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.
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HOMESERVICE MANUALSINFINITI2012G37 SPORT, 2D COUPEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 107 (ENGINE CONTROL SYSTEM - INTRODUCTION)SYSTEM DESCRIPTIONENGINE CONTROL SYSTEMCOMPONENT DESCRIPTION
2012 Infiniti G37 Sport, 2D Coupe
Component Description
2012 Infiniti G37 Sport, 2D CoupeSECTION Component Description
WARNING: This page is about a different car, the 2012 Infiniti G25. However, it is still accessible from the selected car via links, so may be relevant.
| Component | Reference |
|---|---|
| A/F sensor 1 | "DESCRIPTION " |
| A/F sensor 1 heater | "DESCRIPTION " |
| Accelerator pedal position sensor | "DESCRIPTION " |
| ASCD brake switch | "DESCRIPTION " |
| ASCD steering switch | "DESCRIPTION " |
| Battery current sensor | "DESCRIPTION " |
| Camshaft position sensor (PHASE) | "DESCRIPTION " |
| Crankshaft position sensor (POS) | "DESCRIPTION " |
| Cooling fan control module | "DESCRIPTION " |
| Cooling fan motor | "DESCRIPTION " |
| Electric throttle control actuator | "DESCRIPTION " |
| Engine coolant temperature sensor | "DESCRIPTION " |
| Engine oil temperature sensor | "DESCRIPTION " |
| EVAP canister purge volume control solenoid valve | "DESCRIPTION " |
| EVAP canister vent control valve | "DESCRIPTION " |
| EVAP control system pressure sensor | "DESCRIPTION " |
| Exhaust valve timing control magnet retarder | "DESCRIPTION " |
| Exhaust valve timing control position sensor | "DESCRIPTION " |
| Fuel injector | "DESCRIPTION " |
| Fuel level sensor | "DESCRIPTION " |
| Fuel pump | "DESCRIPTION " |
| Fuel tank temperature sensor | "DESCRIPTION " |
| Heated oxygen sensor 2 | "DESCRIPTION " |
| Heated oxygen sensor 2 heater | "DESCRIPTION " |
| Ignition coil with power transistor | "DESCRIPTION " |
| Intake air temperature sensor | "DESCRIPTION " |
| Intake valve timing control solenoid valve | "DESCRIPTION " |
| Knock sensor | "DESCRIPTION " |
| Mass air flow sensor | "DESCRIPTION " |
| PCV valve | "DESCRIPTION " |
| Power steering pressure sensor | "DESCRIPTION " |
| Refrigerant pressure sensor | "DESCRIPTION " |
| Snow mode switch | "DESCRIPTION " |
| Stop lamp switch | "DESCRIPTION " |
| Throttle control motor | "DESCRIPTION " |
| Throttle control motor relay | "DESCRIPTION " |
| Throttle position sensor | "DESCRIPTION " |
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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.