Wiring Diagram Cluster
1990 Acura Legend Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Legend Coupe V6-2675cc 2.7L SOHC FI
Total Vehicle Diagrams
1270
From Diagram To Fix
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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 1990 Acura Legend 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.Doors, Hood and Trunk > Doors > Front Door — DiagramBody and FrameOpen2.Horn — Diagnostic Aids > Continuity and Resistance CheckLighting and HornsOpen3.Horn — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsLighting and HornsOpen4.Horn — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsLighting and HornsOpen5.Horn — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingLighting and HornsOpen6.Horn — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementLighting and HornsOpen7.Horn — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeLighting and HornsOpen8.Horn — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresLighting and HornsOpen9.Horn — Diagnostic Aids > Finding Short CircuitsLighting and HornsOpen10.Horn — Diagnostic Aids > Five Step TroubleshootingLighting and HornsOpen11.Horn — Diagnostic Aids > Troubleshooting PrecautionsLighting and HornsOpen12.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMLighting and HornsOpen13.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Lighting and HornsOpen14.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMLighting and HornsOpen15.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityLighting and HornsOpen16.Horn — Diagnostic Aids > Voltage CheckLighting and HornsOpen17.Horn — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesLighting and HornsOpen18.Horn — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsLighting and HornsOpen19.Horn — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesLighting and HornsOpen20.Horn — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsLighting and HornsOpen21.Horn — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CableLighting and HornsOpen22.Horn — Diagnostic Aids > Wire Repair Procedures > Terminal RepairLighting and HornsOpen23.Horn — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairLighting and HornsOpen24.Horn — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsLighting and HornsOpen25.Horn — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsLighting and HornsOpen26.Horn — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsLighting and HornsOpen27.Horn — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsLighting and HornsOpen28.Horn — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen29.Horn — Diagram Information and Instructions > Wires/Wire Color Code IdentificationLighting and HornsOpen30.Horn — Electrical DiagramsLighting and HornsOpen31.Electrical Diagrams > Door/Trunk Ajar Indicator/LampGeneralOpen32.Electrical Diagrams > HornGeneralOpen33.Electrical Diagrams > Interior Lighting ModuleGeneralOpen34.Electrical Diagrams > Powertrain Management > Body Control ModuleGeneralOpen35.Electrical Diagrams > Trunk / Liftgate LatchGeneralOpen36.Electrical Diagrams > Trunk LampGeneralOpen37.Courtesy Lamp — Diagnostic Aids > Continuity and Resistance CheckLighting and HornsOpen38.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsLighting and HornsOpen39.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsLighting and HornsOpen40.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingLighting and HornsOpen41.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementLighting and HornsOpen42.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeLighting and HornsOpen43.Courtesy Lamp — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresLighting and HornsOpen44.Courtesy Lamp — Diagnostic Aids > Finding Short CircuitsLighting and HornsOpen45.Courtesy Lamp — Diagnostic Aids > Five Step TroubleshootingLighting and HornsOpen46.Courtesy Lamp — Diagnostic Aids > Troubleshooting PrecautionsLighting and HornsOpen47.Courtesy Lamp — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMLighting and HornsOpen48.Courtesy Lamp — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Lighting and HornsOpen
Exact Vehicle Hub
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Same System, Other Vehicles
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