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.

2010 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE

Diagnosis Procedure

CHECK INTAKE AIR LEAKAGE
1. Start engine and let it idle.
2. Listen for an intake air leakage after the mass air flow sensor.
OK or NG

OK: GO TO 2.

NG: Discover air leakage location and repair.
REPLACE ECM
1. Stop engine.
2. Replace ECM.
3. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION ".
4. Perform "VIN REGISTRATION ".
5. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING ".
6. Perform "THROTTLE VALVE CLOSED POSITION LEARNING ".
7. Perform "IDLE AIR VOLUME LEARNING ".
INSPECTION END

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready Tools Compare Repair Quote Quote Shield Pro

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.