Wiring Diagram Cluster

2009 Infiniti M45 Engine Management Wiring Diagram

Find ECU/PCM wiring, fuel injector circuits, ignition coil paths, and oxygen sensor schematics for engine diagnostics.

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Matched Diagrams

48

Variant Used

M45 V8-4.5L (VK45DE)

Total Vehicle Diagrams

483

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Spark Plug ReplacementOil Change2009 Infiniti M45 A L L Diagnostic Trouble Codes ( DTC )

Likely fix path

Exact Repair Guides

These repair flows most often intersect with engine management diagnosis on this exact vehicle.

Spark Plug Replacement →
Oil Change

Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

P0301: Cylinder 1 Misfire Detected →
P0030: HO2S Heater Control Circuit (Bank 1, Sensor 1)P0300: Random/Multiple Cylinder Misfire DetectedP0351: Ignition Coil A Primary/Secondary Circuit

Top Engine Management Diagram Paths

1.Computers and Control Systems — Electrical Diagrams > Engine Control SystemPowertrain ManagementOpen2.Engine > Engine Lubrication — Lubrication CircuitEngine, Cooling and ExhaustOpen3.Engine > Engine Lubrication — Lubrication SystemEngine, Cooling and ExhaustOpen4.Fuel Delivery and Air Induction — Electrical Diagrams > Fuel InjectorPowertrain ManagementOpen5.Antitheft and Alarm Systems — Electrical Diagrams > Vehicle Security (Theft Warning) SystemAccessories and Optional EquipmentOpen6.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Intelligent Key System/Engine Start Function > SchematicAccessories and Optional EquipmentOpen7.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Intelligent Key System/Engine Start Function > Wiring Diagram - ENG/ST. -Accessories and Optional EquipmentOpen8.Electrical Diagrams > Antitheft and Alarm Systems > Vehicle Security (Theft Warning) SystemGeneralOpen9.Electrical Diagrams > Computers and Control Systems > System Diagram > Engine Control SystemGeneralOpen10.Electrical Diagrams > Diagrams By Diagram Name > BL > Intelligent Key System/Engine Start FunctionGeneralOpen11.Electrical Diagrams > Diagrams By Diagram Name > BL > Vehicle Security SystemGeneralOpen12.Electrical Diagrams > Diagrams By Diagram Name > EC > ECM Power SupplyGeneralOpen13.Electrical Diagrams > Diagrams By Diagram Name > EC > Electric Throttle Control FunctionGeneralOpen14.Electrical Diagrams > Diagrams By Diagram Name > EC > Engine Over TemperatureGeneralOpen15.Electrical Diagrams > Diagrams By Diagram Name > EC > Fuel InjectorGeneralOpen16.Electrical Diagrams > Diagrams By Diagram Name > EC > Fuel Pump Control Module (FPCM)GeneralOpen17.Electrical Diagrams > Diagrams By Diagram Name > EC > Throttle Control MotorGeneralOpen18.Electrical Diagrams > Diagrams By Diagram Name > EC > Throttle Control Motor RelayGeneralOpen19.Electrical Diagrams > Fuel Delivery and Air Induction > System Diagram > Fuel InjectorGeneralOpen20.Electrical Diagrams > Keyless Entry > Intelligent Key System/Engine Start Function > SchematicGeneralOpen21.Electrical Diagrams > Keyless Entry > Intelligent Key System/Engine Start Function > Wiring Diagram - ENG/ST. -GeneralOpen22.Fluid Diagrams > Engine Lubrication > Lubrication CircuitGeneralOpen23.Fluid Diagrams > Engine Lubrication > Lubrication SystemGeneralOpen24.Locks > Keyless Entry — Electrical Diagrams > Intelligent Key System/Engine Start Function > SchematicBody and FrameOpen25.Locks > Keyless Entry — Electrical Diagrams > Intelligent Key System/Engine Start Function > Wiring Diagram - ENG/ST. -Body and FrameOpen26.Vacuum and Vapor Hose Diagrams > Powertrain ManagementGeneralOpen27.Computers and Control Systems — Diagram Information and Instructions > AbbreviationsPowertrain ManagementOpen28.Computers and Control Systems — Diagram Information and Instructions > How to Read Wiring DiagramPowertrain ManagementOpen29.Computers and Control Systems — Diagram Information and Instructions > Standardized RelayPowertrain ManagementOpen30.Computers and Control Systems — Electrical Diagrams > ASCD Brake SwitchPowertrain ManagementOpen31.Computers and Control Systems — Electrical Diagrams > ASCD IndicatorPowertrain ManagementOpen32.Computers and Control Systems — Electrical Diagrams > ICC Brake SwitchPowertrain ManagementOpen33.Computers and Control Systems — Electrical Diagrams > Power Supply and Ground CircuitPowertrain ManagementOpen34.Computers and Control Systems — Electrical Diagrams > Refrigerant Pressure SensorPowertrain ManagementOpen35.Computers and Control Systems — Electrical Diagrams > Snow Mode SwitchPowertrain ManagementOpen36.Cooling System — DiagramEngine, Cooling and ExhaustOpen37.DiagramPowertrain ManagementOpen38.Fuel Delivery and Air Induction — Diagram Information and Instructions > AbbreviationsPowertrain ManagementOpen39.Fuel Delivery and Air Induction — Diagram Information and Instructions > How to Read Wiring DiagramPowertrain ManagementOpen40.Fuel Delivery and Air Induction — Diagram Information and Instructions > Standardized RelayPowertrain ManagementOpen41.Fuel Delivery and Air Induction — Electrical Diagrams > Fuel PumpPowertrain ManagementOpen42.Ignition System — Diagram Information and Instructions > AbbreviationsPowertrain ManagementOpen43.Ignition System — Diagram Information and Instructions > How to Read Wiring DiagramPowertrain ManagementOpen44.Ignition System — Diagram Information and Instructions > Standardized RelayPowertrain ManagementOpen45.Ignition System — Electrical DiagramsPowertrain ManagementOpen46.Transmission Control Systems — Diagram Information and Instructions > AbbreviationsPowertrain ManagementOpen47.Transmission Control Systems — Diagram Information and Instructions > How to Read Wiring DiagramPowertrain ManagementOpen48.Transmission Control Systems — Diagram Information and Instructions > Standardized RelayPowertrain ManagementOpen

