Wiring Diagram Cluster
1990 Acura Legend Sedan A/C & Heater Wiring Diagram
Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.
Matched Diagrams
48
Variant Used
Legend Sedan V6-2675cc 2.7L SOHC FI
Total Vehicle Diagrams
1268
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 1990 Acura Legend Sedan 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.
1990 Acura Legend Sedan A L L Diagnostic Trouble Codes ( DTC ) →Stay in wiring
More System Pages for This Vehicle
Move laterally into the neighboring systems that usually share the same electrical neighborhood.
Starter Wiring Diagram →Top A/C & Heater Diagram Paths
1.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > Electronic Climate Control PanelGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Control Assembly, HVAC > Manual A/CGeneralOpen3.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Automatic Climate ControlGeneralOpen4.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Electrical Diagrams > Blower ControlGeneralOpen5.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Electrical Diagrams > Compressor Controls and Fans > Part 1 of 2GeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Electrical Diagrams > Compressor Controls and Fans > Part 2 of 2GeneralOpen7.Electrical Diagrams > Sedan > Automatic Climate Control > Electrical Diagrams > Blower ControlHeating and Air ConditioningOpen8.Electrical Diagrams > Sedan > Automatic Climate Control > Electrical Diagrams > Compressor Controls and Fans > Part 1 of 2Heating and Air ConditioningOpen9.Electrical Diagrams > Sedan > Automatic Climate Control > Electrical Diagrams > Compressor Controls and Fans > Part 2 of 2Heating and Air ConditioningOpen10.Connector Views > Heating and Air Conditioning > Compressor Clutch RelayGeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > Blower Motor > Manual Air ConditionerGeneralOpen12.Electrical Diagrams > Heating and Air Conditioning > Condenser Fan > Automatic Climate ControlGeneralOpen13.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Compressor ControlsGeneralOpen14.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Cooling Fan Control > Automatic Climate ControlGeneralOpen15.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Electrical Diagrams > Air Delivery > Part 1 of 2GeneralOpen16.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Electrical Diagrams > Air Delivery > Part 2 of 2GeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Automatic Climate Control > Wiring DiagramsGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Manual Air Conditioner > Electrical Diagrams > Blower ControlsGeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Manual Air Conditioner > Electrical Diagrams > Compressor Controls and Fans > Part 1 of 2GeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Manual Air Conditioner > Electrical Diagrams > Compressor Controls and Fans > Part 2 of 2GeneralOpen21.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Sedan > Manual Air Conditioner > Wiring Diagrams > HeaterGeneralOpen22.Antenna — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementAccessories and Optional EquipmentOpen23.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Continuity and Resistance CheckBrakes and Traction ControlOpen24.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsBrakes and Traction ControlOpen25.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsBrakes and Traction ControlOpen26.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingBrakes and Traction ControlOpen27.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementBrakes and Traction ControlOpen28.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeBrakes and Traction ControlOpen29.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresBrakes and Traction ControlOpen30.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Finding Short CircuitsBrakes and Traction ControlOpen31.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Five Step TroubleshootingBrakes and Traction ControlOpen32.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Troubleshooting PrecautionsBrakes and Traction ControlOpen33.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMBrakes and Traction ControlOpen34.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Brakes and Traction ControlOpen35.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMBrakes and Traction ControlOpen36.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityBrakes and Traction ControlOpen37.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Voltage CheckBrakes and Traction ControlOpen38.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesBrakes and Traction ControlOpen39.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsBrakes and Traction ControlOpen40.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesBrakes and Traction ControlOpen41.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsBrakes and Traction ControlOpen42.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CableBrakes and Traction ControlOpen43.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Terminal RepairBrakes and Traction ControlOpen44.Antilock Brakes / Traction Control Systems — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairBrakes and Traction ControlOpen45.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsBrakes and Traction ControlOpen46.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsBrakes and Traction ControlOpen47.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsBrakes and Traction ControlOpen48.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsBrakes and Traction ControlOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1990 Acura Legend Sedan A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Acura Legend Sedan V6-2675cc 2.7L SOHC FI Service Manual | Operation CHARM Operation CHARM :...
1990 Acura Legend Sedan Diagnostic Trouble CodesOEM Manual
Repair and Diagnosis: Diagnostic Trouble Codes — 1990 Acura Legend Sedan V6-2675cc 2.7L SOHC FI Service Manual | Operation CHARM Operation...
1990 Acura Legend Sedan How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1990 Acura Legend Sedan V6-2675cc 2.7L SOHC FI Service Manual | Operation CHA...
1990 Acura Legend Sedan A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Acura Legend Coupe V6-2675cc 2.7L SOHC FI Service Manual | Operation CHARM Operation CHARM :...
More Legend Sedan Wiring Pages
Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramABS Brake 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 A/C & Heater Wiring Diagram1990 Acura Legend A/C & Heater Wiring Diagram1993 Acura NSX A/C & Heater Wiring Diagram1993 Acura Vigor A/C & Heater Wiring Diagram1996 Acura RL A/C & Heater Wiring Diagram1996 Acura TL A/C & Heater Wiring Diagram1990 Acura Legend Coupe A/C & Heater Wiring Diagram2002 Acura CL A/C & Heater Wiring Diagram