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.
2019 Infiniti QX30 Essential, AWDFACTORY OEM SERVICE PROCEDURE
Work Procedure (Before Replacing ECM)
- SAVE 'OPERATION LOG'
With CONSULT
Save Operation Log, according to the procedure of "Programming" in CONSULT Operation Information.
NOTE:- Log in to the network, according to the CONSULT screen.
- ECM part number is saved in Operating Log saved in CONSULT.
- After replacing ECM, perform necessary work.
- Replace ECM. Refer to Removal and Installation .
- After replacing ECM, perform necessary work. Refer to Work Procedure (After Replacing ECM) .
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.