Wiring Diagram Cluster

2003 Acura 3.5RL 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

3.5RL V6-3474cc 3.5L

Total Vehicle Diagrams

2380

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2003 Acura 3.5RL Testing and Inspection

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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.

2003 Acura 3.5RL Testing and Inspection →
2003 Acura 3.5RL Tools and Equipment2003 Acura 3.5RL Tools and Equipment2003 Acura 3.5RL Service Precautions

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.Electrical Diagrams > Lighting and Horns > Interior Lighting Module > Circuit DiagramsGeneralOpen2.Electrical Diagrams > Lighting and Horns > Interior Lighting Module > Wiring DiagramsGeneralOpen3.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Five-Step TroubleshootingBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Terminal Replacement Procedure > Checking For Poor Fit of TerminalsBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Terminal Replacement Procedure > How to Install New TerminalsBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Terminal Replacement Procedure > How to Install Pigtail TerminalsBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Terminal Replacement Procedure > How to Replace Connector TerminalsBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Terminal Replacement Procedure > Pigtail Terminal Selection ChartBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Body and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing for a Short with a Test Light or DVOMBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing For ContinuityBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing For VoltageBody and FrameOpen15.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage DropBody and FrameOpen16.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Identify Connector TerminalsBody and FrameOpen17.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Circuit SchematicsBody and FrameOpen18.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Component LocationsBody and FrameOpen19.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Connector ViewsBody and FrameOpen20.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Ground Distribution SchematicsBody and FrameOpen21.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Power Distribution SchematicsBody and FrameOpen22.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > ComponentsBody and FrameOpen23.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > Connectors - "C"Body and FrameOpen24.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > DiodesBody and FrameOpen25.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > FusesBody and FrameOpen26.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > Ground - "G"Body and FrameOpen27.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > ShieldingBody and FrameOpen28.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > SplicesBody and FrameOpen29.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > SwitchesBody and FrameOpen30.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > Terminals - "T"Body and FrameOpen31.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > Wire Color AbbreviationsBody and FrameOpen32.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Symbols > WiresBody and FrameOpen33.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Circuit DiagramsBody and FrameOpen34.Doors, Hood and Trunk > Trunk / Liftgate — Electrical Diagrams > Wiring DiagramsBody and FrameOpen35.Horn — Diagnostic Aids > Five-Step TroubleshootingLighting and HornsOpen36.Horn — Diagnostic Aids > Terminal Replacement Procedure > Checking For Poor Fit of TerminalsLighting and HornsOpen37.Horn — Diagnostic Aids > Terminal Replacement Procedure > How to Install New TerminalsLighting and HornsOpen38.Horn — Diagnostic Aids > Terminal Replacement Procedure > How to Install Pigtail TerminalsLighting and HornsOpen39.Horn — Diagnostic Aids > Terminal Replacement Procedure > How to Replace Connector TerminalsLighting and HornsOpen40.Horn — Diagnostic Aids > Terminal Replacement Procedure > Pigtail Terminal Selection ChartLighting and HornsOpen41.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMLighting and HornsOpen42.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Lighting and HornsOpen43.Horn — Diagnostic Aids > Troubleshooting Tests > Testing for a Short with a Test Light or DVOMLighting and HornsOpen44.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For ContinuityLighting and HornsOpen45.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For VoltageLighting and HornsOpen46.Horn — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage DropLighting and HornsOpen47.Horn — Diagram Information and Instructions > How to Identify Connector TerminalsLighting and HornsOpen48.Horn — Diagram Information and Instructions > How to Read and Use Wiring Diagram > Circuit SchematicsLighting and HornsOpen

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OEM Manual Evidence

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2003 Acura 3.5RL Testing and InspectionOEM Manual

Repair and Diagnosis: Testing and Inspection — 2003 Acura 3.5RL V6-3474cc 3.5L Service Manual | Operation CHARM Operation CHARM : Car repai...

2003 Acura 3.5RL Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2003 Acura 3.2CL V6-3.2L SOHC Service Manual | Operation CHARM Operation CHARM : Car repair man...

2003 Acura 3.5RL Tools and EquipmentOEM Manual

Repair and Diagnosis: Tools and Equipment — 2003 Acura 3.2TL V6-3.2L SOHC Service Manual | Operation CHARM Operation CHARM : Car repair man...

2003 Acura 3.5RL Service PrecautionsOEM Manual

Repair and Diagnosis: Service Precautions — 2003 Acura RSX L4-2.0L Service Manual | Operation CHARM Operation CHARM : Car repair manuals fo...

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.

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Same System, Other Vehicles

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