigation available status" Time extension (10 minutes) Operate audio or navigation. ON
SYMBOL Shifting from "Push-button ignition switch ON status" to "Audio / navigation use intention confirmation status" Place the push-button ignition switch OFF from ON while the front door LH is open. ON
SYMBOL Shifting from "Audio / navigation available status" to "Audio / navigation use intention confirmation status" When any of the following conditions are satisfied:
  • Close all doors, and lock all doors with the Intelligent Key or door request switch.
  • Ten minutes pass from "Audio / navigation available status."
  • Open front door LH.
ON
SYMBOL Shifting from "Audio / navigation use intention confirmation status" to "Audio / navigation available status" When any of the following conditions are satisfied:
  • Operate either the door request switch or the unlock button of the Intelligent Key to unlock the door.
  • Operate audio or AV control unit power switch
ON
SYMBOL Shifting from "Audio / navigation available status" to "Audio / navigation unavailable status" Thirty minutes pass from "Audio / navigation available status." ON
SYMBOL Shifting from "Audio / navigation use intention confirmation status" to "Audio / navigation unavailable status" When any of the following conditions are satisfied:
  • Two minutes pass from "Audio / navigation use intention confirmation status."
  • In "Audio / navigation use intention confirmation status," 30 minutes pass after "Audio / navigation available status" is satisfied.
ON
SYMBOL Shifting from "Audio / navigation unavailable status" to "OFF status" One minute passes from "Audio / navigation unavailable status." ON → OFF
SYMBOL Shifting from "OFF status" to "Audio / navigation unavailable status" Front door LH is opened or closed. OFF → ON
SYMBOL "Audio / navigation unavailable status" time extension (1 minute) Front door LH is opened or closed. ON