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.
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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 839 (ENGINE CONTROLS AND FUEL - 5.3L - INTRODUCTION (2 OF 2))COMPONENT LOCATORENGINE CONTROL MODULE CONNECTORSENGINE CONTROL MODULE (ECM) C3
2006 Pontiac G6 GTP, 2D Coupe, Standard
Engine Control Module (ECM) C3
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Engine Control Module (ECM) C3
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) C3 Connector Parts Information
Connector Part Information
|
Terminal Part Information
|
Engine Control Module (ECM) C3 Connector Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-6 | - | - | Not Used |
| 7 | OG | 225 | Generator Turn On Signal |
| 8-9 | - | - | Not Used |
| 10 | TN | 5496 | Cylinder Shutoff Solenoid Control 3 |
| 11 | D-BU | 5491 | Cylinder Shutoff Solenoid Control 1 |
| 12-17 | - | - | Not Used |
| 18 | BN | 1174 | Oil Level Switch Signal |
| 19-20 | - | - | Not Used |
| 21 | BK/WH | 2751 | Low Reference |
| 22 | - | - | Not Used |
| 23 | OG/BK | 469 | Low Reference |
| 24-27 | - | - | Not Used |
| 28 | L-BU/BK | 6297 | Low Reference |
| 29 | GY | 23 | Generator Field Duty Cycle Signal |
| 30-32 | - | - | Not Used |
| 33 | TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 34 | - | - | Not Used |
| 35 | TN | 2761 | Low Reference |
| 36 | - | - | Not Used |
| 37 | GY | 2700 | 5-Volt Reference 1 |
| 38 | - | - | Not Used |
| 39 | GY | 2704 | 5-Volt Reference 1 |
| 40-43 | - | - | Not Used |
| 44 | L-BU | 6295 | 5-Volt Reference 2 |
| 45 | - | - | Not Used |
| 46 | OG/BK | 1786 | Park/Neutral Signal |
| 47 | - | - | Not Used |
| 48 | D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
| 49 | D-GN | 335 | Low Speed Cooling Fan Relay Control |
| 50-52 | - | - | Not Used |
| 53 | TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 54 | - | - | Not Used |
| 55 | YE | 410 | ECT Sensor Signal |
| 56 | - | - | Not Used |
| 57 | OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
| 58 | - | - | Not Used |
| 59 | L-GN | 432 | MAP Sensor Signal |
| 60-65 | - | - | Not Used |
| 66 | OG | 381 | Vehicle Speed Signal |
| 67 | - | - | Not Used |
| 68 | WH | 5497 | Cylinder Shutoff Solenoid Control 2 |
| 69 | OG | 5494 | Cylinder Shutoff Solenoid Control 4 |
| 70-73 | - | - | Not Used |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.