Wiring Diagram Cluster
2002 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 V8-4.5L (VK45DE)
Total Vehicle Diagrams
1430
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 2002 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 > Fuel Pump Control UnitGeneralOpen2.Connector Views > Fuel Delivery and Air Induction > Fuel Pump > System DiagramGeneralOpen3.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > Fuel Pump Control UnitGeneralOpen4.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Pump > System DiagramGeneralOpen5.Fuel Delivery and Air Induction > Fuel Pump — Connector ViewsPowertrain ManagementOpen6.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > CONSULT-II Checking SystemPowertrain ManagementOpen7.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Ground InspectionPowertrain ManagementOpen8.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Check TerminalsPowertrain ManagementOpen9.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisPowertrain ManagementOpen10.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsPowertrain ManagementOpen11.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresPowertrain ManagementOpen12.Fuel Delivery and Air Induction > Fuel Pump — Diagnostic Aids > Work FlowPowertrain ManagementOpen13.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Harness Connector DescriptionPowertrain ManagementOpen14.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How To Read Harness LayoutPowertrain ManagementOpen15.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How to Read Relay DiagramsPowertrain ManagementOpen16.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > How to Read Wiring DiagramsPowertrain ManagementOpen17.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Key to Symbols Used In IllustrationsPowertrain ManagementOpen18.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Wire Color Code IdentificationPowertrain ManagementOpen19.Fuel Delivery and Air Induction > Fuel Pump — Diagram Information and Instructions > Wiring Diagram CodesPowertrain ManagementOpen20.Fuel Delivery and Air Induction > Fuel Pump — Electrical DiagramsPowertrain ManagementOpen21.Connector Views > Computers and Control Systems > Fuel Level Sensor > EC-FLS1GeneralOpen22.Connector Views > Computers and Control Systems > Fuel Level Sensor > EC-FLS2GeneralOpen23.Connector Views > Computers and Control Systems > Fuel Level Sensor > EC-FLS3GeneralOpen24.Connector Views > Fuel Delivery and Air Induction > Fuel InjectorGeneralOpen25.Connector Views > Fuel Delivery and Air Induction > Fuel Temperature SensorGeneralOpen26.Connector Views > Fuel Delivery and Air Induction > System Diagram > EC-FUELB1GeneralOpen27.Connector Views > Fuel Delivery and Air Induction > System Diagram > EC-FUELB2GeneralOpen28.Connector Views > Fuel Delivery and Air Induction > Variable Induction System > System DiagramGeneralOpen29.Connector Views > Fuel Delivery and Air Induction > Variable Induction System > Variable Induction Control SolenoidGeneralOpen30.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel InjectorGeneralOpen31.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Fuel Temperature SensorGeneralOpen32.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > System DiagramGeneralOpen33.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Variable Induction System > System DiagramGeneralOpen34.Electrical Diagrams > Powertrain Management > Fuel Delivery and Air Induction > Variable Induction System > Variable Induction Control SolenoidGeneralOpen35.Electrical Diagrams > Powertrain Management > Fuel Level Sensor > EC-FLS1GeneralOpen36.Electrical Diagrams > Powertrain Management > Fuel Level Sensor > EC-FLS2GeneralOpen37.Electrical Diagrams > Powertrain Management > Fuel Level Sensor > EC-FLS3GeneralOpen38.Fuel Delivery and Air Induction — Connector Views > EC-FUELB1Powertrain ManagementOpen39.Fuel Delivery and Air Induction — Connector Views > EC-FUELB2Powertrain ManagementOpen40.Fuel Delivery and Air Induction — Diagnostic Aids > CONSULT-II Checking SystemPowertrain ManagementOpen41.Fuel Delivery and Air Induction — Diagnostic Aids > Ground InspectionPowertrain ManagementOpen42.Fuel Delivery and Air Induction — Diagnostic Aids > How to Check TerminalsPowertrain ManagementOpen43.Fuel Delivery and Air Induction — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisPowertrain ManagementOpen44.Fuel Delivery and Air Induction — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsPowertrain ManagementOpen45.Fuel Delivery and Air Induction — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresPowertrain ManagementOpen46.Fuel Delivery and Air Induction — Diagnostic Aids > Work FlowPowertrain ManagementOpen47.Fuel Delivery and Air Induction — Diagram Information and Instructions > Harness Connector DescriptionPowertrain ManagementOpen48.Fuel Delivery and Air Induction — Diagram Information and Instructions > How To Read Harness LayoutPowertrain 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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