Wiring Diagram Cluster
1984 Volvo 240 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
41
Variant Used
240 L4-2127cc 2.1L SOHC B21A (Can)
Total Vehicle Diagrams
273
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 1984 Volvo 240 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 →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 > Compressor HVAC > Compressor ClutchGeneralOpen2.Electrical Diagrams > Heating and Air Conditioning > Compressor HVAC > System DiagramGeneralOpen3.Compressor HVAC — Diagram Information and InstructionsHeating and Air ConditioningOpen4.Compressor HVAC — Electrical DiagramsHeating and Air ConditioningOpen5.Electrical Diagrams > Heating and Air Conditioning > Control Module HVACGeneralOpen6.Electrical Diagrams > Heating and Air Conditioning > Coolant Temperature Sensor / Switch HVACGeneralOpen7.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen8.Electrical Diagrams > Heating and Air Conditioning > Blower Motor SwitchGeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Electronic Climate ControlGeneralOpen10.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater Fan, Combined UnitGeneralOpen11.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater Fan, Standard Heating SystemGeneralOpen12.Vacuum and Vapor Hose Diagrams > Emission Control Systems > System Diagram > Idling Compensation (A/C)GeneralOpen13.Electrical Diagrams > Air ConditioningHeating and Air ConditioningOpen14.Electrical Diagrams > Electronic Climate ControlHeating and Air ConditioningOpen15.Electrical Diagrams > Heater Fan, Combined UnitHeating and Air ConditioningOpen16.Electrical Diagrams > Heater Fan, Standard Heating SystemHeating and Air ConditioningOpen17.Radio, Stereo, and Compact Disc > Radio/Stereo — Diagram Information and InstructionsAccessories and Optional EquipmentOpen18.Radio, Stereo, and Compact Disc > Radio/Stereo — Electrical DiagramsAccessories and Optional EquipmentOpen19.Backup Lamp — Diagram Information and InstructionsLighting and HornsOpen20.Backup Lamp — Electrical Diagrams > Reversing (Back-Up) Lights, Automatic TransmissionLighting and HornsOpen21.Backup Lamp — Electrical Diagrams > Reversing (Back-Up) Lights, Manual GearboxLighting and HornsOpen22.Electrical Diagrams > Back-Up Lights > Reversing (Back-Up) Lights, Automatic TransmissionLighting and HornsOpen23.Electrical Diagrams > Back-Up Lights > Reversing (Back-Up) Lights, Manual GearboxLighting and HornsOpen24.Electrical Diagrams > Cruise Control > Vacuum Pump, Cruise ControlGeneralOpen25.Electrical Diagrams > Heating and Air Conditioning > Air Conditioning SwitchGeneralOpen26.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air ConditioningGeneralOpen27.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > TachometerGeneralOpen28.Electrical Diagrams > Lighting and Horns > Backup Lamp > Reversing (Back-Up) Lights, Automatic TransmissionGeneralOpen29.Electrical Diagrams > Lighting and Horns > Backup Lamp > Reversing (Back-Up) Lights, Manual GearboxGeneralOpen30.Electrical Diagrams > Lighting and Horns > System Diagram > Back-Up Lights > Reversing (Back-Up) Lights, Automatic TransmissionGeneralOpen31.Electrical Diagrams > Lighting and Horns > System Diagram > Back-Up Lights > Reversing (Back-Up) Lights, Manual GearboxGeneralOpen32.Electrical Diagrams > Locks > Power Locks > Power Door Lock ActuatorGeneralOpen33.Emission Control Systems — Idling Compensation (A/C)Powertrain ManagementOpen34.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Evaporative Emissions System > Automatic TransmissionGeneralOpen35.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Evaporative Emissions System > Manual TransmissionGeneralOpen36.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Exhaust Gas Recirculation > Automatic TransmissionGeneralOpen37.Vacuum and Vapor Hose Diagrams > Emission Control Systems > Exhaust Gas Recirculation > Manual TransmissionGeneralOpen38.Vacuum and Vapor Hose Diagrams > Emission Control Systems > System Diagram > EVAP SystemGeneralOpen39.Vacuum and Vapor Hose Diagrams > Emission Control Systems > System Diagram > Exhaust Gas Recirculation (EGR) > B21A Engine (Canada) W/ Automatic TransmissionGeneralOpen40.Vacuum and Vapor Hose Diagrams > Emission Control Systems > System Diagram > Exhaust Gas Recirculation (EGR) > B21A Engine (Canada) W/ Manual TransmissionGeneralOpen41.Diagram Information and InstructionsHeating and Air ConditioningOpen
Exact Vehicle Hub
Browse →More 240 Wiring Pages
Same System, Other Vehicles
1990 Toyota Supra A/C & Heater Wiring Diagram1993 Toyota Camry Sedan A/C & Heater Wiring Diagram1993 Toyota Camry Wagon A/C & Heater Wiring Diagram1990 Honda Prelude A/C & Heater Wiring Diagram2013 Toyota Camry A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 2-Door A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 4-Door A/C & Heater Wiring Diagram1994 Toyota Celica A/C & Heater Wiring Diagram