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 I35FACTORY OEM SERVICE PROCEDURE
EGR Monitor
NOTE:
Once procedure is started DO NOT turn ignition off. When negative battery cable is disconnected, all readiness test codes are cleared.
- Connect scan tool to DLC. Start engine, and hold at 3000 RPM under no load condition with transaxle in Park or Neutral until radiator cooling fan comes on.
- Drive vehicle at a steady speed between 50-62 MPH with transaxle in D4 position for more than 10 seconds.
- With transaxle in D4 position, decelerate from 62 MPH by completely releasing throttle for at least 5 seconds. If engine is stalls or is stopped during this part of the procedure, repeat procedure starting in step 2. After procedure is complete, use scan too to check readiness code.
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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