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

Inspection Procedure

NOTE: Perform DATA MONITOR (SPEC) mode in maximum scale display.

Perform BASIC INSPECTION .

Fig 1: Displaying Data Monitor (SPEC) Mode For CONSULT-II
Courtesy of NISSAN MOTOR CO., U.S.A.
Confirm that the testing conditions indicated above are met.
Select B/FUEL SCHDL , A/F ALPHA-B1 , A/F ALPHA-B2 and MAS A/F SE-B1 in DATA MONITOR (SPEC) mode with CONSULT-II.
Make sure that monitor items are within the SP value.
If NG, go to DIAGNOSTIC PROCEDURE .

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Return to Chapter: Trouble Diagnosis - Specification Value

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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.