Wiring Diagram Cluster

2002 Toyota Celica GT 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

Celica GT L4-1.8L (1ZZ-FE)

Total Vehicle Diagrams

686

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2002 Toyota Celica GT External Pages

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.

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2002 Toyota Celica GT External Pages2002 Toyota Celica GT External Pages2002 Toyota Celica GT External Pages

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.Doors, Hood and Trunk > Doors > Front Door — DiagramBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — DiagramBody and FrameOpen3.Horn — Diagnostic Aids > Continuity and Resistance CheckLighting and HornsOpen4.Horn — Diagnostic Aids > Disconnection of Male and Female ConnectorsLighting and HornsOpen5.Horn — Diagnostic Aids > Finding A Short CircuitLighting and HornsOpen6.Horn — Diagnostic Aids > How to Replace TerminalLighting and HornsOpen7.Horn — Diagnostic Aids > Voltage CheckLighting and HornsOpen8.Horn — Diagram Information and Instructions > Glossary of Terms and SymbolsLighting and HornsOpen9.Horn — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Connector ListLighting and HornsOpen10.Horn — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Ground PointsLighting and HornsOpen11.Horn — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Power SourceLighting and HornsOpen12.Horn — Diagram Information and Instructions > How to Use Wiring Diagrams > Key to DiagramsLighting and HornsOpen13.Horn — Electrical Diagrams > Service HintsLighting and HornsOpen14.Horn — Electrical Diagrams > Wiring DiagramsLighting and HornsOpen15.Locks > Keyless Entry — Diagnostic Aids > Continuity and Resistance CheckBody and FrameOpen16.Locks > Keyless Entry — Diagnostic Aids > Disconnection of Male and Female ConnectorsBody and FrameOpen17.Locks > Keyless Entry — Diagnostic Aids > Finding A Short CircuitBody and FrameOpen18.Locks > Keyless Entry — Diagnostic Aids > How to Replace TerminalBody and FrameOpen19.Locks > Keyless Entry — Diagnostic Aids > Voltage CheckBody and FrameOpen20.Locks > Keyless Entry — Diagram Information and Instructions > Glossary of Terms and SymbolsBody and FrameOpen21.Locks > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Connector ListBody and FrameOpen22.Locks > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Ground PointsBody and FrameOpen23.Locks > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Power SourceBody and FrameOpen24.Locks > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > Key to DiagramsBody and FrameOpen25.Locks > Keyless Entry — Electrical Diagrams > Service HintsBody and FrameOpen26.Locks > Keyless Entry — Electrical Diagrams > Wiring DiagramsBody and FrameOpen27.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Continuity and Resistance CheckAccessories and Optional EquipmentOpen28.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Disconnection of Male and Female ConnectorsAccessories and Optional EquipmentOpen29.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Finding A Short CircuitAccessories and Optional EquipmentOpen30.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > How to Replace TerminalAccessories and Optional EquipmentOpen31.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Voltage CheckAccessories and Optional EquipmentOpen32.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > Glossary of Terms and SymbolsAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Connector ListAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Ground PointsAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > How to Read Power SourceAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems > Keyless Entry — Diagram Information and Instructions > How to Use Wiring Diagrams > Key to DiagramsAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Service HintsAccessories and Optional EquipmentOpen38.Antitheft and Alarm Systems > Keyless Entry — Electrical Diagrams > Wiring DiagramsAccessories and Optional EquipmentOpen39.Components > BodyGeneralOpen40.Components > Relays, Relay Boxes and Junction Boxes > BodyGeneralOpen41.Connector Views > BodyPower and Ground DistributionOpen42.Connector Views > Power and Ground Distribution > Fuse Block > BodyGeneralOpen43.Connector Views > Power and Ground Distribution > System Diagram > BodyGeneralOpen44.Connector Views > Wire Harness to Wire Harness Connectors > BodyGeneralOpen45.Connectors > BodyGeneralOpen46.Connectors > Wire Harness to Wire Harness > BodyGeneralOpen47.Electrical Diagrams > Horn > Service HintsGeneralOpen48.Electrical Diagrams > Horn > Wiring DiagramsGeneralOpen

Parts & Tools for This Job

Common parts shoppers buy for 2002 Toyota Celica GT Body Electrical.

part

Assorted Fuses

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Relays

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Digital Multimeter

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Wire Repair Kit

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OEM Manual Evidence

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2002 Toyota Celica GT External PagesOEM Manual

External Pages — 2002 Toyota Celica GT, Automatic Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Toyota...

2002 Toyota Celica GT External PagesOEM Manual

External Pages — 2002 Toyota Celica GT, Standard Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Toyota >...

2002 Toyota Celica GT External PagesOEM Manual

External Pages — 2002 Toyota Celica GT-S, Automatic Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Toyot...

2002 Toyota Celica GT External PagesOEM Manual

External Pages — 2002 Toyota Celica GT-S, Standard Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home >> Toyota...

Likely Trouble Codes for This System

Browse →
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 Celica GT Wiring Pages

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Same System, Other Vehicles

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