Wiring Diagram Cluster
1998 Infiniti Q45 Fuel Pump Wiring Diagram
Find fuel-pump power and control wiring, relay paths, and fuel-level sender references to speed up no-start diagnosis.
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 →Likely fix path
Exact Repair Guides
These repair flows most often intersect with fuel pump diagnosis on this exact vehicle.
Fuel Pump Replacement →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
P0192: Fuel Rail Pressure Sensor Circuit Low →Top Fuel Pump Diagram Paths
1.Connector Views > Fuel Delivery and Air Induction > Fuel Pump Control UnitGeneralOpen2.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Fuel Pump Control UnitGeneralOpen3.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Fuel Pump RelayGeneralOpen4.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > System DiagramGeneralOpen5.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > CONSULT-II Checking SystemPowertrain ManagementOpen6.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Ground InspectionPowertrain ManagementOpen7.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Check TerminalsPowertrain ManagementOpen8.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisPowertrain ManagementOpen9.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsPowertrain ManagementOpen10.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresPowertrain ManagementOpen11.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Work FlowPowertrain ManagementOpen12.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Harness Connector DescriptionPowertrain ManagementOpen13.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How to Read Relay DiagramsPowertrain ManagementOpen14.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How to Read Wiring DiagramsPowertrain ManagementOpen15.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Wire Color Code IdentificationPowertrain ManagementOpen16.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Wiring Diagram CodesPowertrain ManagementOpen17.Fuel Delivery and Air Induction > Fuel Pump — Electrical DiagramsPowertrain ManagementOpen18.Components > Modules > Fuel Pump Control Module (FPCM)GeneralOpen19.Components > Relays > Fuel Pump RelayGeneralOpen20.Connector Views > Computers and Control Systems > Main Relay (Computer/Fuel System)GeneralOpen21.Connector Views > Fuel Delivery and Air Induction > Fuel InjectorGeneralOpen22.Connector Views > Fuel Delivery and Air Induction > Fuel Temperature SensorGeneralOpen23.Connector Views > Fuel Delivery and Air Induction > System Diagram > Lean Side > Left BankGeneralOpen24.Connector Views > Fuel Delivery and Air Induction > System Diagram > Lean Side > Right BankGeneralOpen25.Connector Views > Fuel Delivery and Air Induction > System Diagram > Rich Side > Left BankGeneralOpen26.Connector Views > Fuel Delivery and Air Induction > System Diagram > Rich Side > Right BankGeneralOpen27.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel InjectorGeneralOpen28.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Temperature SensorGeneralOpen29.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Left Bank > Lean SideGeneralOpen30.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Left Bank > Rich SideGeneralOpen31.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Right Bank > Lean SideGeneralOpen32.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System Diagram > Right Bank > Rich SideGeneralOpen33.Electrical Diagrams > Powertrain Management > Main Relay (Computer/Fuel System)GeneralOpen34.Fuel Delivery and Air Induction — Connector Views > Lean Side > Left BankPowertrain ManagementOpen35.Fuel Delivery and Air Induction — Connector Views > Lean Side > Right BankPowertrain ManagementOpen36.Fuel Delivery and Air Induction — Connector Views > Rich Side > Left BankPowertrain ManagementOpen37.Fuel Delivery and Air Induction — Connector Views > Rich Side > Right BankPowertrain ManagementOpen38.Fuel Delivery and Air Induction — Diagnostic Aids > CONSULT-II Checking SystemPowertrain ManagementOpen39.Fuel Delivery and Air Induction — Diagnostic Aids > Ground InspectionPowertrain ManagementOpen40.Fuel Delivery and Air Induction — Diagnostic Aids > How to Check TerminalsPowertrain ManagementOpen41.Fuel Delivery and Air Induction — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisPowertrain ManagementOpen42.Fuel Delivery and Air Induction — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsPowertrain ManagementOpen43.Fuel Delivery and Air Induction — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresPowertrain ManagementOpen44.Fuel Delivery and Air Induction — Diagnostic Aids > Work FlowPowertrain ManagementOpen45.Fuel Delivery and Air Induction — Diagram Information and Instructions > Harness Connector DescriptionPowertrain ManagementOpen46.Fuel Delivery and Air Induction — Diagram Information and Instructions > How to Read Relay DiagramsPowertrain ManagementOpen47.Fuel Delivery and Air Induction — Diagram Information and Instructions > How to Read Wiring DiagramsPowertrain ManagementOpen48.Fuel Delivery and Air Induction — Diagram Information and Instructions > Wire Color Code IdentificationPowertrain ManagementOpen
Exact Vehicle Hub
Browse →Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →P0192: Fuel Rail Pressure Sensor Circuit LowCode
Fuel code commonly seen during fuel pump diagnosis.
P0230: Fuel Pump Primary CircuitCode
Fuel code commonly seen during fuel pump diagnosis.
P0231: Fuel Pump Secondary Circuit LowCode
Fuel code commonly seen during fuel pump diagnosis.
P2177: System Too Lean Off Idle (Bank 1)Code
Fuel code commonly seen during fuel pump diagnosis.
P0174: System Too Lean (Bank 2)Code
Fuel code commonly seen during fuel pump diagnosis.
P0191: Fuel Rail Pressure Sensor Circuit Range/PerformanceCode
Fuel code commonly seen during fuel pump diagnosis.
More Q45 Wiring Pages
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Same System, Other Vehicles
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