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
Engine Control Module: Service and Repair
ECM
Removal and Installation
REMOVAL
1.Remove the instrument lower cover. Removal And Installation.
2.Remove the dash side finisher (LH). Dash Side Finisher.
3.Remove the ECM cover bolts (A) and remove ECM cover (1).
4.Disconnect ECM harness connectors.
5.Remove ECM bracket bolt (A)
6.Slide the ECM bracket (1) upward and then remove ECM
bracket with ECM.
7.Remove ECM bracket bolts (B) and separate ECM (2) and ECM
bracket.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Must be perform additional service when replacing ECM. Work Procedure.
Factory Service Tools
Use the Manual With the Right Hardware
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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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