Wiring Diagram Cluster

1991 Peugeot 405 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

405 L4-1905cc 1.9L

Total Vehicle Diagrams

461

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.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1991 Peugeot 405 hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

Likely fix path

Exact Repair Guides

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

Spark Plug Replacement 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.Electrical Diagrams > Powertrain Management > Computers and Control Systems > Engine Control ModuleGeneralOpen2.Electrical Diagrams > Powertrain Management > System Diagram > Engine Electrical System DiagramGeneralOpen3.Electrical Diagrams > Powertrain Management > System Diagram > Engine ManagementGeneralOpen4.Electrical Diagrams > Engine Electrical System DiagramPowertrain ManagementOpen5.Electrical Diagrams > Engine ManagementPowertrain ManagementOpen6.Electrical Diagrams > Indicators and Warning Lights > Warning Indicators > Check EngineInstrument Panel, Gauges and Warning IndicatorsOpen7.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Indicators and Warning Lights > Warning Indicators > Check EngineGeneralOpen8.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > System Diagram > Warning Indicators > Check EngineGeneralOpen9.Electrical Diagrams > Powertrain Management > Computers and Control Systems > System DiagramGeneralOpen10.Electrical Diagrams > Powertrain Management > Emission Control SystemsGeneralOpen11.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air InductionGeneralOpen12.Electrical Diagrams > Powertrain Management > Ignition SystemGeneralOpen13.Electrical Diagrams > Warning Indicators > Check EngineInstrument Panel, Gauges and Warning IndicatorsOpen14.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > ComponentsPowertrain ManagementOpen15.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors C20-HC3CPowertrain ManagementOpen16.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC4-HC21APowertrain ManagementOpen17.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC610-P165GPowertrain ManagementOpen18.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors P229A-X30Powertrain ManagementOpen19.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector LocationPowertrain ManagementOpen20.Computers and Control Systems β€” Diagram Information and Instructions > Component Locations > GroundsPowertrain ManagementOpen21.Computers and Control Systems β€” Diagram Information and Instructions > Key to Wiring Diagrams > Symbol IdentificationPowertrain ManagementOpen22.Computers and Control Systems β€” Diagram Information and Instructions > Key to Wiring Diagrams > Wire Color Code IdentificationPowertrain ManagementOpen23.Computers and Control Systems β€” Electrical DiagramsPowertrain ManagementOpen24.Diagram Information and Instructions > Component Locations > ComponentsPowertrain ManagementOpen25.Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors C20-HC3CPowertrain ManagementOpen26.Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC4-HC21APowertrain ManagementOpen27.Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC610-P165GPowertrain ManagementOpen28.Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors P229A-X30Powertrain ManagementOpen29.Diagram Information and Instructions > Component Locations > Connectors > Connector LocationPowertrain ManagementOpen30.Diagram Information and Instructions > Component Locations > GroundsPowertrain ManagementOpen31.Diagram Information and Instructions > Key to Wiring Diagrams > Symbol IdentificationPowertrain ManagementOpen32.Diagram Information and Instructions > Key to Wiring Diagrams > Wire Color Code IdentificationPowertrain ManagementOpen33.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > ComponentsPowertrain ManagementOpen34.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors C20-HC3CPowertrain ManagementOpen35.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC4-HC21APowertrain ManagementOpen36.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC610-P165GPowertrain ManagementOpen37.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors P229A-X30Powertrain ManagementOpen38.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > Connectors > Connector LocationPowertrain ManagementOpen39.Emission Control Systems β€” Diagram Information and Instructions > Component Locations > GroundsPowertrain ManagementOpen40.Emission Control Systems β€” Diagram Information and Instructions > Key to Wiring Diagrams > Symbol IdentificationPowertrain ManagementOpen41.Emission Control Systems β€” Diagram Information and Instructions > Key to Wiring Diagrams > Wire Color Code IdentificationPowertrain ManagementOpen42.Emission Control Systems β€” Electrical DiagramsPowertrain ManagementOpen43.Emission Control Systems β€” Vacuum and Vapor Hose DiagramsPowertrain ManagementOpen44.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > Component Locations > ComponentsPowertrain ManagementOpen45.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors C20-HC3CPowertrain ManagementOpen46.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC4-HC21APowertrain ManagementOpen47.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors HC610-P165GPowertrain ManagementOpen48.Fuel Delivery and Air Induction β€” Diagram Information and Instructions > Component Locations > Connectors > Connector Identification > Connectors P229A-X30Powertrain ManagementOpen