Wiring Diagram Cluster

1998 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

1176

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 1998 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.

Open interactive browser 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.Electrical Diagrams > Body and Frame > Keyless EntryGeneralOpen3.Horn β€” Connector ViewsLighting and HornsOpen4.Horn β€” Diagnostic Aids > CONSULT-II Checking SystemLighting and HornsOpen5.Horn β€” Diagnostic Aids > Ground InspectionLighting and HornsOpen6.Horn β€” Diagnostic Aids > How to Check TerminalsLighting and HornsOpen7.Horn β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisLighting and HornsOpen8.Horn β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsLighting and HornsOpen9.Horn β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresLighting and HornsOpen10.Horn β€” Diagnostic Aids > Work FlowLighting and HornsOpen11.Horn β€” Diagram Information and Instructions > Harness Connector DescriptionLighting and HornsOpen12.Horn β€” Diagram Information and Instructions > How to Read Relay DiagramsLighting and HornsOpen13.Horn β€” Diagram Information and Instructions > How to Read Wiring DiagramsLighting and HornsOpen14.Horn β€” Diagram Information and Instructions > Wire Color Code IdentificationLighting and HornsOpen15.Horn β€” Diagram Information and Instructions > Wiring Diagram CodesLighting and HornsOpen16.Horn β€” Electrical DiagramsLighting and HornsOpen17.Locks > Keyless Entry β€” Connector ViewsBody and FrameOpen18.Locks > Keyless Entry β€” Diagnostic Aids > CONSULT-II Checking SystemBody and FrameOpen19.Locks > Keyless Entry β€” Diagnostic Aids > Ground InspectionBody and FrameOpen20.Locks > Keyless Entry β€” Diagnostic Aids > How to Check TerminalsBody and FrameOpen21.Locks > Keyless Entry β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisBody and FrameOpen22.Locks > Keyless Entry β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsBody and FrameOpen23.Locks > Keyless Entry β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresBody and FrameOpen24.Locks > Keyless Entry β€” Diagnostic Aids > Work FlowBody and FrameOpen25.Locks > Keyless Entry β€” Diagram Information and Instructions > Harness Connector DescriptionBody and FrameOpen26.Locks > Keyless Entry β€” Diagram Information and Instructions > How to Read Relay DiagramsBody and FrameOpen27.Locks > Keyless Entry β€” Diagram Information and Instructions > How to Read Wiring DiagramsBody and FrameOpen28.Locks > Keyless Entry β€” Diagram Information and Instructions > Wire Color Code IdentificationBody and FrameOpen29.Locks > Keyless Entry β€” Diagram Information and Instructions > Wiring Diagram CodesBody and FrameOpen30.Locks > Keyless Entry β€” Electrical DiagramsBody and FrameOpen31.Antitheft and Alarm Systems > Keyless Entry β€” Connector ViewsAccessories and Optional EquipmentOpen32.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > CONSULT-II Checking SystemAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Ground InspectionAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Check TerminalsAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Follow/Perform Trouble DiagnosisAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > How to Perform Electrical Incident Simulation TestsAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresAccessories and Optional EquipmentOpen38.Antitheft and Alarm Systems > Keyless Entry β€” Diagnostic Aids > Work FlowAccessories and Optional EquipmentOpen39.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Harness Connector DescriptionAccessories and Optional EquipmentOpen40.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > How to Read Relay DiagramsAccessories and Optional EquipmentOpen41.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > How to Read Wiring DiagramsAccessories and Optional EquipmentOpen42.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen43.Antitheft and Alarm Systems > Keyless Entry β€” Diagram Information and Instructions > Wiring Diagram CodesAccessories and Optional EquipmentOpen44.Antitheft and Alarm Systems > Keyless Entry β€” Electrical DiagramsAccessories and Optional EquipmentOpen45.Components > Modules > Body Control Module (BCM)GeneralOpen46.Components > Relays > Horn RelayGeneralOpen47.Components > Relays > Theft Warning Horn RelayGeneralOpen48.Components > Switches > Trunk Lid Key Cylinder SwitchGeneralOpen