Wiring Diagram Cluster

2009 Honda Civic Si Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

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Matched Diagrams

48

Variant Used

Civic Si L4-2.0L

Total Vehicle Diagrams

2183

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2009 Honda Civic Si External Pages

OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

2009 Honda Civic Si External Pages →
2009 Honda Civic Si External Pages2009 Honda Civic Si External Pages2009 Honda Civic Si External Pages

Diagnostic signal

Codes Often Seen With This System

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

B1318: Battery Voltage Low →
U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Antitheft and Alarm Systems — Electrical Diagrams > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)Accessories and Optional EquipmentOpen2.Electrical Diagrams > Antitheft and Alarm Systems > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)GeneralOpen3.Electrical Diagrams > Diagrams By Number > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)GeneralOpen4.Horn — Connector Views > High Horn Connector ViewLighting and HornsOpen5.Horn — Connector Views > Low Horn Connector ViewLighting and HornsOpen6.Horn — Diagnostic Aids > How to Troubleshoot > Five-Step TroubleshootingLighting and HornsOpen7.Horn — Diagnostic Aids > How to Troubleshoot > Test EquipmentLighting and HornsOpen8.Horn — Diagnostic Aids > How to Troubleshoot > Troubleshooting PrecautionsLighting and HornsOpen9.Horn — Diagnostic Aids > How to Troubleshoot > Troubleshooting TestsLighting and HornsOpen10.Horn — Diagnostic Aids > How to Troubleshoot Electrical SystemsLighting and HornsOpen11.Horn — Diagnostic Aids > Terminal Replacement ProceduresLighting and HornsOpen12.Horn — Diagram Information and Instructions > Acronym DefinitionsLighting and HornsOpen13.Horn — Diagram Information and Instructions > How to Identify Connector TerminalsLighting and HornsOpen14.Horn — Diagram Information and Instructions > How to Read Schematics > Circuit SchematicsLighting and HornsOpen15.Horn — Diagram Information and Instructions > How to Read Schematics > Ground Distribution SchematicsLighting and HornsOpen16.Horn — Diagram Information and Instructions > How to Read Schematics > Power Distribution SchematicsLighting and HornsOpen17.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > ComponentsLighting and HornsOpen18.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Connectors - "C"Lighting and HornsOpen19.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > DiodesLighting and HornsOpen20.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > FusesLighting and HornsOpen21.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Ground - "G"Lighting and HornsOpen22.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > LightLighting and HornsOpen23.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Light Emitting Diode (LED)Lighting and HornsOpen24.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > MotorLighting and HornsOpen25.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Pressure SensorLighting and HornsOpen26.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > ResistorLighting and HornsOpen27.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > ShieldingLighting and HornsOpen28.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > SolenoidLighting and HornsOpen29.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > SplicesLighting and HornsOpen30.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > SwitchesLighting and HornsOpen31.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Terminals - "T"Lighting and HornsOpen32.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > TransistorsLighting and HornsOpen33.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Variable ResistorLighting and HornsOpen34.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > Wire Color AbbreviationsLighting and HornsOpen35.Horn — Diagram Information and Instructions > Symbol and Wire Color Definitions > WiresLighting and HornsOpen36.Horn — Electrical DiagramsLighting and HornsOpen37.Locks > Keyless Entry — Diagnostic Aids > How to Troubleshoot > Five-Step TroubleshootingBody and FrameOpen38.Locks > Keyless Entry — Diagnostic Aids > How to Troubleshoot > Test EquipmentBody and FrameOpen39.Locks > Keyless Entry — Diagnostic Aids > How to Troubleshoot > Troubleshooting PrecautionsBody and FrameOpen40.Locks > Keyless Entry — Diagnostic Aids > How to Troubleshoot > Troubleshooting TestsBody and FrameOpen41.Locks > Keyless Entry — Diagnostic Aids > How to Troubleshoot Electrical SystemsBody and FrameOpen42.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement ProceduresBody and FrameOpen43.Locks > Keyless Entry — Diagram Information and Instructions > Acronym DefinitionsBody and FrameOpen44.Locks > Keyless Entry — Diagram Information and Instructions > How to Identify Connector TerminalsBody and FrameOpen45.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Schematics > Circuit SchematicsBody and FrameOpen46.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Schematics > Ground Distribution SchematicsBody and FrameOpen47.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Schematics > Power Distribution SchematicsBody and FrameOpen48.Locks > Keyless Entry — Diagram Information and Instructions > Symbol and Wire Color Definitions > ComponentsBody and FrameOpen

Parts & Tools for This Job

Common parts shoppers buy for 2009 Honda Civic Si Body Electrical.

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Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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Exact Vehicle Hub

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2009 Honda Civic Si Repair HubExact Vehicle · Backbone

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OEM Manual Evidence

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2009 Honda Civic Si External PagesOEM Manual

External Pages — 2009 Honda Civic Si, 2D Coupe Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Honda >> 2...

2009 Honda Civic Si External PagesOEM Manual

External Pages — 2009 Honda Civic Si, 4D Sedan Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Honda >> 2...

2009 Honda Civic Si External PagesOEM Manual

External Pages — 2009 Honda Civic GX Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Honda >> 2009 >> Civ...

2009 Honda Civic Si External PagesOEM Manual

External Pages — 2009 Honda Civic DX, 2D Coupe, Automatic Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >>...

Likely Trouble Codes for This System

Browse →
B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More Civic Si Wiring Pages

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Same System, Other Vehicles

2011 Honda Civic Body Electrical Wiring Diagram2011 Honda Fit Body Electrical Wiring Diagram2011 Honda Insight Body Electrical Wiring Diagram2008 Honda Accord Body Electrical Wiring Diagram2008 Honda S2000 Body Electrical Wiring Diagram2010 Honda Civic Si Body Electrical Wiring Diagram2010 Honda Crosstour 2WD Body Electrical Wiring Diagram2010 Honda Crosstour 4WD Body Electrical Wiring Diagram
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