Wiring Diagram Cluster
1998 Infiniti Q45t 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
Q45t V8-4130cc 4.1L DOHC MFI (VH41)
Total Vehicle Diagrams
1176
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Vehicle Repair Hub
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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
Parts & Tools for This Job
Common parts shoppers buy for 1998 Infiniti Q45t Fuel Pump.
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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 Q45t Wiring Pages
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Same System, Other Vehicles
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