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.

2004 Infiniti I35FACTORY OEM SERVICE PROCEDURE

DTC Confirmation Procedure

NOTE: If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

WITH CONSULT-II

Turn ignition switch ON.
Select DATA MONITOR mode with CONSULT-II. See Figure .
Wait at least 10 seconds.
If the result is NG, go to DIAGNOSTIC PROCEDURE .

If the result is OK, go to following step.
Check COOLAN TEMP/S value.
If COOLAN TEMP/S is less than 60° C (140° F), the result will be OK.

If COOLAN TEMP/S is above 60° C (140° F), go to the following step.
Cool engine down until COOLAN TEMP/S is less than 60° C (140° F).
Wait at least 10 seconds.
If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE .

WITH GST

Follow the procedure With CONSULT-II.

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.