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.
2002 Infiniti G20 Automatic, RE4F03BFACTORY OEM SERVICE PROCEDURE
Readiness Code: Notes
NOTE:
Throttle Valve Control Module (TVCM) (J338) adaptation is part of Readiness Code procedures. TVCM adaptation can also be performed by it self, see THROTTLE VALVE CONTROL MODULE in appropriate SELF-DIAGNOSTICS article. For further information, see SELF-DIAGNOSTIC SYSTEMS in appropriate SELF-DIAGNOSTICS article.
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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