Wiring Diagram Cluster
2011 Honda Civic Si Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Civic Si L4-2.0L
Total Vehicle Diagrams
1242
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 2011 Honda Civic Si hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →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.
Open interactive browser →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 →Top Body Electrical Diagram Paths
1.Horn — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen2.Locks > Keyless Entry — Diagnostic Aids > How To Troubleshoot The Body ElectricalBody and FrameOpen3.Antitheft and Alarm Systems — Electrical Diagrams > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)Accessories and Optional EquipmentOpen4.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > How To Troubleshoot The Body ElectricalAccessories and Optional EquipmentOpen5.Electrical Diagrams > Antitheft and Alarm Systems > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)GeneralOpen6.Electrical Diagrams > Diagrams By Number > Diagram Set 130 (Power Door Locks/Keyless Entry/Security System)GeneralOpen7.Backup Lamp — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen8.Courtesy Lamp — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen9.Fog/Driving Lamp — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen10.Hazard Warning Lamps — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen11.Headlamp — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen12.Horn — Connector Views > High Horn Connector View (USA: Si; Mexico, Latin America)Lighting and HornsOpen13.Horn — Connector Views > Horn Connector View (except USA Si, Mexico, Latin America)Lighting and HornsOpen14.Horn — Connector Views > Low Horn Connector View (USA: Si; Mexico, Latin America)Lighting and HornsOpen15.Horn — Diagnostic Aids > How To TroubleshootLighting and HornsOpen16.Horn — Diagram Information and Instructions > ETM Acronym DefinitionsLighting and HornsOpen17.Horn — Diagram Information and Instructions > ETM Symbol DefinitionsLighting and HornsOpen18.Horn — Diagram Information and Instructions > How To Read SchematicsLighting and HornsOpen19.Horn — Electrical DiagramsLighting and HornsOpen20.Locks > Keyless Entry — Diagnostic Aids > How To TroubleshootBody and FrameOpen21.Locks > Keyless Entry — Diagram Information and Instructions > ETM Acronym DefinitionsBody and FrameOpen22.Locks > Keyless Entry — Diagram Information and Instructions > ETM Symbol DefinitionsBody and FrameOpen23.Locks > Keyless Entry — Diagram Information and Instructions > How To Read SchematicsBody and FrameOpen24.Locks > Keyless Entry — Electrical DiagramsBody and FrameOpen25.Locks > Keyless Entry > Keyless Starting System — IG1 And IG2/Start Fuse Connector View (Honda Accessory: A/T)Body and FrameOpen26.Locks > Keyless Entry > Keyless Starting System — IG1 Relay And IG2 Relay Connector View (Honda Accessory: A/T)Body and FrameOpen27.Locks > Power Locks — Diagnostic Aids > How To Troubleshoot The Body ElectricalBody and FrameOpen28.Mirrors — Diagnostic Aids > How To Troubleshoot The Body ElectricalBody and FrameOpen29.Roof and Associated Components > Sunroof / Moonroof — Diagnostic Aids > How To Troubleshoot The Body ElectricalBody and FrameOpen30.Turn Signals — Diagnostic Aids > How To Troubleshoot The Body ElectricalLighting and HornsOpen31.Antilock Brakes / Traction Control Systems — Diagnostic Aids > How To Troubleshoot The Body ElectricalBrakes and Traction ControlOpen32.Antitheft and Alarm Systems — Diagnostic Aids > How To Troubleshoot The Body ElectricalAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > How To TroubleshootAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > ETM Acronym DefinitionsAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > ETM Symbol DefinitionsAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > How To Read SchematicsAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems > Keyless Entry — Electrical DiagramsAccessories and Optional EquipmentOpen38.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System — IG1 And IG2/Start Fuse Connector View (Honda Accessory: A/T)Accessories and Optional EquipmentOpen39.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System — IG1 Relay And IG2 Relay Connector View (Honda Accessory: A/T)Accessories and Optional EquipmentOpen40.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How To Troubleshoot The Body ElectricalTransmission and DrivetrainOpen41.Cellular Phone — Diagnostic Aids > How To Troubleshoot The Body ElectricalAccessories and Optional EquipmentOpen42.Charging System — Diagnostic Aids > How To Troubleshoot The Body ElectricalStarting and ChargingOpen43.Cigarette Lighter — Diagnostic Aids > How To Troubleshoot The Body ElectricalInstrument Panel, Gauges and Warning IndicatorsOpen44.Connector Views > Connector Views By View Number > View 114 - Trunk Latch Switch Connector View (except Remote Trunk Release)GeneralOpen45.Connector Views > Connector Views By View Number > View 115 - Trunk Light Connector ViewGeneralOpen46.Connector Views > Connector Views By View Number > View 12 - Horn Connector View (except USA Si, Mexico, Latin America)GeneralOpen47.Connector Views > Connector Views By View Number > View 13 - Horn Switch Connector ViewGeneralOpen48.Connector Views > Connector Views By View Number > View 158 - Trunk Key Cylinder Switch Connector View (Security: except Remote Trunk Release)GeneralOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
Browse →More Civic Si Wiring Pages
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Same System, Other Vehicles
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