Wiring Diagram Cluster
1990 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
48
Variant Used
240 L4-2.3L SOHC VIN 88 B230F
Total Vehicle Diagrams
469
From Diagram To Fix
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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 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.
1990 Volvo 240 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 > Compressor HVACGeneralOpen2.Compressor HVAC — Diagram Information and Instructions > Component LocationsHeating and Air ConditioningOpen3.Compressor HVAC — Diagram Information and Instructions > Connector LocationsHeating and Air ConditioningOpen4.Compressor HVAC — Diagram Information and Instructions > Ground ConnectionsHeating and Air ConditioningOpen5.Compressor HVAC — Diagram Information and Instructions > Harness LocationsHeating and Air ConditioningOpen6.Compressor HVAC — Diagram Information and Instructions > How to Use Wiring Diagrams and Component/Connector ViewsHeating and Air ConditioningOpen7.Compressor HVAC — Electrical DiagramsHeating and Air ConditioningOpen8.Electrical Diagrams > Heating and Air Conditioning > Control Module HVACGeneralOpen9.Electrical Diagrams > Heating and Air Conditioning > Refrigerant Pressure Sensor / Switch, HVACGeneralOpen10.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Component LocationsHeating and Air ConditioningOpen11.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Connector LocationsHeating and Air ConditioningOpen12.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Ground ConnectionsHeating and Air ConditioningOpen13.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Harness LocationsHeating and Air ConditioningOpen14.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > How to Use Wiring Diagrams and Component/Connector ViewsHeating and Air ConditioningOpen15.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Electrical DiagramsHeating and Air ConditioningOpen16.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > Blower Motor SwitchGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Combined UnitGeneralOpen19.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > Electronically ControlledGeneralOpen20.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Heater > StandardGeneralOpen21.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Component LocationsSensors and SwitchesOpen22.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Connector LocationsSensors and SwitchesOpen23.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Ground ConnectionsSensors and SwitchesOpen24.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > Harness LocationsSensors and SwitchesOpen25.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Diagram Information and Instructions > How to Use Wiring Diagrams and Component/Connector ViewsSensors and SwitchesOpen26.Sensors and Switches - HVAC > Refrigerant Pressure Sensor / Switch — Electrical DiagramsSensors and SwitchesOpen27.Electrical Diagrams > Air ConditioningHeating and Air ConditioningOpen28.Electrical Diagrams > Heater > Combined UnitHeating and Air ConditioningOpen29.Electrical Diagrams > Heater > Electronically ControlledHeating and Air ConditioningOpen30.Electrical Diagrams > Heater > StandardHeating and Air ConditioningOpen31.Backup Lamp — Diagram Information and Instructions > Component LocationsLighting and HornsOpen32.Backup Lamp — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen33.Backup Lamp — Diagram Information and Instructions > Ground ConnectionsLighting and HornsOpen34.Backup Lamp — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen35.Backup Lamp — Diagram Information and Instructions > How to Use Wiring Diagrams and Component/Connector ViewsLighting and HornsOpen36.Backup Lamp — Electrical Diagrams > Reversing (Back-Up) Lights, Automatic TransmissionLighting and HornsOpen37.Backup Lamp — Electrical Diagrams > Reversing (Back-Up) Lights, Manual GearboxLighting and HornsOpen38.Electrical Diagrams > Cruise Control > Vacuum Pump, Cruise ControlGeneralOpen39.Electrical Diagrams > Heating and Air Conditioning > Air Conditioning SwitchGeneralOpen40.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air ConditioningGeneralOpen41.Electrical Diagrams > High/Low Beams (USA/CAN)Lighting and HornsOpen42.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > TachometerGeneralOpen43.Electrical Diagrams > Lighting and Horns > Backup Lamp > Reversing (Back-Up) Lights, Automatic TransmissionGeneralOpen44.Electrical Diagrams > Lighting and Horns > Backup Lamp > Reversing (Back-Up) Lights, Manual GearboxGeneralOpen45.Electrical Diagrams > Lighting and Horns > Headlamp > High/Low Beams (USA/CAN)GeneralOpen46.Electrical Diagrams > Lighting and Horns > System Diagram > High/Low Beams (USA/CAN)GeneralOpen47.Electrical Diagrams > Lighting and Horns > System Diagram > Reversing (Back-Up) Lights, Automatic TransmissionGeneralOpen48.Electrical Diagrams > Lighting and Horns > System Diagram > Reversing (Back-Up) Lights, Manual GearboxGeneralOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1990 Volvo 240 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 1990 Volvo 240 L4-2.3L SOHC VIN 88 B230F Service Manual | Operation CHARM Operation CHARM : Car re...
1990 Volvo 240 Diagnostic Trouble CodesOEM Manual
Repair and Diagnosis: Diagnostic Trouble Codes — 1990 Volvo 240 L4-2.3L SOHC VIN 88 B230F Service Manual | Operation CHARM Operation CHARM...
1990 Volvo 240 Testing and InspectionOEM Manual
A L L Diagnostic Trouble Codes ( DTC ): Testing and Inspection — 1990 Volvo 780 V6-2849cc 2.8L SOHC B280F Service Manual | Operation CHARM...
1990 Volvo 240 Testing and InspectionOEM Manual
A L L Diagnostic Trouble Codes ( DTC ): Testing and Inspection — 1990 Volvo 760 V6-2849cc 2.8L SOHC B280F Service Manual | Operation CHARM...
More 240 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
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