Wiring Diagram Cluster
1991 Acura NSX Alternator Wiring Diagram
Find charging-system schematics including alternator field/control wiring, battery feeds, and fuse/relay paths.
Matched Diagrams
48
Variant Used
NSX V6-3.0L DOHC
Total Vehicle Diagrams
1265
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 1991 Acura NSX hub with repairs, specs, codes, and other systems already tied to this car.
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Exact Repair Guides
These repair flows most often intersect with alternator diagnosis on this exact vehicle.
Alternator Replacement →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0563: System Voltage High →Top Alternator Diagram Paths
1.Electrical Diagrams > Charging SystemGeneralOpen2.Power and Ground Distribution — Diagnostic Aids > Continuity and Resistance CheckStarting and ChargingOpen3.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsStarting and ChargingOpen4.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsStarting and ChargingOpen5.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingStarting and ChargingOpen6.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementStarting and ChargingOpen7.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeStarting and ChargingOpen8.Power and Ground Distribution — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresStarting and ChargingOpen9.Power and Ground Distribution — Diagnostic Aids > Finding Short CircuitsStarting and ChargingOpen10.Power and Ground Distribution — Diagnostic Aids > Five Step TroubleshootingStarting and ChargingOpen11.Power and Ground Distribution — Diagnostic Aids > Troubleshooting PrecautionsStarting and ChargingOpen12.Power and Ground Distribution — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMStarting and ChargingOpen13.Power and Ground Distribution — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Starting and ChargingOpen14.Power and Ground Distribution — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMStarting and ChargingOpen15.Power and Ground Distribution — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityStarting and ChargingOpen16.Power and Ground Distribution — Diagnostic Aids > Voltage CheckStarting and ChargingOpen17.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesStarting and ChargingOpen18.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsStarting and ChargingOpen19.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesStarting and ChargingOpen20.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsStarting and ChargingOpen21.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CableStarting and ChargingOpen22.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Terminal RepairStarting and ChargingOpen23.Power and Ground Distribution — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairStarting and ChargingOpen24.Power and Ground Distribution — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsStarting and ChargingOpen25.Power and Ground Distribution — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsStarting and ChargingOpen26.Power and Ground Distribution — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsStarting and ChargingOpen27.Power and Ground Distribution — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsStarting and ChargingOpen28.Power and Ground Distribution — Diagram Information and Instructions > Symbol IdentificationStarting and ChargingOpen29.Power and Ground Distribution — Diagram Information and Instructions > Wires/Wire Color Code IdentificationStarting and ChargingOpen30.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G101 > Early Production > Part 1 of 2Starting and ChargingOpen31.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G101 > Early Production > Part 2 of 2Starting and ChargingOpen32.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G101 > Late Production > Part 1 of 2Starting and ChargingOpen33.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G101 > Late Production > Part 2 of 2Starting and ChargingOpen34.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G201Starting and ChargingOpen35.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G202Starting and ChargingOpen36.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G302Starting and ChargingOpen37.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G401 > Part 1 of 2Starting and ChargingOpen38.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G401 > Part 2 of 2Starting and ChargingOpen39.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G402Starting and ChargingOpen40.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G403Starting and ChargingOpen41.Power and Ground Distribution — Electrical Diagrams > Ground Distribution > G551Starting and ChargingOpen42.Power and Ground Distribution — Electrical Diagrams > Power DistributionStarting and ChargingOpen43.Starting System — Diagnostic Aids > Continuity and Resistance CheckStarting and ChargingOpen44.Starting System — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsStarting and ChargingOpen45.Starting System — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsStarting and ChargingOpen46.Starting System — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingStarting and ChargingOpen47.Starting System — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementStarting and ChargingOpen48.Starting System — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeStarting and ChargingOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →1991 Acura NSX Alternator ReplacementRepair
Open the matching repair workflow that usually intersects with alternator diagnosis on this vehicle.
1991 Acura NSX Battery ReplacementRepair
Open the matching repair workflow that usually intersects with alternator diagnosis on this vehicle.
1991 Acura NSX Serpentine Belt ReplacementRepair
Open the matching repair workflow that usually intersects with alternator diagnosis on this vehicle.
Likely Trouble Codes for This System
Browse →P0563: System Voltage HighCode
Electrical code commonly seen during alternator diagnosis.
P0562: System Voltage LowCode
Electrical code commonly seen during alternator diagnosis.
B1318: Battery Voltage LowCode
Body/Electrical code commonly seen during alternator diagnosis.
P0601: ECM/PCM Memory Check Sum ErrorCode
Electrical code commonly seen during alternator diagnosis.
B0001: Driver Frontal Stage 1 Deployment ControlCode
Body/Electrical code commonly seen during alternator diagnosis.
B0010: Passenger Frontal Stage 1 Deployment ControlCode
Body/Electrical code commonly seen during alternator diagnosis.
More NSX Wiring Pages
Starter 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 DiagramBody Electrical Wiring Diagram
Same System, Other Vehicles
1990 Acura Integra Alternator Wiring Diagram1990 Acura Legend Alternator Wiring Diagram1993 Acura NSX Alternator Wiring Diagram1993 Acura Vigor Alternator Wiring Diagram1996 Acura RL Alternator Wiring Diagram1996 Acura TL Alternator Wiring Diagram2002 Acura CL Alternator Wiring Diagram2005 Acura RSX Alternator Wiring Diagram