Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Pontiac Firebird Trans Am, 2D Convertible, AutomaticFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module Connector Terminal Identification (4.6L - DEVILLE)
POWERTRAIN CONTROL MODULE CONNECTOR TERMINAL IDENTIFICATION (4.6L - DEVILLE) (1)
| Connector | Terminal No. | Wire Color | Function | ||||
|---|---|---|---|---|---|---|---|
| C1 | 1 | ORG | Camshaft Position Powertrain Control Module Input | ||||
| C1 | 2 | LT BLU/WHT | Crankshaft Position Sensor "A" Signal | ||||
| C1 | 3 & 4 | ..... | Not Used | ||||
| C1 | 5 | DK GRN | Fuel Tank Pressure Sensor Signal | ||||
| C1 | 6 | PPL | Crank Request | ||||
| C1 | 7-9 | ..... | Not Used | ||||
| C1 | 10 | TAN | Intake Air Temperature Sensor Signal | ||||
| C1 | 11 | PPL | Transaxle Range Switch "C" Input | ||||
| C1 | 12 | YEL | Transaxle Range Switch "B" Input | ||||
| C1 | 13 | BLK/WHT | Transaxle Range Switch "A" Input | ||||
| C1 | 14 | YEL | Crankshaft Position Sensor "B" Signal | ||||
| C1 | 15 | ..... | Not Used | ||||
| C1 | 16 | DK BLU/WHT | Transaxle Input Speed Sensor Low | ||||
| C1 | 17 | RED/BLK | Transaxle Input Speed Sensor High | ||||
| C1 | 18 | PPL | Serial Data (Class 2) | ||||
| C1 | 19 | PNK | Powertrain Control Module Ignition 0 Feed | ||||
| C1 | 20 | ORG | Powertrain Control Module Battery Feed | ||||
| C1 | 21 | ORG | Powertrain Control Module Battery Feed | ||||
| C1 | 22 | RED | Cylinder No. 7 Ignition Controller Control Circuit | ||||
| C1 | 23 | LT GRN | Manifold Absolute Pressure Sensor Signal | ||||
| C1 | 24 | ..... | Not Used | ||||
| C1 | 25 | DK GRN | Low Speed Cooling Fans Control Circuit | ||||
| C1 | 26 | DK GRN/WHT | Vehicle Speed Sensor Signal | ||||
| C1 | 27 | LT GRN/BLK | Idle Air Control "B" Low | ||||
| C1 | 28 | LT GRN/WHT | Idle Air Control "B" High | ||||
| C1 | 29 | LT BLU/WHT | Idle Air Control "A" High | ||||
| C1 | 30 | LT BLU/BLK | Idle Air Control "A" Low | ||||
| C1 | 31 | DK GRN | HO2S Bank 1; Sensor 1 Heater Control Circuit High | ||||
| C1 | 32 | BRN/WHT | Malfunction Indicator Light Control | ||||
| C1 | 33 | YEL/BLK | HO2S Bank 2; Sensor 1 Heater Control Circuit Low | ||||
| C1 | 34 | TAN/BLK | Delivered Torque Output | ||||
| C1 | 35 | DK GRN | Cruise Inhibit Output | ||||
| C1 | 36 | ..... | Not Used | ||||
| C1 | 37 | BLK | Fuel Injector No. 1 Control Circuit | ||||
| C1 | 38 | PNK/BLK | Fuel Injector No. 3 Control Circuit | ||||
| C1 | 39 | LT GRN/BLK | Fuel Injector No. 2 Control Circuit | ||||
| C1 | 40 | BLK/WHT | Fuel Injector No. 5 Control Circuit | ||||
| C1 | 41 | WHT | Transaxle Range Switch Parity Input | ||||
| C1 | 42 | YEL | Mass Airflow Sensor Signal | ||||
| C1 | 43 | ORG/BLK | Desired Torque Input | ||||
| C1 | 44 | GRY | Extended Travel Brake Switch Input | ||||
| C1 | 45-49 | ..... | Not Used | ||||
| C1 | 50 | DK BLU/WHT | HO2S Bank 1; Sensor 2 Signal Low | ||||
| C1 | 51 | DK GRN/WHT | HO2S Bank 1; Sensor 2 Signal High | ||||
