Wiring Diagram Cluster

1991 Acura NSX 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

NSX V6-3.0L DOHC

Total Vehicle Diagrams

1265

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1991 Acura NSX Application and ID

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.

1991 Acura NSX Application and ID →
1991 Acura NSX Application and ID1991 Acura NSX Application and ID1991 Acura NSX Application and ID

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.Electrical Diagrams > Door Locks > Less Keyless Entry > Part 1 of 3GeneralOpen2.Electrical Diagrams > Door Locks > Less Keyless Entry > Part 2 of 3GeneralOpen3.Electrical Diagrams > Door Locks > Less Keyless Entry > Part 3 of 3GeneralOpen4.Electrical Diagrams > Door Locks > With Keyless EntryGeneralOpen5.Doors, Hood and Trunk > Doors > Front Door — DiagramBody and FrameOpen6.Electrical Diagrams > HornGeneralOpen7.Electrical Diagrams > Interior Lighting Module > Entry LightGeneralOpen8.Electrical Diagrams > Interior Lighting Module > Ignitign Key Warning BeeperGeneralOpen9.Electrical Diagrams > Interior Lighting Module > Lights-on WarningGeneralOpen10.Electrical Diagrams > Interior Lighting Module > Oil Pressure Warning FlasherGeneralOpen11.Electrical Diagrams > Interior Lighting Module > Power Window Key-Off TimerGeneralOpen12.Electrical Diagrams > Interior Lighting Module > Rear Window Defogger TimerGeneralOpen13.Electrical Diagrams > Interior Lighting Module > Seat Belt Beeper TimerGeneralOpen14.Electrical Diagrams > Interior Lighting Module > Side Marker FlasherGeneralOpen15.Electrical Diagrams > Interior Lighting Module > Wiper/Washer ControlGeneralOpen16.Electrical Diagrams > Trunk / Liftgate LatchGeneralOpen17.Electrical Diagrams > Trunk LampGeneralOpen18.Harness > Trunk Wire HarnessGeneralOpen19.Headlamp — Diagnostic Aids > Continuity and Resistance CheckLighting and HornsOpen20.Headlamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsLighting and HornsOpen21.Headlamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsLighting and HornsOpen22.Headlamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingLighting and HornsOpen23.Headlamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementLighting and HornsOpen24.Headlamp — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeLighting and HornsOpen25.Headlamp — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresLighting and HornsOpen26.Headlamp — Diagnostic Aids > Finding Short CircuitsLighting and HornsOpen27.Headlamp — Diagnostic Aids > Five Step TroubleshootingLighting and HornsOpen28.Headlamp — Diagnostic Aids > Troubleshooting PrecautionsLighting and HornsOpen29.Headlamp — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMLighting and HornsOpen30.Headlamp — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Lighting and HornsOpen31.Headlamp — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMLighting and HornsOpen32.Headlamp — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityLighting and HornsOpen33.Headlamp — Diagnostic Aids > Voltage CheckLighting and HornsOpen34.Headlamp — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesLighting and HornsOpen35.Headlamp — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsLighting and HornsOpen36.Headlamp — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesLighting and HornsOpen37.Headlamp — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsLighting and HornsOpen38.Headlamp — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CableLighting and HornsOpen39.Headlamp — Diagnostic Aids > Wire Repair Procedures > Terminal RepairLighting and HornsOpen40.Headlamp — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairLighting and HornsOpen41.Headlamp — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsLighting and HornsOpen42.Headlamp — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsLighting and HornsOpen43.Headlamp — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsLighting and HornsOpen44.Headlamp — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsLighting and HornsOpen45.Headlamp — Diagram Information and Instructions > Symbol IdentificationLighting and HornsOpen46.Headlamp — Diagram Information and Instructions > Wires/Wire Color Code IdentificationLighting and HornsOpen47.Headlamp — Electrical Diagrams > CanadaLighting and HornsOpen48.Headlamp — Electrical Diagrams > USALighting and HornsOpen

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OEM Manual Evidence

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1991 Acura NSX Application and IDOEM Manual

Repair and Diagnosis: Application and ID — 1991 Acura NSX V6-3.0L DOHC Service Manual | Operation CHARM Operation CHARM : Car repair manual...

1991 Acura NSX Application and IDOEM Manual

Repair and Diagnosis: Application and ID — 1991 Acura Integra L4-1834cc 1.8L DOHC FI Service Manual | Operation CHARM Operation CHARM : Car...

1991 Acura NSX Application and IDOEM Manual

Repair and Diagnosis: Application and ID — 1991 Acura Legend Sedan V6-3206cc 3.2L SOHC FI Service Manual | Operation CHARM Operation CHARM...

1991 Acura NSX Application and IDOEM Manual

Repair and Diagnosis: Application and ID — 1991 Acura Legend Coupe V6-3206cc 3.2L SOHC FI Service Manual | Operation CHARM Operation CHARM...

Likely Trouble Codes for This System

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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 NSX 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

1990 Acura Integra Body Electrical Wiring Diagram1990 Acura Legend Body Electrical Wiring Diagram1993 Acura NSX Body Electrical Wiring Diagram1993 Acura Vigor Body Electrical Wiring Diagram1996 Acura RL Body Electrical Wiring Diagram1996 Acura TL Body Electrical Wiring Diagram2002 Acura CL Body Electrical Wiring Diagram1991 Acura Legend Coupe Body Electrical Wiring Diagram