Wiring Diagram Cluster

2012 Acura TSX Sedan Engine Management Wiring Diagram

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

Matched Diagrams

48

Variant Used

TSX Sedan L4-2.4L

Total Vehicle Diagrams

2635

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

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Vehicle Repair Hub

Step out of raw diagrams and into the full 2012 Acura TSX Sedan hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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 β†’

Top Engine Management Diagram Paths

1.Connector Views > Connector Views By View Number > View 332 - ECM/PCM Connector ViewGeneralOpen2.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Controlled Power Source CircuitPower and Ground DistributionOpen3.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Relays Control CircuitPower and Ground DistributionOpen4.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG1) CircuitPower and Ground DistributionOpen5.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG2) CircuitPower and Ground DistributionOpen6.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG6) CircuitPower and Ground DistributionOpen7.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Power Source For ECM/PCM CircuitPower and Ground DistributionOpen8.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC1) CircuitPower and Ground DistributionOpen9.Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC6) CircuitPower and Ground DistributionOpen10.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Controlled Power Source CircuitGeneralOpen11.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Relays Control CircuitGeneralOpen12.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG1) CircuitGeneralOpen13.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG2) CircuitGeneralOpen14.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG6) CircuitGeneralOpen15.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Power Source For ECM/PCM CircuitGeneralOpen16.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC1) CircuitGeneralOpen17.Electrical Diagrams > Power and Ground Distribution > System Diagram > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC6) CircuitGeneralOpen18.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Controlled Power Source CircuitStarting and ChargingOpen19.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > ECM/PCM Relays Control CircuitStarting and ChargingOpen20.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG1) CircuitStarting and ChargingOpen21.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG2) CircuitStarting and ChargingOpen22.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Ground For ECM/PCM Sensors (SG6) CircuitStarting and ChargingOpen23.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Power Source For ECM/PCM CircuitStarting and ChargingOpen24.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC1) CircuitStarting and ChargingOpen25.Power and Ground Distribution β€” Electrical Diagrams > Diagram Set 15 (Splice And Junction Connector Details) > Reference Voltage For ECM/PCM Sensors (VCC6) CircuitStarting and ChargingOpen26.Cooling System > Engine - Coolant Temperature Sensor/Switch β€” ECT Sensor 1 Connector ViewEngine, Cooling and ExhaustOpen27.Cooling System > Engine - Coolant Temperature Sensor/Switch β€” ECT Sensor 2 Connector ViewEngine, Cooling and ExhaustOpen28.Cooling System > Sensors and Switches - Cooling System > Engine - Coolant Temperature Sensor/Switch β€” ECT Sensor 1 Connector ViewEngine, Cooling and ExhaustOpen29.Cooling System > Sensors and Switches - Cooling System > Engine - Coolant Temperature Sensor/Switch β€” ECT Sensor 2 Connector ViewEngine, Cooling and ExhaustOpen30.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > How to Troubleshoot the Body ElectricalEngine, Cooling and ExhaustOpen31.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > How To Troubleshoot Using The ETM > Five-Step TroubleshootingEngine, Cooling and ExhaustOpen32.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > How To Troubleshoot Using The ETM > Test EquipmentEngine, Cooling and ExhaustOpen33.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > How To Troubleshoot Using The ETM > Troubleshooting PrecautionsEngine, Cooling and ExhaustOpen34.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > How To Troubleshoot Using The ETM > Troubleshooting TestsEngine, Cooling and ExhaustOpen35.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagnostic Aids > Terminal Replacement ProceduresEngine, Cooling and ExhaustOpen36.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > ETM Acronym DefinitionsEngine, Cooling and ExhaustOpen37.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > How To Read Schematics > Circuit SchematicsEngine, Cooling and ExhaustOpen38.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > How To Read Schematics > Ground Distribution SchematicsEngine, Cooling and ExhaustOpen39.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > How To Read Schematics > Power Distribution SchematicsEngine, Cooling and ExhaustOpen40.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > How To Read Trim Level MatrixEngine, Cooling and ExhaustOpen41.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > ComponentsEngine, Cooling and ExhaustOpen42.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > Connectors - "C"Engine, Cooling and ExhaustOpen43.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > DiodesEngine, Cooling and ExhaustOpen44.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > FusesEngine, Cooling and ExhaustOpen45.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > Ground - "G"Engine, Cooling and ExhaustOpen46.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > Light Emitting Diode (LED)Engine, Cooling and ExhaustOpen47.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > MotorEngine, Cooling and ExhaustOpen48.Engine > Drive Belts, Mounts, Brackets and Accessories > Engine Mount β€” Diagram Information and Instructions > Symbol Definitions > Pressure SensorEngine, Cooling and ExhaustOpen