Wiring Diagram Cluster
2003 Infiniti Q45 Transmission Wiring Diagram
Find transmission control module wiring, shift solenoid circuits, speed sensor paths, and torque converter clutch schematics.
Matched Diagrams
48
Variant Used
Q45 V8-4.5L (VK45DE)
Total Vehicle Diagrams
1415
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 2003 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 transmission diagnosis on this exact vehicle.
Transmission Fluid Change →Diagnostic signal
Codes Often Seen With This System
Use the code cluster when wiring faults overlap with check-engine or module-level diagnostics.
C0035: Left Front Wheel Speed Sensor Circuit →Top Transmission Diagram Paths
1.Automatic Transmission/Transaxle — DiagramTransmission and DrivetrainOpen2.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > CONSULT-II Checking SystemTransmission and DrivetrainOpen3.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Ground InspectionTransmission and DrivetrainOpen4.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Check TerminalsTransmission and DrivetrainOpen5.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisTransmission and DrivetrainOpen6.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Work FlowTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Harness Connector DescriptionTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How To Read Harness LayoutTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How to Read Relay DiagramsTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How to Read Wiring DiagramsTransmission and DrivetrainOpen13.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Key to Symbols Used In IllustrationsTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Wiring Diagram CodesTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle > Shift Interlock — Electrical DiagramsTransmission and DrivetrainOpen17.Transmission Control Systems — Diagnostic Aids > CONSULT-II Checking SystemTransmission and DrivetrainOpen18.Transmission Control Systems — Diagnostic Aids > Ground InspectionTransmission and DrivetrainOpen19.Transmission Control Systems — Diagnostic Aids > How to Check TerminalsTransmission and DrivetrainOpen20.Transmission Control Systems — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisTransmission and DrivetrainOpen21.Transmission Control Systems — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsTransmission and DrivetrainOpen22.Transmission Control Systems — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresTransmission and DrivetrainOpen23.Transmission Control Systems — Diagnostic Aids > Work FlowTransmission and DrivetrainOpen24.Transmission Control Systems — Diagram Information and Instructions > Harness Connector DescriptionTransmission and DrivetrainOpen25.Transmission Control Systems — Diagram Information and Instructions > How To Read Harness LayoutTransmission and DrivetrainOpen26.Transmission Control Systems — Diagram Information and Instructions > How to Read Relay DiagramsTransmission and DrivetrainOpen27.Transmission Control Systems — Diagram Information and Instructions > How to Read Wiring DiagramsTransmission and DrivetrainOpen28.Transmission Control Systems — Diagram Information and Instructions > Key to Symbols Used In IllustrationsTransmission and DrivetrainOpen29.Transmission Control Systems — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen30.Transmission Control Systems — Diagram Information and Instructions > Wiring Diagram CodesTransmission and DrivetrainOpen31.Transmission Control Systems — Electrical Diagrams > Automatic Transmission SchematicTransmission and DrivetrainOpen32.Transmission Control Systems — Electrical Diagrams > Automatic Transmission Wiring Diagrams > AT-NONDTCTransmission and DrivetrainOpen33.Transmission Control Systems — Electrical Diagrams > Automatic Transmission Wiring Diagrams > Wiring DiagramsTransmission and DrivetrainOpen34.DiagramTransmission and DrivetrainOpen35.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-CANGeneralOpen36.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-D/CGeneralOpen37.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-D/CFGeneralOpen38.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-E/BREGeneralOpen39.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FPSW1GeneralOpen40.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FPSW3GeneralOpen41.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FPSW5GeneralOpen42.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FPSW6GeneralOpen43.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FR/BGeneralOpen44.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FR/BFGeneralOpen45.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-FTSGeneralOpen46.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-HLR/CGeneralOpen47.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-HLR/CFGeneralOpen48.Electrical Diagrams > Diagrams By Diagram Name > AT Diagrams (Automatic Transmission) > AT-I/CGeneralOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →2003 Infiniti Q45 Application and IDOEM Manual
Repair and Diagnosis: Application and ID — 2003 Infiniti Q45 V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation CHARM : Car repair...
2003 Infiniti Q45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 2003 Infiniti Q45 V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation...
2003 Infiniti Q45 A L L Diagnostic Trouble Codes ( DTC )OEM Manual
A L L Diagnostic Trouble Codes ( DTC ) — 2003 Infiniti Q45 V8-4.5L (VK45DE) Service Manual | Operation CHARM Operation CHARM : Car repair m...
2003 Infiniti Q45 Application and IDOEM Manual
Repair and Diagnosis: Application and ID — 2003 Infiniti G35 Coupe V6-3.5L (VQ35DE) Service Manual | Operation CHARM Operation CHARM : Car...
Repairs That Intersect This Wiring
Browse →Likely Trouble Codes for This System
Browse →C0035: Left Front Wheel Speed Sensor CircuitCode
Chassis/Brakes code commonly seen during transmission diagnosis.
C0040: Right Front Wheel Speed Sensor CircuitCode
Chassis/Brakes code commonly seen during transmission diagnosis.
C0050: Right Rear Wheel Speed Sensor CircuitCode
Chassis/Brakes code commonly seen during transmission diagnosis.
C0236: Rear Wheel Speed Sensor Signal ErraticCode
Chassis/Brakes code commonly seen during transmission diagnosis.
P0500: Vehicle Speed Sensor ACode
Transmission code commonly seen during transmission diagnosis.
P0715: Input/Turbine Speed Sensor CircuitCode
Transmission code commonly seen during transmission diagnosis.
More Q45 Wiring Pages
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Same System, Other Vehicles
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