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 M45FACTORY OEM SERVICE PROCEDURE

With CONSULT-II

Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-II.

Fig 1: Scan Tool Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.
Make sure that "COOLAN TEMP/S" indicates less than 70°C (158°F). If not, cool down the engine.
Start engine.
Hold vehicle at the following conditions for 12 seconds.

Fig 2: Inspecting Conditions Chart
Courtesy of NISSAN MOTOR CO., U.S.A.
If 1st trip DTC is detected, go to DIAGNOSTIC PROCEDURE

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.

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