Wiring Diagram Cluster

2000 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 V8-4130cc 4.1L DOHC MFI (VH41)

Total Vehicle Diagrams

1322

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.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 2000 Infiniti Q45 hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub β†’

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.

2000 Infiniti Q45 A L L Diagnostic Trouble Codes ( DTC ) β†’

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 β†’

Top Body Electrical Diagram Paths

1.Connector Views > Body and Frame > Keyless EntryGeneralOpen2.Connector Views > Body and Frame > Trunk / Liftgate > Trunk ClosureGeneralOpen3.Connector Views > Body and Frame > Trunk / Liftgate > Trunk Lid and Fuel Filler Lid OpenerGeneralOpen4.Connector Views > Lighting and Horns > Trunk LampGeneralOpen5.Electrical Diagrams > Body and Frame > Keyless EntryGeneralOpen6.Electrical Diagrams > Body and Frame > Trunk / Liftgate > EL-T/CLOSGeneralOpen7.Electrical Diagrams > Body and Frame > Trunk / Liftgate > EL-T&FLIDGeneralOpen8.Electrical Diagrams > Lighting and Horns > Trunk LampGeneralOpen9.Doors, Hood and Trunk > Trunk / Liftgate β€” Connector Views > Trunk ClosureBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate β€” Connector Views > Trunk Lid and Fuel Filler Lid OpenerBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Ground InspectionBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Check TerminalsBody and FrameOpen14.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen15.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen16.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen17.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Work FlowBody and FrameOpen18.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen19.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen20.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen21.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen22.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen23.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen24.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical Diagrams > EL-T/CLOSBody and FrameOpen25.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical Diagrams > EL-T&FLIDBody and FrameOpen26.Horn β€” Connector ViewsLighting and HornsOpen27.Horn β€” Diagnostic Aids > CONSULT-II Checking SystemLighting and HornsOpen28.Horn β€” Diagnostic Aids > Ground InspectionLighting and HornsOpen29.Horn β€” Diagnostic Aids > How to Check TerminalsLighting and HornsOpen30.Horn β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisLighting and HornsOpen31.Horn β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsLighting and HornsOpen32.Horn β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresLighting and HornsOpen33.Horn β€” Diagnostic Aids > Work FlowLighting and HornsOpen34.Horn β€” Diagram Information and Instructions > Harness Connector DescriptionLighting and HornsOpen35.Horn β€” Diagram Information and Instructions > How To Read Harness LayoutLighting and HornsOpen36.Horn β€” Diagram Information and Instructions > How to Read Relay DiagramsLighting and HornsOpen37.Horn β€” Diagram Information and Instructions > How to Read Wiring DiagramsLighting and HornsOpen38.Horn β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen39.Horn β€” Diagram Information and Instructions > Wiring Diagram CodesLighting and HornsOpen40.Horn β€” Electrical DiagramsLighting and HornsOpen41.Locks > Keyless Entry β€” Connector ViewsBody and FrameOpen42.Locks > Keyless Entry β€” Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen43.Locks > Keyless Entry β€” Diagnostic Aids > Ground InspectionBody and FrameOpen44.Locks > Keyless Entry β€” Diagnostic Aids > How to Check TerminalsBody and FrameOpen45.Locks > Keyless Entry β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen46.Locks > Keyless Entry β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen47.Locks > Keyless Entry β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen48.Locks > Keyless Entry β€” Diagnostic Aids > Work FlowBody and FrameOpen