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Home >> Nissan-Datsun >> 2023 >> Rogue Midnight Edition, AWD >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Distribution System >> System Description >> System >> Auto Acc Function >> System Description

System Description

SYSTEM DIAGRAM 

GNSDB34066Courtesy of NISSAN
Component Function
Intelligent Key Operates based on the results of electronic ID verification using two-way communication between the Intelligent Key and the vehicle (Intelligent Key unit).
Door request switch Detects door lock/unlock operation.
Push-button ignition switch Refer to Push-button Ignition Switch .
Door switch Detects door open/close condition.
Combination switch (Lighting and turn signal switch) Inputs the each switch condition signal to BCM.
Front power window motor LH Transmits front power window open/close signal to BCM via LIN communication.
Intelligent Key unit Transmits push-button ignition switch status signal and door lock/unlock request signal to BCM via CAN communication.
ABS actuator and electric unit (control unit) Transmits vehicle speed signal (ABS) to BCM via CAN communication.
TCU Transmits auto ACC request signal to BCM via CAN communication.
BCM BCM operates the auto ACC function based on each signal state.
Accessory relay Controlled by BCM and turns ON/OFF the battery power supply to each switch and unit.
Audio/Navigation
  • Transmits auto ACC request signal to the BCM via CAN communication.
  • Auto ACC status signal received from BCM via CAN communication.

DESCRIPTION 

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

OPERATION FLOW 

GNSDB35738Courtesy of NISSAN

Ignition switch ON state 

In this status the ignition switch is operated and placed ON.

Audio/Navigation use possible state 

Audio/Navigation preparation state 

Function OFF state 

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

No. Function status Shifting condition Accessory power supply
SYMBOL Shifting from "Function OFF state" to "Ignition switch ON state" Any of the following conditions is satisfied:
  • Place the ignition switch ON from OFF.
  • Operate push-button ignition switch and start the engine.
 OFF -> ON
Shifting from "Audio/Navigation preparation state" to "Ignition switch ON state" ON
Shifting from "Audio/Navigation use possible state" to "Ignition switch ON state" ON
SYMBOL Shifting from "Function OFF state" to "Audio/Navigation preparation state" Any of the following conditions is satisfied:
  • Each door is opened or closed.
  • Close all doors, and lock all doors with the Intelligent Key or door request switch.
  • Operate either the door request switch or the unlock button of the Intelligent Key to unlock the door.
  • Operate lighting switch and turn ON the tail lamp.
  • Software update of the AV control unit.
  • Map data update.
 OFF -> ON
SYMBOL Shifting from "Audio/Navigation preparation state" to "Audio/Navigation use possible state" Operate audio/navigation. ON
SYMBOL Shifting from "Ignition switch ON state" to "Audio/Navigation use possible state" Place the ignition switch OFF from ON while driver door is close with vehicle speed is less than 3 km/h. ON
SYMBOL Shifting from "Ignition switch ON state" to "Audio/Navigation preparation state" Place the ignition switch OFF from ON while driver door is open with vehicle speed is less than 3 km/h. ON
SYMBOL Shifting from "Audio/Navigation use possible state" to "Audio/Navigation preparation state" Any of the following conditions is satisfied:
  • Driver door is opened.
  • Close all doors, and lock all doors with the Intelligent Key or door request switch.
  • 10 minutes pass from "Audio/Navigation use possible state".
 ON
SYMBOL Shifting from "Audio/Navigation use possible state" to "Function OFF state" 30 minutes pass from "Audio/Navigation use possible state". ON -> OFF
SYMBOL Shifting from "Audio/Navigation preparation state" to "Function OFF state" 1 minutes or 3 minutes pass from "Audio/Navigation preparation state". ON -> OFF
SYMBOL Shifting from "Audio/Navigation preparation state" time extension (1 minute) Any of the following conditions is satisfied:
  • Each door is opened or closed.
  • Close all doors, and lock all doors with the Intelligent Key or door request switch.
  • Operate either the door request switch or the unlock button of the Intelligent Key to unlock the door.
  • Operate lighting switch and turn ON the tail lamp.
  • Operate power window main switch and open/close the front power window LH.
  • Software update of the AV control unit.
  • Map data update.
 ON
SYMBOL Shifting from "Ignition switch ON state" (in status of emergency stop) to "Audio/Navigation use possible state" Vehicle speed is less than 3 km/h and except driver door is opened. ON
SYMBOL Shifting from "Ignition switch ON state" (in status of emergency stop) to "Audio/Navigation preparation state" Vehicle speed is less than 3 km/h and driver door is opened. ON
SYMBOL Shifting from "Ignition switch ON state" (in status of temporarily disabling the ignition battery saver) to "Audio/Navigation use possible state" Press and hold the push-button ignition switch continuously for 3 seconds or more when all of the following conditions are satisfied:
  • Brake pedal: Not depressed
  • Driver door: Close
 ON
SYMBOL Shifting from "Ignition switch ON state" (in status of temporarily disabling the ignition battery save) to "Audio/Navigation preparation state" Press and hold the push-button ignition switch continuously for 3 seconds or more when all of the following conditions are satisfied:
  • Brake pedal: Not depressed
  • Driver door: Open
 ON
SYMBOL Shifting from "Function OFF state" to "Audio/Navigation use possible state" Operate telematics system. OFF -> ON
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