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Home >> Infiniti >> 2023 >> QX50 Pure, 4WD >> Repair and Diagnosis >> Body & Frame >> Exterior/Interior Trim >> Door And Lock >> System Description >> System (Intelligent Key System) >> Remote Keyless Entry Function >> System Description
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System Description

SYSTEM DIAGRAM 

GNSDB58259Courtesy of NISSAN

System Description 

The Intelligent Key has the same functions as the remote control entry system. Therefore, it can be used in the same manner as the remote controller by operating the door lock/unlock button.

Signal transmission function list 

Signal name Input Output Description
Key ID signal Remote keyless entry receiver BCM Inputs Key ID signal to the BCM to activate/deactivate each door lock actuator.
Door switch signal Door switch BCM Inputs door switch signal and transmits it via CAN communication.
Push-button ignition switch signal Push-button ignition switch BCM Inputs push-button ignition switch signal and transmits it via CAN communication.
Door lock/unlock switch signal BCM Each door lock actuator Inputs door lock/unlock switch signal to the BCM to activate/deactivate each door lock actuator.
Turn indicator signal BCM Combination meter (CAN) Inputs turn indicator signal and transmits it via CAN communication.
Horn reminder signal BCM IPDM E/R (CAN) Inputs horn reminder signal to the IPDM E/R to activate the horn.
Back door open request switch signal BCM Automatic back door control module Inputs back door open request switch signal and transmits it via CAN communication.

OPERATION 

Remote keyless entry system controls operation of the following items:

OPERATION AREA 

The remote keyless entry operating range is approximately 60 m (197 ft) from the vehicle.

DOOR LOCK/UNLOCK FUNCTION 

OPERATION CONDITION 

If the following condition are satisfied, remote keyless entry operation is performed when the Intelligent Key is operated:

Remote controller operation Operation condition
Lock
  • Panic alarm is not activated.
  • P (Park) position warning is not activated.
Unlock Panic alarm is not activated.

SELECTIVE UNLOCK FUNCTION 

How to change selective unlock operation mode.SYMBOL CONSULT Selective unlock operation mode can be changed. Refer to CONSULT Function (BCM - DOOR LOCK) .

AUTO DOOR LOCK FUNCTION 

After door is unlocked by Intelligent Key button operation and if 60 seconds or more passes without performing the following operation, all doors are locked. However, operation check function does not activate.

Operating condition
  • Door switch is ON. (door is open)
  • Door is locked.
  • Push switch is pressed.

How to change auto door lock operation mode.SYMBOL CONSULT Auto door lock mode can be changed. Refer to CONSULT Function (BCM - INTELLIGENT KEY) .

HAZARD AND HORN REMINDER FUNCTION 

When doors are locked or unlocked by Intelligent Key, BCM blinks hazard warning lamps as a reminder.

The hazard and horn reminder has a horn chirp mode (C mode) and a non-horn chirp mode (S mode).

Operating Function of Hazard and Horn Reminder 

  C mode S mode
Intelligent Key operation Lock Unlock Lock Unlock
Hazard warning lamp blinks Twice Once Twice -
Horn sound Once - - -

Hazard and horn reminder does not operate in the following conditions:

How to Change Hazard and Horn Reminder Mode 

SYMBOL CONSULT Hazard and horn reminder operation mode can be changed. Refer to CONSULT Function (BCM - INTELLIGENT KEY) .SYMBOL CONSULT When LOCK and UNLOCK signals are sent from the Intelligent Key for more than 2 seconds at the same time, the hazard and horn reminder mode is changed and hazard warning lamp blinks and horn sounds as per the following items:

GNSDB43598Courtesy of NISSAN

AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION 

When back door button of Intelligent Key is pressed for 0.4 second or more, back door open automatically for detailed description, refer to System Description .

LIST OF OPERATION RELATED PARTS 

Parts marked with x are the parts related to operation.

Function Intelligent Key Door switch Door lock actuator Push-button ignition switch CAN communication system BCM IPDM E/R Horn Combination meter Hazard warning lamp Automatic back door control module Back door lock assembly
Door lock/unlock function x x x     x            
Selective unlock function x x x     x            
Auto door lock function x x x x   x            
Hazard and horn reminder function         x x x x x x    
Automatic back door open/close function x       x x         x x