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.
2013 Infiniti M35hFACTORY OEM SERVICE PROCEDURE
Input/Output Signal Chart
| Sensor/Unit | Input signal to ECM | ECM function | Actuator | ||
|---|---|---|---|---|---|
| Crankshaft position sensor | Engine speed and piston position | Exhaust valve timing control | Exhaust valve timing control solenoid valve | ||
| Camshaft position sensor | |||||
| Engine coolant temperature sensor | Engine coolant temperature | ||||
| Engine oil temperature sensor | Engine oil temperature | ||||
| Exhaust valve timing control position sensor | Exhaust valve timing signal | ||||
| HPCM | Vehicle speed(1) | ||||
| Combination meter | Vehicle speed(1) | ||||
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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.
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