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 M37 xFACTORY OEM SERVICE PROCEDURE
ENGINE CONTROL SYSTEM : Component Description
ENGINE CONTROL SYSTEM COMPONENT REFERENCE
| Component | Reference |
|---|---|
| A/F sensor 1 | "AIR FUEL RATIO SENSOR 1 " |
| A/F sensor 1 heater | "AIR FUEL RATIO SENSOR 1 HEATER " |
| Accelerator pedal position sensor | "ACCELERATOR PEDAL POSITION SENSOR " |
| ASCD brake switch | "DESCRIPTION " |
| ASCD steering switch | "ASCD STEERING SWITCH " |
| Battery current sensor | "BATTERY CURRENT SENSOR (WITH BATTERY TEMPERATURE SENSOR) " |
| Camshaft position sensor (PHASE) | "CAMSHAFT POSITION SENSOR (PHASE) " |
| Cooling fan control module | "COOLING FAN " |
| Cooling fan motor | "COOLING FAN " |
| Crankshaft position sensor (POS) | "CRANKSHAFT POSITION SENSOR (POS) " |
| Electric throttle control actuator | "ELECTRIC THROTTLE CONTROL ACTUATOR " |
| Engine coolant temperature sensor | "ENGINE COOLANT TEMPERATURE SENSOR " |
| Engine oil temperature sensor | "ENGINE OIL TEMPERATURE SENSOR " |
| EVAP canister purge volume control solenoid valve | "EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE " |
| EVAP canister vent control valve | "EVAP CANISTER VENT CONTROL VALVE " |
| EVAP control system pressure sensor | "EVAP CONTROL SYSTEM PRESSURE SENSOR " |
| Fuel injector | "FUEL INJECTOR " |
| Fuel level sensor | "FUEL LEVEL SENSOR " |
| Fuel pump | "FUEL PUMP " |
| Fuel tank temperature sensor | "FUEL TANK TEMPERATURE SENSOR " |
| Heated oxygen sensor 2 | "HEATED OXYGEN SENSOR 2 " |
| Heated oxygen sensor 2 heater | "HEATED OXYGEN SENSOR 2 HEATER " |
| ICC brake switch | "ICC BRAKE SWITCH " |
| ICC steering switch | "ICC STEERING SWITCH " |
| Ignition signal | "IGNITION COIL " |
| Intake air temperature sensor | "INTAKE AIR TEMPERATURE SENSOR " |
| Intake valve timing control solenoid valve | "INTAKE VALVE TIMING CONTROL SOLENOID VALVE " |
| Knock sensor | "KNOCK SENSOR " |
| Manifold absolute pressure (MAP) sensor | "MANIFOLD ABSOLUTE PRESSURE SENSOR " |
| Mass air flow sensor | "MASS AIR FLOW SENSOR " |
| PCV valve | "POSITIVE CRANKCASE VENTILATION " |
| Power steering pressure sensor | "POWER STEERING PRESSURE SENSOR " |
| Refrigerant pressure sensor | "REFRIGERANT PRESSURE SENSOR " |
| Stop lamp switch | "BRAKE SWITCH " |
| Throttle control motor | "THROTTLE CONTROL MOTOR " |
| Throttle control motor relay | "THROTTLE CONTROL MOTOR RELAY " |
| Throttle position sensor | "THROTTLE POSITION SENSOR " |
| VVEL actuator motor | "VVEL ACTUATOR MOTOR " |
| VVEL actuator motor relay | "VVEL ACTUATOR MOTOR RELAY " |
| VVEL control module | "VVEL CONTROL MODULE " |
| VVEL control shaft position sensor | "VVEL CONTROL POSITION SENSOR " |
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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