Wiring Diagram Cluster
1999 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 V8-4130cc 4.1L DOHC MFI (VH41)
Total Vehicle Diagrams
1403
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.
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Vehicle Repair Hub
Step out of raw diagrams and into the full 1999 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 — Exploded Views > Transaxle Overhaul > Rear Internal Gear and Forward ClutchTransmission and DrivetrainOpen2.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Band Servo Piston AssemblyTransmission and DrivetrainOpen3.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Control Valve AssemblyTransmission and DrivetrainOpen4.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Control Valve Lower BodyTransmission and DrivetrainOpen5.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Control Valve Upper BodyTransmission and DrivetrainOpen6.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Forward and Overrun ClutchesTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Forward Clutch Drum AssemblyTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > High ClutchTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Low & Reverse BrakeTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Oil PumpTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Parking Pawl ComponentsTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle — Exploded Views > Transaxle Overhaul > Reverse ClutchTransmission and DrivetrainOpen13.Automatic Transmission/Transaxle — Exploded Views > Transaxle Removal and InstallationTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle — Fluid DiagramsTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle — Mechanical DiagramsTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle > Shift Interlock — Connector ViewsTransmission and DrivetrainOpen17.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > CONSULT-II Checking SystemTransmission and DrivetrainOpen18.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Ground InspectionTransmission and DrivetrainOpen19.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Check TerminalsTransmission and DrivetrainOpen20.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisTransmission and DrivetrainOpen21.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsTransmission and DrivetrainOpen22.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresTransmission and DrivetrainOpen23.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Work FlowTransmission and DrivetrainOpen24.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Harness Connector DescriptionTransmission and DrivetrainOpen25.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How To Read Harness LayoutTransmission and DrivetrainOpen26.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How to Read Relay DiagramsTransmission and DrivetrainOpen27.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > How to Read Wiring DiagramsTransmission and DrivetrainOpen28.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen29.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Wiring Diagram CodesTransmission and DrivetrainOpen30.Automatic Transmission/Transaxle > Shift Interlock — Electrical DiagramsTransmission and DrivetrainOpen31.Exploded Views > Automatic Transmission/Transaxle > Transaxle Overhaul > Rear Internal Gear and Forward ClutchGeneralOpen32.Transmission Control Systems — Connector Views > A/T Communication Line and A/T Diagnostic Communication LineTransmission and DrivetrainOpen33.Transmission Control Systems — Connector Views > Overall SystemTransmission and DrivetrainOpen34.Transmission Control Systems — Diagnostic Aids > CONSULT-II Checking SystemTransmission and DrivetrainOpen35.Transmission Control Systems — Diagnostic Aids > Ground InspectionTransmission and DrivetrainOpen36.Transmission Control Systems — Diagnostic Aids > How to Check TerminalsTransmission and DrivetrainOpen37.Transmission Control Systems — Diagnostic Aids > How to Follow/Perform Trouble DiagnosisTransmission and DrivetrainOpen38.Transmission Control Systems — Diagnostic Aids > How to Perform Electrical Incident Simulation TestsTransmission and DrivetrainOpen39.Transmission Control Systems — Diagnostic Aids > Key to Symbols Signifying Measurements or ProceduresTransmission and DrivetrainOpen40.Transmission Control Systems — Diagnostic Aids > Work FlowTransmission and DrivetrainOpen41.Transmission Control Systems — Diagram Information and Instructions > Harness Connector DescriptionTransmission and DrivetrainOpen42.Transmission Control Systems — Diagram Information and Instructions > How To Read Harness LayoutTransmission and DrivetrainOpen43.Transmission Control Systems — Diagram Information and Instructions > How to Read Relay DiagramsTransmission and DrivetrainOpen44.Transmission Control Systems — Diagram Information and Instructions > How to Read Wiring DiagramsTransmission and DrivetrainOpen45.Transmission Control Systems — Diagram Information and Instructions > Wire Color Code IdentificationTransmission and DrivetrainOpen46.Transmission Control Systems — Diagram Information and Instructions > Wiring Diagram CodesTransmission and DrivetrainOpen47.Transmission Control Systems — Electrical Diagrams > Automatic Transmission SchematicTransmission and DrivetrainOpen48.Transmission Control Systems — Electrical Diagrams > Automatic Transmission Wiring DiagramsTransmission and DrivetrainOpen
Exact Vehicle Hub
Browse →OEM Manual Evidence
Browse →1999 Infiniti Q45 Application and IDOEM Manual
Repair and Diagnosis: Application and ID — 1999 Infiniti Q45 V8-4130cc 4.1L DOHC MFI (VH41) Service Manual | Operation CHARM Operation CHAR...
1999 Infiniti Q45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1999 Infiniti Q45t V8-4130cc 4.1L DOHC MFI (VH41) Service Manual | Operation...
1999 Infiniti Q45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1999 Infiniti Q45 V8-4130cc 4.1L DOHC MFI (VH41) Service Manual | Operation C...
1999 Infiniti Q45 How to Find Technical Service Bulletins by Category/SymptomOEM Manual
How to Find Technical Service Bulletins by Category/Symptom — 1999 Infiniti I30t V6-2988cc 3.0L DOHC MFI (VQ30DE) Service Manual | Operatio...
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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