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 FX45FACTORY OEM SERVICE PROCEDURE

Testing Condition

Perform DTC WORK SUPPORT when the fuel level is between 1/4 and 3/4 full, and vehicle is placed on flat level surface .
Always perform test at a temperature of 0 to 30° C (32 to 86° F) .

With CONSULT-II

Turn ignition switch ON.
Turn ignition switch OFF and wait at least 10 seconds.
Turn ignition switch ON and select DATA MONITOR mode with CONSULT-II.
Make sure that the following conditions are met.
COOLANT TEMP/S: 0 - 70° C (32 - 158° F)

INT/A TEMP SE: 0 - 30° C (32 - 86° F)
Select EVAP SML LEAK P0442/P1442 of EVAPORATIVE SYSTEM in DTC WORK SUPPORT mode with CONSULT-II.
Follow the instruction displayed.

Fig 1: Displaying EVAP SML Leak P0442/P1442 Test In Work Support Mode (CONSULT-II)
Courtesy of NISSAN MOTOR CO., U.S.A.

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.