Wiring Diagram Cluster
2003 Volvo S40 Cruise Control Wiring Diagram
Find cruise control module wiring, servo/actuator circuits, brake cancel switch paths, and speed control schematics.
Matched Diagrams
48
Variant Used
S40 L4-1.9L Turbo VIN 27 B4204T4
Total Vehicle Diagrams
9269
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 2003 Volvo S40 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 →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0121: Throttle Position Sensor A Range/Performance →Top Cruise Control Diagram Paths
1.Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlCruise ControlOpen2.Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlCruise ControlOpen3.Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlCruise ControlOpen4.Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlCruise ControlOpen5.Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlCruise ControlOpen6.Diagram Information and Instructions > Diagram Legend > 4/14 Control Module, Passenger Compartment Fan Speed ControlCruise ControlOpen7.Air Bag Systems — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlRestraints and Safety SystemsOpen8.Air Bag Systems — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlRestraints and Safety SystemsOpen9.Air Bag Systems — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlRestraints and Safety SystemsOpen10.Air Bag Systems — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlRestraints and Safety SystemsOpen11.Air Bag Systems — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlRestraints and Safety SystemsOpen12.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlBrakes and Traction ControlOpen13.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlBrakes and Traction ControlOpen14.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlBrakes and Traction ControlOpen15.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlBrakes and Traction ControlOpen16.Antilock Brakes / Traction Control Systems — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlBrakes and Traction ControlOpen17.Antitheft and Alarm Systems — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlAccessories and Optional EquipmentOpen18.Antitheft and Alarm Systems — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlAccessories and Optional EquipmentOpen19.Antitheft and Alarm Systems — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlAccessories and Optional EquipmentOpen20.Antitheft and Alarm Systems — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlAccessories and Optional EquipmentOpen21.Antitheft and Alarm Systems — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlAccessories and Optional EquipmentOpen22.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlLighting and HornsOpen23.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlLighting and HornsOpen24.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlLighting and HornsOpen25.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlLighting and HornsOpen26.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlLighting and HornsOpen27.Components > Brake Pedal Contact, Cruise ControlGeneralOpen28.Components > Clutch Pedal Contact, Cruise ControlGeneralOpen29.Components > Control Module, Cruise ControlGeneralOpen30.Components > Control, Cruise ControlGeneralOpen31.Components > Vacuum Pump, Cruise ControlGeneralOpen32.Compressor HVAC — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlHeating and Air ConditioningOpen33.Compressor HVAC — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlHeating and Air ConditioningOpen34.Compressor HVAC — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlHeating and Air ConditioningOpen35.Compressor HVAC — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlHeating and Air ConditioningOpen36.Compressor HVAC — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlHeating and Air ConditioningOpen37.Cooling System > Radiator Cooling Fan — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlEngine, Cooling and ExhaustOpen38.Cooling System > Radiator Cooling Fan — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlEngine, Cooling and ExhaustOpen39.Cooling System > Radiator Cooling Fan — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlEngine, Cooling and ExhaustOpen40.Cooling System > Radiator Cooling Fan — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlEngine, Cooling and ExhaustOpen41.Cooling System > Radiator Cooling Fan — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlEngine, Cooling and ExhaustOpen42.Courtesy Lamp — Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlLighting and HornsOpen43.Courtesy Lamp — Diagram Information and Instructions > Diagram Legend > 3/15 Clutch Pedal Contact, Cruise ControlLighting and HornsOpen44.Courtesy Lamp — Diagram Information and Instructions > Diagram Legend > 3/4 Control, Cruise ControlLighting and HornsOpen45.Courtesy Lamp — Diagram Information and Instructions > Diagram Legend > 4/5 Control Module, Cruise ControlLighting and HornsOpen46.Courtesy Lamp — Diagram Information and Instructions > Diagram Legend > 6/12 Vacuum Pump, Cruise ControlLighting and HornsOpen47.Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlGeneralOpen48.Diagram Information and Instructions > Diagram Legend > 3/14 Brake Pedal Contact, Cruise ControlHeating and Air ConditioningOpen
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