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.
Engine Control Module (ECM) X3
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Engine Control Module (ECM) X3
WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) X3
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1-6 | - | - | Not Used |
| 7 | 0.5 PU | 5428 | Generator Regulator Control |
| 8 | - | - | Not Used |
| 9 | 0.5 BN | 436 | AIR Relay Control (K18) |
| 10-11 | - | - | Not Used |
| 12 | 0.35 TN/BK | 464 | Delivered Torque Signal |
| 13-16 | - | - | Not Used |
| 17 | 0.35 OG/BK | 463 | Requested Torque Signal |
| 18-20 | - | - | Not Used |
| 21 | 0.5 BK/WH | 2751 | Low Reference |
| 22 | - | - | Not Used |
| 23 | 0.5 OG/BK | 469 | Low Reference |
| 24-25 | - | - | Not Used |
| 26 | 0.5 D-BU/WH | 6785 | Low Reference (K18) |
| 27 | 0.5 D-GN/WH | 6294 | Low Reference (MA5) |
| 28 | - | - | Not Used |
| 29 | 0.5 GY | 23 | Generator Field Duty Cycle Signal |
| 30-32 | - | - | Not Used |
| 33 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 34 | - | - | Not Used |
| 35 | 0.5 TN | 2761 | Low Reference |
| 36 | - | - | Not Used |
| 37 | 0.5 GY | 2700 | 5-Volt Reference |
| 38 | - | - | Not Used |
| 39 | 0.5 GY | 2704 | 5-Volt Reference |
| 40-41 | - | - | Not Used |
| 42 | 0.5 BN/WH | 6789 | 5-Volt Reference (K18) |
| 43 | 0.5 D-GN | 6293 | 5-Volt Reference (MA5) |
| 44-45 | - | - | Not Used |
| 46 | 0.5 D-GN | 1433 | PNP/Clutch Start Switch Signal (M30) |
| 47 | - | - | Not Used |
| 48 | 0.5 D-GN/WH | 428 | EVAP Canister Purge Solenoid Control |
| 49-52 | - | - | Not Used |
| 53 | 0.5 TN/WH | 2500 | High Speed GMLAN Serial Data Bus + |
| 54 | - | - | Not Used |
| 55 | 0.5 YE | 410 | ECT Sensor Signal |
| 56 | - | - | Not Used |
| 57 | 0.5 OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal |
| 58 | - | - | Not Used |
| 59 | 0.5 L-GN | 432 | MAP Sensor Signal |
| 60-61 | - | - | Not Used |
| 62 | 0.5 YE | 6787 | Air Injection Reaction Control Valve Control (K18) |
| 63 | 0.5 D-BU | 6306 | Clutch Pedal Position Signal (MA5) |
| 64 | - | - | Not Used |
| 65 | 0.35 TN/BK | 231 | Oil Pressure Switch Signal |
| 66 | 0.5 PU/WH | 821 | VSS High Signal (MA5) |
| 67 | 0.5 L-GN/BK | 822 | VSS Low Signal (MA5) |
| 68-73 | - | - | Not Used |
Connector Part Information
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Terminal Part Information
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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.