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.
2011 Infiniti M56 BaseFACTORY OEM SERVICE PROCEDURE
SRT Item
WARNING: This page is about a different car, the 2013 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
The table below shows required self-diagnostic items to set the SRT to "CMPLT".
| SRT item(1) (CONSULT indication) | Performance Priority(2) | Required self-diagnostic items to set the SRT to "CMPLT" | Corresponding DTC No. | ||||
|---|---|---|---|---|---|---|---|
| CATALYST | 2 | Three way catalyst function | P0420, P0430 | ||||
| EVAP SYSTEM | 2 | EVAP control system purge flow monitoring | P0441 | ||||
| 1 | EVAP control system | P0442 | |||||
| 2 | EVAP control system | P0456 | |||||
| HO2S | 1 | Air fuel ratio (A/F) sensor 1 | P0133, P0153 | ||||
| Heated oxygen sensor 2 | P0137, P0157 | ||||||
| Heated oxygen sensor 2 | P0138, P0158 | ||||||
| Heated oxygen sensor 2 | P0139, P0159 | ||||||
| EGR/VVT SYSTEM | 3 | Intake value timing control function | P0011, P0021 | ||||
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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.