| C1 | 52 | TAN/WHT | HO2S Bank 1; Sensor 1 Signal Low | ||||
| C1 | 53 | PPL/WHT | HO2S Bank 1; Sensor 1 Signal High | ||||
| C1 | 54 | TAN/WHT | HO2S Bank 2; Sensor 1 Signal Low | ||||
| C1 | 55 | PPL/WHT | HO2S Bank 2; Sensor 1 Signal High | ||||
| C1 | 56 | YEL | Vehicle Speed Sensor Input High | ||||
| C1 | 57 | PPL | Vehicle Speed Sensor Input Low | ||||
| C1 | 58 | RED | Camshaft Position Sensor Ignition Feed | ||||
| C1 | 59 | PPL | Serial Data (Class 2) | ||||
| C1 | 60 | BLK/WHT | Powertrain Control Module Ground | ||||
| C1 | 61 | PPL | Cylinder No. 1 Ignition Controller Control Circuit | ||||
| C1 | 62 | DK BLU | Throttle Position Sensor Signal | ||||
| C1 | 63 | PNK | Powertrain Control Module Ignition 1 Feed | ||||
| C1 | 64 & 65 | ..... | Not Used | ||||
| C1 | 66 | PNK/BLK | AIR pump Solenoid Control | ||||
| C1 | 67 | LT BLU/WHT | Pressure Control Solenoid Low | ||||
| C1 | 68 | YEL/BLK | HO2S Bank 1; Sensor 1 Heater Control Circuit Low | ||||
| C1 | 69 | RED/BLK | Pressure Control Solenoid High | ||||
| C1 | 70 | DK GRN/WHT | Fuel Pump Relay Control | ||||
| C1 | 71 | RED | EGR Valve Control | ||||
| C1 | 72 | PPL | Powertrain Induced Chassis Pitch Status Output (RTD Lift/Drive) | ||||
| C1 | 73 | WHT | EVAP Vent Solenoid Control | ||||
| C1 | 74 | ..... | Not Used | ||||
| C1 | 75 | BRN | AIR Pump "A" Relay Control | ||||
| C1 | 76 | LT BLU/BLK | Fuel Injector No. 4 Control Circuit | ||||
| C1 | 77 | YEL/BLK | Fuel Injector No. 6 Control Circuit | ||||
| C1 | 78 | ..... | Not Used | ||||
| C1 | 79 | DK BLU/WHT | Fuel Injector No. 8 Control Circuit | ||||
| C1 | 80 | RED/BLK | Fuel Injector No. 7 Control Circuit | ||||
| C2 | 1 & 2 | ..... | Not Used | ||||
| C2 | 3 | BLK/WHT | Powertrain Control Module Power Ground | ||||
| C2 | 4 | BLK | Intake Air Temperature Sensor Ground | ||||
| C2 | 5 | ..... | Not Used | ||||
| C2 | 6 | ORG/BLK | Manifold Absolute Pressure Sensor Ground | ||||
| C2 | 7 & 8 | ..... | Not Used | ||||
| C2 | 9 | YEL | Reference Low (Front/Even Bank Ignition Assembly) | ||||
| C2 | 10 | ..... | Not Used | ||||
| C2 | 11 | BLK | Transaxle Fluid Temperature Sensor Ground | ||||
| C2 | 12 | BLK | EGR Pintle Position Sensor Ground | ||||
| C2 | 13 | BLK | Fuel Level/Fuel Tank Pressure Sensor Ground | ||||
| C2 | 14 | BLK | A/C Pressure Sensor Ground | ||||
| C2 | 15 | BLK/WHT | Powertrain Control Module Power Ground | ||||
| C2 | 16 | ..... | Not Used | ||||
| C2 | 17 | GRY | Fuel Tank Pressure Sensor 5-Volt Reference "B" | ||||
| C2 | 18 | ..... | Not Used | ||||
| C2 | 19 | DK BLU | Knock Sensor Signal | ||||
| C2 | 20 | TAN/BLK | Engine Oil Pressure Switch Input | ||||
| C2 | 21 | LT BLU | Cylinder No. 3 Ignition Controller Control Circuit | ||||
| C2 | 22 | RED/WHT | Cylinder No. 2 Ignition Controller Control Circuit | ||||
| C2 | 23 | BRN | Low Oil Level Switch Input | ||||
| C2 | 24 | LT BLU/BLK | Cruise Engaged Input | ||||
