Wiring Diagram Cluster

2003 Acura NSX 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

NSX V6-3.0L DOHC

Total Vehicle Diagrams

1590

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Spark Plug ReplacementOil Change2003 Acura NSX How to Find Technical Service Bulletins by Category/Symptom

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.Sensors and Switches - Powertrain Management > Sensors and Switches - Ignition System > Ignition Switch — DiagramPowertrain ManagementOpen2.Antitheft and Alarm Systems — Electrical Diagrams > Security SystemAccessories and Optional EquipmentOpen3.Connector Views > Engine Control ModuleGeneralOpen4.Connectors > Connector ID By Location On Harness > Engine Ground Wire AGeneralOpen5.Connectors > Connector ID By Location On Harness > Engine Ground Wire BGeneralOpen6.Connectors > Connector ID By Location On Harness > Engine Wire Harness > Part 1 of 2GeneralOpen7.Connectors > Connector ID By Location On Harness > Engine Wire Harness > Part 2 of 2GeneralOpen8.Connectors > Connector ID By Location On Harness > Throttle Body Ground WireGeneralOpen9.Electrical Diagrams > Antitheft and Alarm Systems > Security SystemGeneralOpen10.Electrical Diagrams > Powertrain Management > Ignition SystemGeneralOpen11.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-0GeneralOpen12.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-1GeneralOpen13.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-10GeneralOpen14.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-11GeneralOpen15.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-12GeneralOpen16.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-13GeneralOpen17.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-2GeneralOpen18.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-3GeneralOpen19.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-4GeneralOpen20.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-5GeneralOpen21.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-6GeneralOpen22.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-7GeneralOpen23.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-8GeneralOpen24.Electrical Diagrams > Powertrain Management > System Diagram > Diagram 23-9GeneralOpen25.Electrical Diagrams > Powertrain Management > System Diagram > Wiring Diagram IndexGeneralOpen26.Electrical Diagrams > Powertrain Management > Vehicle Speed SensorGeneralOpen27.Harness > Engine Ground Wire AGeneralOpen28.Harness > Engine Ground Wire BGeneralOpen29.Harness > Engine Wire Harness > Part 1 of 2GeneralOpen30.Harness > Engine Wire Harness > Part 2 of 2GeneralOpen31.Harness > Throttle Body Ground WireGeneralOpen32.Sensors and Switches - Powertrain Management > Sensors and Switches - Ignition System > Ignition Switch — DiagramSensors and SwitchesOpen33.Computers and Control Systems — DiagramPowertrain ManagementOpen34.Cooling System — Diagnostic Aids > Five-Step TroubleshootingEngine, Cooling and ExhaustOpen35.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing for A Short to Ground With a Powered Test Light or DVOMEngine, Cooling and ExhaustOpen36.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing For A Short to Ground With A Test Light or DVOMEngine, Cooling and ExhaustOpen37.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing for A Short With a Short Circuit Locator (Short Finder)Engine, Cooling and ExhaustOpen38.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing For ContinuityEngine, Cooling and ExhaustOpen39.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing For VoltageEngine, Cooling and ExhaustOpen40.Cooling System — Diagnostic Aids > Troubleshooting Test > Testing For Voltage DropEngine, Cooling and ExhaustOpen41.Cooling System — Diagram Information and Instructions > Cavity Numbering SystemEngine, Cooling and ExhaustOpen42.Cooling System — Diagram Information and Instructions > Circuit Identification For In-Line and Fuse Box ConnectorsEngine, Cooling and ExhaustOpen43.Cooling System — Diagram Information and Instructions > Circuit SchematicsEngine, Cooling and ExhaustOpen44.Cooling System — Diagram Information and Instructions > Component LocationsEngine, Cooling and ExhaustOpen45.Cooling System — Diagram Information and Instructions > Ground Distribution SchematicsEngine, Cooling and ExhaustOpen46.Cooling System — Diagram Information and Instructions > Power Distribution SchematicsEngine, Cooling and ExhaustOpen47.Cooling System — Diagram Information and Instructions > Symbols > ComponentsEngine, Cooling and ExhaustOpen48.Cooling System — Diagram Information and Instructions > Symbols > Connectors - "C"Engine, Cooling and ExhaustOpen

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OEM Manual Evidence

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2003 Acura NSX How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 2003 Acura NSX V6-3.0L DOHC Service Manual | Operation CHARM Operation CHARM...

2003 Acura NSX How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 2003 Acura NSX V6-3.2L DOHC Service Manual | Operation CHARM Operation CHARM...

2003 Acura NSX Service PrecautionsOEM Manual

Repair and Diagnosis: Service Precautions — 2003 Acura RSX L4-2.0L Service Manual | Operation CHARM Operation CHARM : Car repair manuals fo...

2003 Acura NSX Service PrecautionsOEM Manual

Repair and Diagnosis: Service Precautions — 2003 Acura 3.2TL V6-3.2L SOHC Service Manual | Operation CHARM Operation CHARM : Car repair man...

Repairs That Intersect This Wiring

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2003 Acura NSX Spark Plug ReplacementRepair

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2003 Acura NSX Oil ChangeRepair

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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 NSX Wiring Pages

Starter Wiring DiagramAlternator 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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