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.
2022 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE
Work Procedure
CAUTION:
- Perform the valve timing offset data clear operation beforehand. Refer to Description .
- If 2D code cannot be read, perform only the valve timing offset data clear operation.
- WRITE VALVE TIMING OFFSET DATA
With CONSULT
- Turn ignition switch ON.
- Select "VALVE TIMING OFFSET DATA WRITING " in "WORK SUPPORT" mode of "ENGINE" using CONSULT.
- Observe the instructions displayed on the CONSULT screen to write 2D code affixed to the electric intake valve timing control actuator.
- Turn ignition switch OFF and wait at least 10 seconds.
- Turn ignition switch ON.
- Check that DTC P100C is not displayed.
INSPECTION 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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