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.
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HOMESERVICE MANUALSINFINITI2012M56 V8-5.6L (VK56VD)REPAIR AND DIAGNOSISBODY AND FRAMELOCKSKEYLESS ENTRYTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESKEY REMINDER FUNCTION DOES NOT OPERATE
2012 Infiniti M56 V8-5.6L (VK56VD)
Key Reminder Function Does Not Operate
2012 Infiniti M56 V8-5.6L (VK56VD)SECTION Key Reminder Function Does Not Operate
KEY REMINDER FUNCTION DOES NOT OPERATE
Diagnosis Procedure
1. CHECK "ANTI KEY LOCK IN FUNCTI" SETTING IN "WORK SUPPORT"
1.Select "INTELLIGENT KEY" of "BCM" using CONSULT.
2.Select "ANTI KEY LOCK IN FUNCTI" in "WORK SUPPORT" mode.
3.Check "ANTI KEY LOCK IN FUNCTI" setting in "WORK SUPPORT".
Intelligent Key.
Is the inspection result normal?
YES- GO TO 2.
NO- Set "On" in "ANTI KEY LOCK IN FUNCTI".
2. CHECK INSIDE KEY ANTENNA
Check inside key antenna.
- Instrument center: B2621.
- Console: B2622.
- Trunk room: B2623.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace the malfunctioning parts.
3. CHECK DOOR SWITCH
Check door switch.
Door Switch.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace the malfunctioning parts.
4. CHECK TRUNK ROOM LAMP SWITCH
Check trunk room lamp switch.
Testing and Inspection.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace the malfunctioning parts.
5. CHECK UNLOCK SENSOR
Check unlock sensor.
Unlock Sensor.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace the malfunctioning parts.
6. REPLACE BCM
- Replace BCM. Service and Repair.
- Confirm the operation after replacement.
Is the result normal?
YES- INSPECTION END
NO- Check intermittent incident. Intermittent Incident.
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.