Wiring Diagram Cluster

2004 Infiniti M45 Body Electrical Wiring Diagram

Find body control module wiring, door lock circuits, interior lighting paths, and horn/alarm schematics.

Matched Diagrams

48

Variant Used

M45 V8-4.5L (VK45DE)

Total Vehicle Diagrams

1283

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 2004 Infiniti M45 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.

2004 Infiniti M45 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.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Ground InspectionBody and FrameOpen2.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Check TerminalsBody and FrameOpen3.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen4.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen5.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen6.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagnostic Aids > Work FlowBody and FrameOpen7.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen8.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen9.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen10.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen11.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen12.Doors, Hood and Trunk > Trunk / Liftgate β€” Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen13.Doors, Hood and Trunk > Trunk / Liftgate β€” Electrical DiagramsBody and FrameOpen14.Horn β€” Diagnostic Aids > Ground InspectionLighting and HornsOpen15.Horn β€” Diagnostic Aids > How to Check TerminalsLighting and HornsOpen16.Horn β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisLighting and HornsOpen17.Horn β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsLighting and HornsOpen18.Horn β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresLighting and HornsOpen19.Horn β€” Diagnostic Aids > Work FlowLighting and HornsOpen20.Horn β€” Diagram Information and Instructions > Harness Connector DescriptionLighting and HornsOpen21.Horn β€” Diagram Information and Instructions > How To Read Harness LayoutLighting and HornsOpen22.Horn β€” Diagram Information and Instructions > How to Read Relay DiagramsLighting and HornsOpen23.Horn β€” Diagram Information and Instructions > How to Read Wiring DiagramsLighting and HornsOpen24.Horn β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen25.Horn β€” Diagram Information and Instructions > Wiring Diagram CodesLighting and HornsOpen26.Horn β€” Electrical DiagramsLighting and HornsOpen27.Locks > Keyless Entry β€” Diagnostic Aids > Ground InspectionBody and FrameOpen28.Locks > Keyless Entry β€” Diagnostic Aids > How to Check TerminalsBody and FrameOpen29.Locks > Keyless Entry β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen30.Locks > Keyless Entry β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen31.Locks > Keyless Entry β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen32.Locks > Keyless Entry β€” Diagnostic Aids > Work FlowBody and FrameOpen33.Locks > Keyless Entry β€” Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen34.Locks > Keyless Entry β€” Diagram Information and Instructions > How To Read Harness LayoutBody and FrameOpen35.Locks > Keyless Entry β€” Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen36.Locks > Keyless Entry β€” Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen37.Locks > Keyless Entry β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen38.Locks > Keyless Entry β€” Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen39.Locks > Keyless Entry β€” Electrical Diagrams > BL-KEYLESBody and FrameOpen40.Locks > Keyless Entry β€” Electrical Diagrams > Electronic Key System > BL-NATSBody and FrameOpen41.Locks > Keyless Entry β€” Electrical Diagrams > Electronic Key System > Electronic Key System SchematicBody and FrameOpen42.Locks > Keyless Entry β€” Electrical Diagrams > SchematicBody and FrameOpen43.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Ground InspectionAccessories and Optional EquipmentOpen44.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Check TerminalsAccessories and Optional EquipmentOpen45.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisAccessories and Optional EquipmentOpen46.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsAccessories and Optional EquipmentOpen47.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresAccessories and Optional EquipmentOpen48.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Work FlowAccessories and Optional EquipmentOpen