Engine Control Module (ECM) C3
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) Connector End Views
Connector Part Information
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Terminal Part Information
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Engine Control Module (ECM) C3
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-6 | - | - | Not Used |
| 7 | OG | 225 | Generator Turn On Signal |
| 8-11 | - | - | Not Used |
| 12 | TN/BK | 464 | Delivered Torque Signal |
| 13-16 | - | - | Not Used |
| 17 | OG/BK | 463 | Requested Torque Signal |
| 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 |
| 24-28 | - | - | Not Used |
| 29 | GY | 23 | Generator Field Duty Cycle Signal |
| 30-31 | - | - | Not Used |
| 32 | OG | 6392 | Variable Tuning Control |
| 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 |
| 38 | - | - | Not Used |
| 39 | GY | 2704 | 5-Volt Reference |
| 40-45 | - | - | Not Used |
| 46 | D-GN | 6307 | 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 |
| 60-63 | - | - | Not Used |
| 64 | YE/BK | 6806 | Variable Tuning Position Sensor Signal |
| 65 | - | - | Not Used |
| 66 | BN/WH | 6354 | Output Speed High (Replicated TOSS) Input Signal |
| 67-73 | - | - | Not Used |