Wiring Diagram Cluster
2002 Infiniti Q45 Body Electrical Wiring Diagram
Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.
Matched Diagrams
48
Variant Used
Q45 V8-4.5L (VK45DE)
Total Vehicle Diagrams
1430
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 2002 Infiniti Q45 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 — Connector ViewsBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Ground InspectionBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Check TerminalsBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate — Diagnostic Aids > Work FlowBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Key to Symbols Used In IllustrationsBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen15.Doors, Hood and Trunk > Trunk / Liftgate — Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen16.Doors, Hood and Trunk > Trunk / Liftgate — Electrical DiagramsBody and FrameOpen17.Horn — Connector ViewsLighting and HornsOpen18.Horn — Diagnostic Aids > CONSULT-II Checking SystemLighting and HornsOpen19.Horn — Diagnostic Aids > Ground InspectionLighting and HornsOpen20.Horn — Diagnostic Aids > How to Check TerminalsLighting and HornsOpen21.Horn — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisLighting and HornsOpen22.Horn — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsLighting and HornsOpen23.Horn — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresLighting and HornsOpen24.Horn — Diagnostic Aids > Work FlowLighting and HornsOpen25.Horn — Diagram Information and Instructions > Harness Connector DescriptionLighting and HornsOpen26.Horn — Diagram Information and Instructions > How To Read Harness LayoutLighting and HornsOpen27.Horn — Diagram Information and Instructions > How to Read Relay DiagramsLighting and HornsOpen28.Horn — Diagram Information and Instructions > How to Read Wiring DiagramsLighting and HornsOpen29.Horn — Diagram Information and Instructions > Key to Symbols Used In IllustrationsLighting and HornsOpen30.Horn — Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen31.Horn — Diagram Information and Instructions > Wiring Diagram CodesLighting and HornsOpen32.Horn — Electrical DiagramsLighting and HornsOpen33.Locks > Keyless Entry — Connector ViewsBody and FrameOpen34.Locks > Keyless Entry — Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen35.Locks > Keyless Entry — Diagnostic Aids > Ground InspectionBody and FrameOpen36.Locks > Keyless Entry — Diagnostic Aids > How to Check TerminalsBody and FrameOpen37.Locks > Keyless Entry — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen38.Locks > Keyless Entry — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen39.Locks > Keyless Entry — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen40.Locks > Keyless Entry — Diagnostic Aids > Work FlowBody and FrameOpen41.Locks > Keyless Entry — Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen42.Locks > Keyless Entry — Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen43.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen44.Locks > Keyless Entry — Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen45.Locks > Keyless Entry — Diagram Information and Instructions > Key to Symbols Used In IllustrationsBody and FrameOpen46.Locks > Keyless Entry — Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen47.Locks > Keyless Entry — Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen48.Locks > Keyless Entry — Electrical Diagrams > BL-KEYLESBody and FrameOpen
Exact Vehicle Hub
Browse →Likely Trouble Codes for This System
Browse →More Q45 Wiring Pages
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Same System, Other Vehicles
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