Wiring Diagram Cluster

1993 Volvo 940 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

940 L4-2.3L SOHC VIN 88 B230F

Total Vehicle Diagrams

618

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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.Horn — Diagram Information and Instructions > Component Index and Identification > Component Numbers 1/1 to 7/16Lighting and HornsOpen2.Horn — Diagram Information and Instructions > Component Index and Identification > Component Numbers 17/1 to 31/64Lighting and HornsOpen3.Horn — Diagram Information and Instructions > Component Index and Identification > Component Numbers 7/17 to 16/18Lighting and HornsOpen4.Horn — Diagram Information and Instructions > Connector Index and IdentificationLighting and HornsOpen5.Horn — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen6.Horn — Diagram Information and Instructions > Ground LocationsLighting and HornsOpen7.Horn — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen8.Horn — Electrical DiagramsLighting and HornsOpen9.Trunk Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 1/1 to 7/16Lighting and HornsOpen10.Trunk Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 17/1 to 31/64Lighting and HornsOpen11.Trunk Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 7/17 to 16/18Lighting and HornsOpen12.Trunk Lamp — Diagram Information and Instructions > Connector Index and IdentificationLighting and HornsOpen13.Trunk Lamp — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen14.Trunk Lamp — Diagram Information and Instructions > Ground LocationsLighting and HornsOpen15.Trunk Lamp — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen16.Trunk Lamp — Electrical DiagramsLighting and HornsOpen17.Electrical Diagrams > HornGeneralOpen18.Electrical Diagrams > Instrument Panel, Gauges and Warning Indicators > Door/Trunk Ajar Indicator/LampGeneralOpen19.Electrical Diagrams > Locks > Power Locks > Power Door Lock Control ModuleGeneralOpen20.Electrical Diagrams > Locks > Power Locks > Power Door Lock RelayGeneralOpen21.Electrical Diagrams > Locks > Power Locks > Power Door Lock SwitchGeneralOpen22.Electrical Diagrams > Tailgate Washer & WiperWiper and Washer SystemsOpen23.Electrical Diagrams > Trunk LampGeneralOpen24.Electrical Diagrams > Wiper and Washer Systems > System Diagram > Tailgate Washer & WiperGeneralOpen25.Backup Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 1/1 to 7/16Lighting and HornsOpen26.Backup Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 17/1 to 31/64Lighting and HornsOpen27.Backup Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 7/17 to 16/18Lighting and HornsOpen28.Backup Lamp — Diagram Information and Instructions > Connector Index and IdentificationLighting and HornsOpen29.Backup Lamp — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen30.Backup Lamp — Diagram Information and Instructions > Ground LocationsLighting and HornsOpen31.Backup Lamp — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen32.Backup Lamp — Electrical DiagramsLighting and HornsOpen33.Courtesy Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 1/1 to 7/16Lighting and HornsOpen34.Courtesy Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 17/1 to 31/64Lighting and HornsOpen35.Courtesy Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 7/17 to 16/18Lighting and HornsOpen36.Courtesy Lamp — Diagram Information and Instructions > Connector Index and IdentificationLighting and HornsOpen37.Courtesy Lamp — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen38.Courtesy Lamp — Diagram Information and Instructions > Ground LocationsLighting and HornsOpen39.Courtesy Lamp — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen40.Courtesy Lamp — Electrical DiagramsLighting and HornsOpen41.Fog/Driving Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 1/1 to 7/16Lighting and HornsOpen42.Fog/Driving Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 17/1 to 31/64Lighting and HornsOpen43.Fog/Driving Lamp — Diagram Information and Instructions > Component Index and Identification > Component Numbers 7/17 to 16/18Lighting and HornsOpen44.Fog/Driving Lamp — Diagram Information and Instructions > Connector Index and IdentificationLighting and HornsOpen45.Fog/Driving Lamp — Diagram Information and Instructions > Connector LocationsLighting and HornsOpen46.Fog/Driving Lamp — Diagram Information and Instructions > Ground LocationsLighting and HornsOpen47.Fog/Driving Lamp — Diagram Information and Instructions > Harness LocationsLighting and HornsOpen48.Fog/Driving Lamp — Electrical Diagrams > FrontLighting and HornsOpen

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Likely Trouble Codes for This System

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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 940 Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramABS Brake Wiring DiagramA/C & Heater Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramCruise Control Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring Diagram

Same System, Other Vehicles

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