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.
2012 Infiniti M56 V8-5.6L (VK56VD)FACTORY OEM SERVICE PROCEDURE
Work Procedure
INSPECTION AND ADJUSTMENT
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure
1. SAVING VEHICLE SPECIFICATION
CONSULT Configuration
Perform "READ CONFIGURATION" to save or print current vehicle specification. Description.
NOTE:
If "READ CONFIGURATION" can not be used, use the "WRITE CONFIGURATION - Manual selection" after replacing BCM.
- GO TO 2.
2. REPLACE BCM
Replace BCM. Service and Repair.
- GO TO 3.
3. WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Perform "WRITE CONFIGURATION - Config file" or "WRITE CONFIGURATION - Manual selection" to write vehicle specification. Work Procedure.
- GO TO 4.
4. INITIALIZE BCM (NATS)
Perform BCM initialization. (NATS)
- WORK END
Factory Service Tools
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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.
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