Wiring Diagram Cluster
1990 Acura Legend Fuel Pump Wiring Diagram
Find fuel-pump power and control wiring, relay paths, and fuel-level sender references to speed up no-start diagnosis.
Matched Diagrams
48
Variant Used
Legend Coupe V6-2675cc 2.7L SOHC FI
Total Vehicle Diagrams
1270
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 1990 Acura Legend hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →Likely fix path
Exact Repair Guides
These repair flows most often intersect with fuel pump diagnosis on this exact vehicle.
Fuel Filter Replacement →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0192: Fuel Rail Pressure Sensor Circuit Low →Top Fuel Pump Diagram Paths
1.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Automatic TransmissionGeneralOpen2.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Manual TransmissionGeneralOpen3.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Continuity and Resistance CheckPowertrain ManagementOpen4.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsPowertrain ManagementOpen5.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsPowertrain ManagementOpen6.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingPowertrain ManagementOpen7.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementPowertrain ManagementOpen8.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargePowertrain ManagementOpen9.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresPowertrain ManagementOpen10.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Finding Short CircuitsPowertrain ManagementOpen11.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Five Step TroubleshootingPowertrain ManagementOpen12.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Troubleshooting PrecautionsPowertrain ManagementOpen13.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMPowertrain ManagementOpen14.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Powertrain ManagementOpen15.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMPowertrain ManagementOpen16.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityPowertrain ManagementOpen17.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Voltage CheckPowertrain ManagementOpen18.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesPowertrain ManagementOpen19.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsPowertrain ManagementOpen20.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesPowertrain ManagementOpen21.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsPowertrain ManagementOpen22.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CablePowertrain ManagementOpen23.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Terminal RepairPowertrain ManagementOpen24.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairPowertrain ManagementOpen25.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsPowertrain ManagementOpen26.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsPowertrain ManagementOpen27.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsPowertrain ManagementOpen28.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsPowertrain ManagementOpen29.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Symbol IdentificationPowertrain ManagementOpen30.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Wires/Wire Color Code IdentificationPowertrain ManagementOpen31.Fuel Delivery and Air Induction > Fuel Pump — Electrical Diagrams > Automatic TransmissionPowertrain ManagementOpen32.Fuel Delivery and Air Induction > Fuel Pump — Electrical Diagrams > Manual TransmissionPowertrain ManagementOpen33.Fuel Delivery and Air Induction > Fuel Pump — Fluid DiagramsPowertrain ManagementOpen34.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Injector ResistorGeneralOpen35.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Automatic Transmission > Part 1 of 5GeneralOpen36.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Automatic Transmission > Part 2 of 5GeneralOpen37.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Automatic Transmission > Part 3 of 5GeneralOpen38.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Automatic Transmission > Part 4 of 5GeneralOpen39.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Automatic Transmission > Part 5 of 5GeneralOpen40.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Manual Transmission > Part 1 of 5GeneralOpen41.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Manual Transmission > Part 2 of 5GeneralOpen42.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Manual Transmission > Part 3 of 5GeneralOpen43.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Manual Transmission > Part 4 of 5GeneralOpen44.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Manual Transmission > Part 5 of 5GeneralOpen45.Electrical Diagrams > Powertrain Management > Main Relay (Computer/Fuel System)GeneralOpen46.Fluid Diagrams > Fuel PumpGeneralOpen47.Fuel Delivery and Air Induction — Diagnostic Aids > Continuity and Resistance CheckPowertrain ManagementOpen48.Fuel Delivery and Air Induction — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsPowertrain ManagementOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →P0192: Fuel Rail Pressure Sensor Circuit LowCode
Fuel code commonly seen during fuel pump diagnosis.
P0230: Fuel Pump Primary CircuitCode
Fuel code commonly seen during fuel pump diagnosis.
P0231: Fuel Pump Secondary Circuit LowCode
Fuel code commonly seen during fuel pump diagnosis.
P2177: System Too Lean Off Idle (Bank 1)Code
Fuel code commonly seen during fuel pump diagnosis.
P0174: System Too Lean (Bank 2)Code
Fuel code commonly seen during fuel pump diagnosis.
P0191: Fuel Rail Pressure Sensor Circuit Range/PerformanceCode
Fuel code commonly seen during fuel pump diagnosis.
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Same System, Other Vehicles
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