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OEM Manual Evidence

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2009 Infiniti M45 A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Infiniti M45 V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation CHARM : Car repair m...

2009 Infiniti M45 A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 2009 Infiniti M45x AWD V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation CHARM : Car rep...

2009 Infiniti M45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 2009 Infiniti M45 V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation...

2009 Infiniti M45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 2009 Infiniti M45x AWD V8-4.5L (VK45DE) Service Manual | Operation CHARM Oper...

Repairs That Intersect This Wiring

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2009 Infiniti M45 Spark Plug ReplacementRepair

Open the matching repair workflow that usually intersects with engine management diagnosis on this vehicle.

2009 Infiniti M45 Oil ChangeRepair

Open the matching repair workflow that usually intersects with engine management diagnosis on this vehicle.

Likely Trouble Codes for This System

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P0301: Cylinder 1 Misfire DetectedCode

Ignition code commonly seen during engine management diagnosis.

P0030: HO2S Heater Control Circuit (Bank 1, Sensor 1)Code

Emissions code commonly seen during engine management diagnosis.

P0300: Random/Multiple Cylinder Misfire DetectedCode

Ignition code commonly seen during engine management diagnosis.

P0351: Ignition Coil A Primary/Secondary CircuitCode

Ignition code commonly seen during engine management diagnosis.

P0352: Ignition Coil B Primary/Secondary CircuitCode

Ignition code commonly seen during engine management diagnosis.

P0353: Ignition Coil C Primary/Secondary CircuitCode

Ignition code commonly seen during engine management diagnosis.

More M45 Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramFuel Pump Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramBody Electrical Wiring Diagram

Same System, Other Vehicles

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