Wiring Diagram Cluster

2005 Honda Civic Si Body Electrical Wiring Diagram

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

Open Exact Vehicle Repair HubOpen Interactive Diagram BrowserBrowse All Wiring Diagrams

Matched Diagrams

48

Variant Used

Civic Si L4-2.0L

Total Vehicle Diagrams

2029

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 2005 Honda Civic Si hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
2005 Honda Civic Si Tools and Equipment

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.

2005 Honda Civic Si Tools and Equipment →
2005 Honda Civic Si Tools and Equipment2005 Honda Civic Si Tools and Equipment2005 Honda Civic Si Tools and Equipment

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 > Keyless/Power Door LocksAccessories and Optional EquipmentOpen2.Electrical Diagrams > Antitheft and Alarm Systems > Keyless/Power Door LocksGeneralOpen3.Electrical Diagrams > Diagrams By Number > Diagram Set 130 (Keyless/Power Door Locks)GeneralOpen4.Electrical Diagrams > Lighting and Horns > Interior Lighting Module > Circuit DiagramsGeneralOpen5.Electrical Diagrams > Lighting and Horns > Interior Lighting Module > Wiring DiagramsGeneralOpen6.Horn — Connector ViewsLighting and HornsOpen7.Horn — Diagnostic Aids > Five-Step TroubleshootingLighting and HornsOpen8.Horn — Diagnostic Aids > Terminal Replacement Procedures > Checking For Poor Fit of TerminalsLighting and HornsOpen9.Horn — Diagnostic Aids > Terminal Replacement Procedures > How to Install New TerminalsLighting and HornsOpen10.Horn — Diagnostic Aids > Terminal Replacement Procedures > How to Install Pigtail TerminalsLighting and HornsOpen11.Horn — Diagnostic Aids > Terminal Replacement Procedures > How to Replace Connector TerminalsLighting and HornsOpen12.Horn — Diagnostic Aids > Terminal Replacement Procedures > Pigtail Terminal Selection ChartLighting and HornsOpen13.Horn — Diagnostic Aids > Test EquipmentLighting and HornsOpen14.Horn — Diagnostic Aids > Troubleshooting PrecautionsLighting and HornsOpen15.Horn — Diagnostic Aids > Troubleshooting TestsLighting and HornsOpen16.Horn — Diagram Information and Instructions > Circuit SchematicsLighting and HornsOpen17.Horn — Diagram Information and Instructions > Ground Distribution SchematicsLighting and HornsOpen18.Horn — Diagram Information and Instructions > How to Identify Connector TerminalsLighting and HornsOpen19.Horn — Diagram Information and Instructions > Power Distribution SchematicsLighting and HornsOpen20.Horn — Diagram Information and Instructions > Symbols > ComponentsLighting and HornsOpen21.Horn — Diagram Information and Instructions > Symbols > Connectors - "C"Lighting and HornsOpen22.Horn — Diagram Information and Instructions > Symbols > DiodesLighting and HornsOpen23.Horn — Diagram Information and Instructions > Symbols > FusesLighting and HornsOpen24.Horn — Diagram Information and Instructions > Symbols > Ground - "G"Lighting and HornsOpen25.Horn — Diagram Information and Instructions > Symbols > Light Emitting Diode (LED)Lighting and HornsOpen26.Horn — Diagram Information and Instructions > Symbols > MotorLighting and HornsOpen27.Horn — Diagram Information and Instructions > Symbols > Pressure SensorLighting and HornsOpen28.Horn — Diagram Information and Instructions > Symbols > ResistorLighting and HornsOpen29.Horn — Diagram Information and Instructions > Symbols > ShieldingLighting and HornsOpen30.Horn — Diagram Information and Instructions > Symbols > SolenoidLighting and HornsOpen31.Horn — Diagram Information and Instructions > Symbols > SplicesLighting and HornsOpen32.Horn — Diagram Information and Instructions > Symbols > SwitchesLighting and HornsOpen33.Horn — Diagram Information and Instructions > Symbols > Terminals - "T"Lighting and HornsOpen34.Horn — Diagram Information and Instructions > Symbols > TransistorsLighting and HornsOpen35.Horn — Diagram Information and Instructions > Symbols > Variable SensorLighting and HornsOpen36.Horn — Diagram Information and Instructions > Symbols > Wire Color AbbreviationsLighting and HornsOpen37.Horn — Diagram Information and Instructions > Symbols > WiresLighting and HornsOpen38.Horn — Electrical Diagrams > Circuit DiagramsLighting and HornsOpen39.Horn — Electrical Diagrams > Wiring DiagramsLighting and HornsOpen40.Locks > Keyless Entry — Diagnostic Aids > Five-Step TroubleshootingBody and FrameOpen41.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement Procedures > Checking For Poor Fit of TerminalsBody and FrameOpen42.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement Procedures > How to Install New TerminalsBody and FrameOpen43.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement Procedures > How to Install Pigtail TerminalsBody and FrameOpen44.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement Procedures > How to Replace Connector TerminalsBody and FrameOpen45.Locks > Keyless Entry — Diagnostic Aids > Terminal Replacement Procedures > Pigtail Terminal Selection ChartBody and FrameOpen46.Locks > Keyless Entry — Diagnostic Aids > Test EquipmentBody and FrameOpen47.Locks > Keyless Entry — Diagnostic Aids > Troubleshooting PrecautionsBody and FrameOpen48.Locks > Keyless Entry — Diagnostic Aids > Troubleshooting TestsBody and FrameOpen

Exact Vehicle Hub

Browse →
2005 Honda Civic Si Repair HubExact Vehicle

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 2005 Honda Civic Si context.

OEM Manual Evidence

Browse →
2005 Honda Civic Si Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2005 Honda Civic Si L4-2.0L Service Manual | Operation CHARM Operation CHARM : Car repair manua...

2005 Honda Civic Si Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2005 Honda Civic L4-1.7L CNG Service Manual | Operation CHARM Operation CHARM : Car repair manu...

2005 Honda Civic Si Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2005 Honda Civic L4-1.3L Hybrid Service Manual | Operation CHARM Operation CHARM : Car repair m...

2005 Honda Civic Si Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2005 Honda Civic L4-1.7L SOHC Service Manual | Operation CHARM Operation CHARM : Car repair man...

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

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 DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

2005 Honda Accord Body Electrical Wiring Diagram2005 Honda Civic Body Electrical Wiring Diagram2005 Honda Insight Body Electrical Wiring Diagram2005 Honda S2000 Body Electrical Wiring Diagram2011 Honda Fit 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