Wiring Diagram Cluster

1986 Pontiac Firebird 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

47

Variant Used

Firebird L4-151 2.5L

Total Vehicle Diagrams

415

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Transmission Fluid Change1986 Pontiac Firebird A L L Diagnostic Trouble Codes ( DTC )

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 — Fluid Diagrams > Detent Downshifts (Valves In Second Gear Position)Transmission and DrivetrainOpen2.Automatic Transmission/Transaxle — Fluid Diagrams > Drive > Drive - First GearTransmission and DrivetrainOpen3.Automatic Transmission/Transaxle — Fluid Diagrams > Drive > Drive - Second Gear > Converter Clutch AppliedTransmission and DrivetrainOpen4.Automatic Transmission/Transaxle — Fluid Diagrams > Drive > Drive - Second Gear > Converter Clutch ReleasedTransmission and DrivetrainOpen5.Automatic Transmission/Transaxle — Fluid Diagrams > Drive > Drive - Third GearTransmission and DrivetrainOpen6.Automatic Transmission/Transaxle — Fluid Diagrams > Part Throttle & Modulated Downshifts, Valves In 3rd GearTransmission and DrivetrainOpen7.Automatic Transmission/Transaxle — Fluid Diagrams > Torque Converter Clutch > Applied PositionTransmission and DrivetrainOpen8.Automatic Transmission/Transaxle — Fluid Diagrams > Torque Converter Clutch > Released PositionTransmission and DrivetrainOpen9.Automatic Transmission/Transaxle — Diagram Information and InstructionsTransmission and DrivetrainOpen10.Automatic Transmission/Transaxle — Electrical DiagramsTransmission and DrivetrainOpen11.Automatic Transmission/Transaxle — Exploded ViewsTransmission and DrivetrainOpen12.Automatic Transmission/Transaxle — Fluid Diagrams > Drive > Drive - OverdriveTransmission and DrivetrainOpen13.Automatic Transmission/Transaxle — Fluid Diagrams > Manual LOTransmission and DrivetrainOpen14.Automatic Transmission/Transaxle — Fluid Diagrams > Manual SecondTransmission and DrivetrainOpen15.Automatic Transmission/Transaxle — Fluid Diagrams > Manual ThirdTransmission and DrivetrainOpen16.Automatic Transmission/Transaxle — Fluid Diagrams > NeutralTransmission and DrivetrainOpen17.Automatic Transmission/Transaxle — Fluid Diagrams > ParkTransmission and DrivetrainOpen18.Automatic Transmission/Transaxle — Fluid Diagrams > ReverseTransmission and DrivetrainOpen19.Manual Transmission/Transaxle — DiagramTransmission and DrivetrainOpen20.Electrical Diagrams > Transmission and Drivetrain > Automatic Transmission/Transaxle > Shift Indicator - A/TGeneralOpen21.Electrical Diagrams > Transmission and Drivetrain > Automatic Transmission/Transaxle > System DiagramGeneralOpen22.Electrical Diagrams > Transmission and Drivetrain > Transfer CaseGeneralOpen23.Fluid Diagrams > Automatic Transmission/Transaxle > Detent Downshifts (Valves In Second Gear Position)GeneralOpen24.Fluid Diagrams > Automatic Transmission/Transaxle > Drive > Drive - First GearGeneralOpen25.Fluid Diagrams > Automatic Transmission/Transaxle > Drive > Drive - Second Gear > Converter Clutch AppliedGeneralOpen26.Fluid Diagrams > Automatic Transmission/Transaxle > Drive > Drive - Second Gear > Converter Clutch ReleasedGeneralOpen27.Fluid Diagrams > Automatic Transmission/Transaxle > Drive > Drive - Third GearGeneralOpen28.Fluid Diagrams > Automatic Transmission/Transaxle > Part Throttle & Modulated Downshifts, Valves In 3rd GearGeneralOpen29.Fluid Diagrams > Automatic Transmission/Transaxle > Torque Converter Clutch > Applied PositionGeneralOpen30.Fluid Diagrams > Automatic Transmission/Transaxle > Torque Converter Clutch > Released PositionGeneralOpen31.Transmission Control Systems — DiagramTransmission and DrivetrainOpen32.Electrical Diagrams > Transmission and Drivetrain > System DiagramGeneralOpen33.Exploded Views > Automatic Transmission/TransaxleGeneralOpen34.Exploded Views > Manual Transmission/TransaxleGeneralOpen35.Fluid Diagrams > Automatic Transmission/Transaxle > Drive > Drive - OverdriveGeneralOpen36.Fluid Diagrams > Automatic Transmission/Transaxle > Manual LOGeneralOpen37.Fluid Diagrams > Automatic Transmission/Transaxle > Manual SecondGeneralOpen38.Fluid Diagrams > Automatic Transmission/Transaxle > Manual ThirdGeneralOpen39.Fluid Diagrams > Automatic Transmission/Transaxle > NeutralGeneralOpen40.Fluid Diagrams > Automatic Transmission/Transaxle > ParkGeneralOpen41.Fluid Diagrams > Automatic Transmission/Transaxle > ReverseGeneralOpen42.Diagram Information and InstructionsTransmission and DrivetrainOpen43.Electrical DiagramsTransmission and DrivetrainOpen44.Components > Switches > Gear Selector SwitchGeneralOpen45.Components > Switches > Torque Converter Clutch (TCC) SwitchGeneralOpen46.Connector Views > Transmission Control SystemsGeneralOpen47.Transmission Control Systems — DiagramPowertrain ManagementOpen

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1986 Pontiac Firebird Repair HubExact Vehicle

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OEM Manual Evidence

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1986 Pontiac Firebird A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1986 Pontiac Firebird V8-305 5.0L Service Manual | Operation CHARM Operation CHARM : Car repair ma...

1986 Pontiac Firebird A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1986 Pontiac Firebird L4-151 2.5L Service Manual | Operation CHARM Operation CHARM : Car repair ma...

1986 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1986 Pontiac Firebird V6-173 2.8L Service Manual | Operation CHARM Operation...

1986 Pontiac Firebird How to Find Technical Service Bulletins by Category/SymptomOEM Manual

How to Find Technical Service Bulletins by Category/Symptom — 1986 Pontiac Firebird L4-151 2.5L Service Manual | Operation CHARM Operation...

Repairs That Intersect This Wiring

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1986 Pontiac Firebird 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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