Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSINFINITI2012M56 V8-5.6L (VK56VD)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYDESCRIPTION AND OPERATIONINTELLIGENT KEY SYSTEMDOOR LOCK FUNCTIONSYSTEM DESCRIPTION
2012 Infiniti M56 V8-5.6L (VK56VD)
System Description
2012 Infiniti M56 V8-5.6L (VK56VD)SECTION System Description
SYSTEM (INTELLIGENT KEY SYSTEM)
DOOR LOCK FUNCTION : System Description
Only when pressing the request switch, it is possible to lock and unlock the door by carrying the Intelligent
Key.
OPERATION DESCRIPTION
- When the BCM detects that each door request switch is pressed, it starts the outside key antenna and inside key antenna corresponding to the pressed door request switch and transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the door.
- If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the BCM via remote keyless entry receiver.
- BCM receives the key ID signal and compares it with the registered key ID.
- BCM lock/unlock each door and fuel filler lid and sounds Intelligent Key buzzer warning (lock: 2 time, unlock:
1 times) at the same time as a reminder.
OPERATION CONDITION
If the following conditions are satisfied, door lock/unlock operation is performed if the request switch is operated.
OUTSIDE KEY ANTENNA DETECTION AREA
The outside key antenna detection area of door lock/unlock function is in the range of approximately 80 cm (31.50 in) surrounding the driver, passenger door handles (1). However, this operating range depends on the ambient conditions.
SELECTIVE UNLOCK FUNCTION
Lock Operation
When an LOCK signal is sent from door request switch (driver side or passenger side), all doors and fuel filler lid will be locked.
Unlock Operation
- When an UNLOCK signal from driver side door request switch is transmitted, driver side door and fuel filler lid unlocks. When another UNLOCK signal is transmitted within 60 seconds, passenger side door unlock.
- When an UNLOCK signal from passenger side door request switch is transmitted, passenger side door unlock. When another UNLOCK signal is transmitted within 60 seconds, driver side door and fuel filler lid unlocks.
Selective unlock operation mode can be changed using CONSULT.
Intelligent Key.
HAZARD AND BUZZER REMINDER FUNCTION
During lock, unlock, operation by each request switch, the hazard warning lamps and Intelligent Key warning buzzer will blink or honk as a reminder.
When doors are locked, unlocked by each request switch, BCM honks Intelligent Key warning buzzer as a reminder and blinks.
Operating Function of Hazard and Buzzer Reminder
Hazard and buzzer reminder does not operate if ignition switch ON position.
Hazard and buzzer reminder operation mode can be changed using CONSULT.
Intelligent Key.
AUTO DOOR LOCK FUNCTION
After door is unlocked by door request switch operation and if 60 seconds or more passes without performing the following operation, all doors and fuel filler lid are automatically locked. However, operation check function does not activate.
Auto door lock operation mode can be changed using CONSULT.
Intelligent Key.
LIST OF OPERATION RELATED PARTS
Parts marked with οΏ½ are the parts related to operation.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.