| C2 | 25 | LT GRN | Crankshaft Position Sensor "B" Ignition Feed | ||||
| C2 | 26 | BLK/WHT | Powertrain Control Module Power Ground | ||||
| C2 | 27 | ..... | Not Used | ||||
| C2 | 28 | YEL | Crankshaft Position Sensor "B" Ground | ||||
| C2 | 29 & 30 | ..... | Not Used | ||||
| C2 | 31 | YEL | Engine Coolant Temperature Sensor Signal | ||||
| C2 | 32 | YEL/BLK | Transaxle Fluid Temperature Sensor Signal | ||||
| C2 | 33 & 34 | ..... | Not Used | ||||
| C2 | 35 | GRY | Knock Sensor Ground | ||||
| C2 | 36 | ..... | Not Used | ||||
| C2 | 37 | RED | Transaxle Pressure Manifold Switch "C" Input | ||||
| C2 | 38 & 39 | ..... | Not Used | ||||
| C2 | 40 | RED | Generator "L" Terminal Control | ||||
| C2 | 41 | ..... | Not Used | ||||
| C2 | 42 | DK GRN/WHT | EVAP Canister Purge Valve Control | ||||
| C2 | 43 | LT GRN | Shift Solenoid "A" Control | ||||
| C2 | 44 | (2) | Starter Relay Control | ||||
| C2 | 45 | YEL/BLK | Shift Solenoid "B" Control | ||||
| C2 | 46 | TAN/BLK | Torque Converter Clutch Control | ||||
| C2 | 47 | DK GRN/WHT | A/C Compressor Clutch Control | ||||
| C2 | 48 | BLK/WHT | HO2S Bank 1; Sensor 2 Heater Control Circuit Low | ||||
| C2 | 49 | GRY | Manifold Absolute Pressure Sensor 5-Volt Reference "A" | ||||
| C2 | 50 | GRY | EGR Pintle Position Sensor 5-Volt Reference "A" | ||||
| C2 | 51 | GRY | Throttle Position Sensor 5-Volt Reference "A" | ||||
| C2 | 52 | BRN | EGR Pintle Position Sensor Signal | ||||
| C2 | 53 | ..... | Not Used | ||||
| C2 | 54 | BRN | AIR Pump No. 2 Relay Control | ||||
| C2 | 55 | DK BLU | High Speed Cooling Fans Control | ||||
| C2 | 56 | WHT | Tachometer Input | ||||
| C2 | 57 | GRY | A/C Pressure Sensor 5-Volt Reference "B" | ||||
| C2 | 58 | ..... | Not Used | ||||
| C2 | 59 | DK GRN/WHT | Cylinder No. 4 Ignition Controller Control Circuit | ||||
| C2 | 60 | LT BLU/WHT | Cylinder No. 6 Ignition Controller Control Circuit | ||||
| C2 | 61 | PPL/WHT | Cylinder No. 8 Ignition Controller Control Circuit | ||||
| C2 | 62 | DK GRN | Cylinder No. 5 Ignition Controller Control Circuit | ||||
| C2 | 63 & 64 | ..... | Not Used | ||||
| C2 | 65 | LT GRN | Crankshaft Position Sensor "A" Ignition Feed | ||||
| C2 | 66 | YEL/BLK | Crankshaft Position Sensor "A" Ground | ||||
| C2 | 67 | PNK/BLK | Camshaft Position Sensor Ground | ||||
| C2 | 68 | BLK | Engine Coolant Temperature Sensor Ground | ||||
| C2 | 69 | BLK | Throttle Position Sensor Ground | ||||
| C2 | 70 | GRY | EGR Valve Control Ground | ||||
| C2 | 71 | GRY | Reference Low (Rear Odd Bank Ignition Assembly) | ||||
| C2 | 72 | PPL | Fuel Level Sensor Signal | ||||
| C2 | 73 | PNK | Transaxle Pressure Manifold Switch "A" Input | ||||
| C2 | 74 | RED/BLK | A/C Pressure Sensor Signal | ||||
| C2 | 75-78 | ..... | Not Used | ||||
| C2 | 79 | GRY | Generator "F" Terminal Feedback | ||||
| C2 | 80 | PPL | Torque Converter Clutch Brake Switch Input | ||||
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
