Wiring Diagram Cluster

2008 Volvo S40 Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

S40 2.4i L5-2.4L VIN 38 B5244S4

Total Vehicle Diagrams

35099

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 2008 Volvo S40 hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

2008 Volvo S40 Cruise Control β†’

Diagnostic signal

Codes Often Seen With This System

Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.

B1318: Battery Voltage Low β†’

Top Body Electrical Diagram Paths

1.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockBody and FrameOpen2.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateBody and FrameOpen3.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateBody and FrameOpen4.Horn β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockLighting and HornsOpen5.Horn β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateLighting and HornsOpen6.Horn β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateLighting and HornsOpen7.Locks > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockBody and FrameOpen8.Locks > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateBody and FrameOpen9.Locks > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateBody and FrameOpen10.Locks > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockBody and FrameOpen11.Locks > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateBody and FrameOpen12.Locks > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateBody and FrameOpen13.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockAccessories and Optional EquipmentOpen14.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateAccessories and Optional EquipmentOpen15.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateAccessories and Optional EquipmentOpen16.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockAccessories and Optional EquipmentOpen17.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateAccessories and Optional EquipmentOpen18.Antitheft and Alarm Systems > Keyless Entry > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateAccessories and Optional EquipmentOpen19.Starting System > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockStarting and ChargingOpen20.Starting System > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateStarting and ChargingOpen21.Starting System > Keyless Starting System β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateStarting and ChargingOpen22.Backup Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockLighting and HornsOpen23.Backup Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateLighting and HornsOpen24.Backup Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateLighting and HornsOpen25.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/10 Horn 1Body and FrameOpen26.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/11 Horn 2Body and FrameOpen27.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/132 Antenna, Door Lock, BumperBody and FrameOpen28.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/133 Antenna Door Lock Cabin 1 RearBody and FrameOpen29.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/134 Antenna Door Lock Cabin 2Body and FrameOpen30.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/135 Antenna Door Lock Cabin 3Body and FrameOpen31.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 2/17 Relay, HornBody and FrameOpen32.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 2/89 Relay, Interior LightingBody and FrameOpen33.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/37 Contact HornBody and FrameOpen34.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/80 Switch, Central Locking Driver's DoorBody and FrameOpen35.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/82 Switch, Central Locking Passenger DoorBody and FrameOpen36.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 4/119 Signal Receiver, Keyless Vehicle (RKE)Body and FrameOpen37.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 4/93 Keyless Vehicle Module (KVM)Body and FrameOpen38.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to August 2008 > Diagram Legend > 2/17 Relay, HornBody and FrameOpen39.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to August 2008 > Diagram Legend > 2/89 Relay, Interior LightingBody and FrameOpen40.Body Control Systems β€” Diagram Information and Instructions > Changes Introduced Up to August 2008 > Diagram Legend > 4/119 Signal Receiver, Keyless Vehicle (RKE)Body and FrameOpen41.Courtesy Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/173 Switch, Trunk Lid/Tailgate Private LockLighting and HornsOpen42.Courtesy Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/35 Switch, Handle, Trunk Lid/TailgateLighting and HornsOpen43.Courtesy Lamp β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 3/78 Lock Unit Trunk Lid/TailgateLighting and HornsOpen44.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/10 Horn 1Body and FrameOpen45.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/11 Horn 2Body and FrameOpen46.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/132 Antenna, Door Lock, BumperBody and FrameOpen47.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/133 Antenna Door Lock Cabin 1 RearBody and FrameOpen48.Doors, Hood and Trunk > Fuel Door β€” Diagram Information and Instructions > Changes Introduced Up to and Including April 2007 > Diagram Legend > 16/134 Antenna Door Lock Cabin 2Body and FrameOpen