Wiring Diagram Cluster

2009 Saturn Astra 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

Astra L4-1.8L

Total Vehicle Diagrams

3517

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2009 Saturn Astra Description and Operation

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.

2009 Saturn Astra Description and Operation →
2009 Saturn Astra Description and Operation2009 Saturn Astra Description and Operation2009 Saturn Astra Description and Operation

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 > System Diagram > Interior Lights Dimming SchematicsGeneralOpen2.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights Schematics > Interior Lights Schematic 1GeneralOpen3.Electrical Diagrams > Lighting and Horns > System Diagram > Interior Lights Schematics > Interior Lights Schematic 2GeneralOpen4.Electrical Diagrams > Interior Lights Dimming SchematicsLighting and HornsOpen5.Electrical Diagrams > Interior Lights Schematics > Interior Lights Schematic 1Lighting and HornsOpen6.Electrical Diagrams > Interior Lights Schematics > Interior Lights Schematic 2Lighting and HornsOpen7.Horn — Connector ViewsLighting and HornsOpen8.Horn — Diagnostic Aids > Arrows and SymbolsLighting and HornsOpen9.Horn — Diagnostic Aids > Decimal and Metric EquivalentsLighting and HornsOpen10.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Checking Aftermarket AccessoriesLighting and HornsOpen11.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Circuit TestingLighting and HornsOpen12.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Inducing Intermittent Fault ConditionsLighting and HornsOpen13.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Measuring FrequencyLighting and HornsOpen14.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Measuring VoltageLighting and HornsOpen15.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Measuring Voltage DropLighting and HornsOpen16.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Probing Electrical ConnectorsLighting and HornsOpen17.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Scan Tool Snapshot ProcedureLighting and HornsOpen18.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Testing for a Short to VoltageLighting and HornsOpen19.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Testing for ContinuityLighting and HornsOpen20.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Testing for Electrical IntermittentsLighting and HornsOpen21.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Testing for Intermittent Conditions and Poor ConnectionsLighting and HornsOpen22.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Testing for Short to GroundLighting and HornsOpen23.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Troubleshooting with a Digital MultimeterLighting and HornsOpen24.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Troubleshooting With A Test LampLighting and HornsOpen25.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Using Connector Test AdaptersLighting and HornsOpen26.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Circuit Testing > Using Fused Jumper WiresLighting and HornsOpen27.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > AFL/ECP ConnectorsLighting and HornsOpen28.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Bosch Connectors (0.64)Lighting and HornsOpen29.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Bosch Connectors (2.8 JPT)Lighting and HornsOpen30.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Bosch Connectors (BSK)Lighting and HornsOpen31.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Bosch Connectors (ECM)Lighting and HornsOpen32.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Connector Position Assurance LocksLighting and HornsOpen33.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Connector RepairsLighting and HornsOpen34.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (12 Way)Lighting and HornsOpen35.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (Micro .64)Lighting and HornsOpen36.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (Micro-Pack 100W)Lighting and HornsOpen37.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (Pull To Seat)Lighting and HornsOpen38.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (Push To Seat)Lighting and HornsOpen39.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Delphi Connectors (Weather Pack)Lighting and HornsOpen40.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > FCI ConnectorsLighting and HornsOpen41.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > JST ConnectorsLighting and HornsOpen42.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Kostal Connectors (Glow Plug Control Module)Lighting and HornsOpen43.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Kostal Connectors (Transmission)Lighting and HornsOpen44.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Molex ConnectorsLighting and HornsOpen45.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Repairing Connector TerminalsLighting and HornsOpen46.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Sumitomo ConnectorsLighting and HornsOpen47.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Terminal Position Assurance LocksLighting and HornsOpen48.Horn — Diagnostic Aids > General Electrical Diagnostic Procedures > Connector Repairs > Tyco/AMP Connectors (0.25 Cap)Lighting and HornsOpen

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OEM Manual Evidence

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2009 Saturn Astra Description and OperationOEM Manual

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2009 Saturn Astra Description and OperationOEM Manual

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2009 Saturn Astra Description and OperationOEM Manual

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2009 Saturn Astra Description and OperationOEM Manual

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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 Astra Wiring Pages

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Same System, Other Vehicles

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