Wiring Diagram Cluster

2004 Volvo XC90 Body Electrical Wiring Diagram

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

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Matched Diagrams

48

Variant Used

XC90 AWD L5-2.5L Turbo VIN 59 B5254T2

Total Vehicle Diagrams

16687

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OEM source

Factory Manual Evidence

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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 →

U0140: Lost Communication with Body Control Module

Top Body Electrical Diagram Paths

1.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 10/173 Cargo Compartment Lighting, TailgateBody and FrameOpen 2.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 16/10 Horn 1Body and FrameOpen 3.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 2/17 Horn RelayBody and FrameOpen 4.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 2/87 Unlocking Relay, TailgateBody and FrameOpen 5.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/117 Dome Light Control ModuleBody and FrameOpen 6.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/173 Switch, Trunk Lid Private LockBody and FrameOpen 7.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/37 Horn contactBody and FrameOpen 8.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/74-77 LH & RH Front & Rear Door Lock UnitBody and FrameOpen 9.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/78 Trunk Lid Lock UnitBody and FrameOpen 10.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/80 Switch, Left-hand Central LockBody and FrameOpen 11.Body Control Systems — Diagram Information and Instructions > Diagram Legend > 3/82 Switch, Right-hand Central LockBody and FrameOpen 12.Horn — Diagram Information and Instructions > Diagram Legend > 10/173 Cargo Compartment Lighting, TailgateLighting and HornsOpen 13.Horn — Diagram Information and Instructions > Diagram Legend > 2/87 Unlocking Relay, TailgateLighting and HornsOpen 14.Horn — Diagram Information and Instructions > Diagram Legend > 3/117 Dome Light Control ModuleLighting and HornsOpen 15.Horn — Diagram Information and Instructions > Diagram Legend > 3/173 Switch, Trunk Lid Private LockLighting and HornsOpen 16.Horn — Diagram Information and Instructions > Diagram Legend > 3/74-77 LH & RH Front & Rear Door Lock UnitLighting and HornsOpen 17.Horn — Diagram Information and Instructions > Diagram Legend > 3/78 Trunk Lid Lock UnitLighting and HornsOpen 18.Horn — Diagram Information and Instructions > Diagram Legend > 3/80 Switch, Left-hand Central LockLighting and HornsOpen 19.Horn — Diagram Information and Instructions > Diagram Legend > 3/82 Switch, Right-hand Central LockLighting and HornsOpen 20.Horn — Diagram Information and Instructions > Diagram Legend > 6/120 Engine Throttle BodyLighting and HornsOpen 21.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 10/173 Cargo Compartment Lighting, TailgateLighting and HornsOpen 22.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 16/10 Horn 1Lighting and HornsOpen 23.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 2/17 Horn RelayLighting and HornsOpen 24.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 2/87 Unlocking Relay, TailgateLighting and HornsOpen 25.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/117 Dome Light Control ModuleLighting and HornsOpen 26.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/173 Switch, Trunk Lid Private LockLighting and HornsOpen 27.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/37 Horn contactLighting and HornsOpen 28.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/74-77 LH & RH Front & Rear Door Lock UnitLighting and HornsOpen 29.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/78 Trunk Lid Lock UnitLighting and HornsOpen 30.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/80 Switch, Left-hand Central LockLighting and HornsOpen 31.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 3/82 Switch, Right-hand Central LockLighting and HornsOpen 32.Backup Lamp — Diagram Information and Instructions > Diagram Legend > 6/120 Engine Throttle BodyLighting and HornsOpen 33.Body Control Systems — Connector ViewsBody and FrameOpen 34.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Contact Resistance and OxidationBody and FrameOpen 35.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Inspect Terminals VisuallyBody and FrameOpen 36.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Loose Connections (Terminals)Body and FrameOpen 37.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Open-Circuit, Intermittent FaultsBody and FrameOpen 38.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Short-Circuit to Ground, Intermittent FaultsBody and FrameOpen 39.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Intermittent Faults > Short-Circuit to Supply Voltage. Intermittent FaultsBody and FrameOpen 40.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Permanent Faults > Check Terminals VisuallyBody and FrameOpen 41.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Permanent Faults > Contact Resistance and OxidationBody and FrameOpen 42.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Permanent Faults > Open-Circuit, Permanent FaultsBody and FrameOpen 43.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Permanent Faults > Short-Circuit to Ground, Permanent FaultsBody and FrameOpen 44.Body Control Systems — Diagnostic Aids > Checking Wiring and Terminals > Checking Wiring and Terminals - Permanent Faults > Short-Circuit to Supply Voltage. Permanent FaultsBody and FrameOpen 45.Body Control Systems — Diagnostic Aids > Connector, Repair > Connector Brake Control Module (BCM), RepairBody and FrameOpen 46.Body Control Systems — Diagnostic Aids > Connector, Repair > Connector Control Module for Anti-Lock Brake System Module (ABS), RepairBody and FrameOpen 47.Body Control Systems — Diagnostic Aids > Connector, Repair > Connector Data Link Connector (DLC), RepairBody and FrameOpen 48.Body Control Systems — Diagnostic Aids > Connector, Repair > Connector Door, RepairBody and FrameOpen

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2004 Volvo XC90 Repair HubExact Vehicle

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Likely Trouble Codes for This System

B1318: Battery Voltage LowCode

Body/Electrical code commonly seen during body electrical diagnosis.

U0140: Lost Communication with Body Control ModuleCode

Network/Communication code commonly seen during body electrical diagnosis.

More XC90 Wiring Pages

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Same System, Other Vehicles

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