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
DTC Confirmation Test (Using CONSULT-II)
NOTE:
Before proceeding, ensure ambient temperature is more than 41°F (5°C).
- Start engine and warm to normal operating temperature. Turn ignition off and wait at least 10 seconds. Turn ignition on. Select DATA MONITOR mode with CONSULT-II. Ensure FUEL T/TEMP SE is more than 32°F (0°C).
- Start engine and wait at least 20 seconds. If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE . If 1st trip DTC is not detected, go to next step.
- Stop engine. Connect EVAP Service Port Adapter (J41413-OBD) to EVAP service port. See Figure . Connect a suitable pressure pump to adapter.
- Pressurize purge line using pressure pump. If pressure goes up, go to DIAGNOSTIC PROCEDURE . If pressure does not go up, system is okay at this time.
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.