Engine Control Module (ECM) C3
Engine Control Module (ECM) C3 Connector Part Information
Connector Part Information
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Terminal Part Information
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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 |
| 8-20 | - | - | Not Used |
| 21 | TN | 5514 | Low Reference |
| 22 | - | - | Not Used |
| 23 | OG/BK | 469 | Low Reference |
| 24 | TN | 2759 | Low Reference |
| 25-27 | - | - | Not Used |
| 28 | TN/WH | 1704 | 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 2 |
| 38 | - | - | Not Used |
| 39 | GY | 2704 | 5-Volt Reference 1 |
| 40-43 | - | - | Not Used |
| 44 | L-BU/BK | 1688 | 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 |
| 60-64 | - | - | Not Used |
| 65 | TN/BK | 231 | Oil Pressure Sensor Signal |
| 66-73 | - | - | Not Used |