Wiring Diagram Cluster
2003 Infiniti Truck FX45 Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
FX45 V8-4.5L (VK45DE)
Total Vehicle Diagrams
1281
From Diagram To Fix
Use this wiring page as the jump point, not the dead end
Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.
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Vehicle Repair Hub
Step out of raw diagrams and into the full 2003 Infiniti Truck FX45 hub with repairs, specs, codes, and other systems already tied to this car.
View vehicle repair hub →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.
Open interactive browser →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 →Top Body Electrical Diagram Paths
1.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Ground InspectionBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Check TerminalsBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Work FlowBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen15.Horn — Diagnostic Aids > CONSULT-II Checking SystemLighting and HornsOpen16.Horn — Diagnostic Aids > Ground InspectionLighting and HornsOpen17.Horn — Diagnostic Aids > How to Check TerminalsLighting and HornsOpen18.Horn — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisLighting and HornsOpen19.Horn — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsLighting and HornsOpen20.Horn — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresLighting and HornsOpen21.Horn — Diagnostic Aids > Work FlowLighting and HornsOpen22.Horn — Diagram Information and Instructions > Harness Connector DescriptionLighting and HornsOpen23.Horn — Diagram Information and Instructions > How To Read Harness LayoutLighting and HornsOpen24.Horn — Diagram Information and Instructions > How to Read Relay DiagramsLighting and HornsOpen25.Horn — Diagram Information and Instructions > How to Read Wiring DiagramsLighting and HornsOpen26.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen27.Horn — Diagram Information and Instructions > Wiring Diagram CodesLighting and HornsOpen28.Horn — Electrical DiagramsLighting and HornsOpen29.Locks > Keyless Entry — Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen30.Locks > Keyless Entry — Diagnostic Aids > Ground InspectionBody and FrameOpen31.Locks > Keyless Entry — Diagnostic Aids > How to Check TerminalsBody and FrameOpen32.Locks > Keyless Entry — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen33.Locks > Keyless Entry — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen34.Locks > Keyless Entry — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen35.Locks > Keyless Entry — Diagnostic Aids > Work FlowBody and FrameOpen36.Locks > Keyless Entry — Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen37.Locks > Keyless Entry — Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen38.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen39.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen40.Locks > Keyless Entry — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen41.Locks > Keyless Entry — Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen42.Locks > Keyless Entry — Electrical Diagrams > Intelligent Key System > BL-I/KEYBody and FrameOpen43.Locks > Keyless Entry — Electrical Diagrams > Intelligent Key System > Intelligent Key System SchematicBody and FrameOpen44.Locks > Keyless Entry — Electrical Diagrams > Remote Keyless Entry System > BL-KEYLESBody and FrameOpen45.Locks > Keyless Entry — Electrical Diagrams > Remote Keyless Entry System > SchematicBody and FrameOpen46.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > CONSULT-II Checking SystemAccessories and Optional EquipmentOpen47.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > Ground InspectionAccessories and Optional EquipmentOpen48.Antitheft and Alarm Systems > Keyless Entry — Diagnostic Aids > How to Check TerminalsAccessories and Optional EquipmentOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
Browse →More FX45 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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