Wiring Diagram Cluster

1990 Acura Legend Transmission Wiring Diagram

Find transmission control module wiring, shift solenoid circuits, speed sensor paths, and torque converter clutch schematics.

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Matched Diagrams

48

Variant Used

Legend Coupe V6-2675cc 2.7L SOHC FI

Total Vehicle Diagrams

1270

From Diagram To Fix

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Transmission Fluid Change1990 Acura Legend How to Find Technical Service Bulletins by Category/Symptom

Likely fix path

Exact Repair Guides

These repair flows most often intersect with transmission diagnosis on this exact vehicle.

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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 →
C0040: Right Front Wheel Speed Sensor CircuitC0050: Right Rear Wheel Speed Sensor CircuitC0236: Rear Wheel Speed Sensor Signal Erratic

Top Transmission Diagram Paths

1.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Continuity and Resistance CheckTransmission and DrivetrainOpen2.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsTransmission and DrivetrainOpen3.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsTransmission and DrivetrainOpen4.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingTransmission and DrivetrainOpen5.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementTransmission and DrivetrainOpen6.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Finding Short CircuitsTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Five Step TroubleshootingTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Troubleshooting PrecautionsTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Transmission and DrivetrainOpen13.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Voltage CheckTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesTransmission and DrivetrainOpen17.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsTransmission and DrivetrainOpen18.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesTransmission and DrivetrainOpen19.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsTransmission and DrivetrainOpen20.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Splicing Twisted/Shielded CableTransmission and DrivetrainOpen21.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Terminal RepairTransmission and DrivetrainOpen22.Automatic Transmission/Transaxle > Shift Interlock — Diagnostic Aids > Wire Repair Procedures > Typical Electrical RepairTransmission and DrivetrainOpen23.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Key to Electrical Diagrams > Circuit SchematicsTransmission and DrivetrainOpen24.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Key to Electrical Diagrams > Fuse Details SchematicsTransmission and DrivetrainOpen25.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Key to Electrical Diagrams > Ground Distribution SchematicsTransmission and DrivetrainOpen26.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Key to Electrical Diagrams > Power Distribution SchematicsTransmission and DrivetrainOpen27.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Symbol IdentificationTransmission and DrivetrainOpen28.Automatic Transmission/Transaxle > Shift Interlock — Diagram Information and Instructions > Wires/Wire Color Code IdentificationTransmission and DrivetrainOpen29.Automatic Transmission/Transaxle > Shift Interlock — Electrical DiagramsTransmission and DrivetrainOpen30.Transmission Control Systems — Diagnostic Aids > Continuity and Resistance CheckTransmission and DrivetrainOpen31.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Battery PrecautionsTransmission and DrivetrainOpen32.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrical Connections and CircuitsTransmission and DrivetrainOpen33.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component HandlingTransmission and DrivetrainOpen34.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electronic Component ReplacementTransmission and DrivetrainOpen35.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Electrical Precautions > Electrostatic DischargeTransmission and DrivetrainOpen36.Transmission Control Systems — Diagnostic Aids > Damage Precautions > Proper Tools and Testing ProceduresTransmission and DrivetrainOpen37.Transmission Control Systems — Diagnostic Aids > Finding Short CircuitsTransmission and DrivetrainOpen38.Transmission Control Systems — Diagnostic Aids > Five Step TroubleshootingTransmission and DrivetrainOpen39.Transmission Control Systems — Diagnostic Aids > Troubleshooting PrecautionsTransmission and DrivetrainOpen40.Transmission Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For A Short With A Self-Powered Test Light or DVOMTransmission and DrivetrainOpen41.Transmission Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For a Short With a Short Circuit Locator (Short Finder)Transmission and DrivetrainOpen42.Transmission Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage Drop/Short to Ground With Test Light/DVOMTransmission and DrivetrainOpen43.Transmission Control Systems — Diagnostic Aids > Troubleshooting Tests > Testing For Voltage/ContinuityTransmission and DrivetrainOpen44.Transmission Control Systems — Diagnostic Aids > Voltage CheckTransmission and DrivetrainOpen45.Transmission Control Systems — Diagnostic Aids > Wire Repair Procedures > Circuit Protection DevicesTransmission and DrivetrainOpen46.Transmission Control Systems — Diagnostic Aids > Wire Repair Procedures > Repairing ConnectorsTransmission and DrivetrainOpen47.Transmission Control Systems — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Crimp and Seal Splice SleevesTransmission and DrivetrainOpen48.Transmission Control Systems — Diagnostic Aids > Wire Repair Procedures > Splicing Copper Wire Using Splice ClipsTransmission and DrivetrainOpen

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OEM Manual Evidence

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1990 Acura Legend How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1990 Acura Legend Sedan V6-2675cc 2.7L SOHC FI Service Manual | Operation CHA...

1990 Acura Legend How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1990 Acura Legend Coupe V6-2675cc 2.7L SOHC FI Service Manual | Operation CHA...

1990 Acura Legend A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1990 Acura Legend Sedan V6-2675cc 2.7L SOHC FI Service Manual | Operation CHARM Operation CHARM :...

1990 Acura Legend A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1990 Acura Legend Coupe V6-2675cc 2.7L SOHC FI Service Manual | Operation CHARM Operation CHARM :...

Repairs That Intersect This Wiring

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1990 Acura Legend Transmission Fluid ChangeRepair

Open the matching repair workflow that usually intersects with transmission diagnosis on this vehicle.

Likely Trouble Codes for This System

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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.

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