Engine Control Module (ECM) X1 (L61/LE5)
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) X1 (L61/LE5)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 D-BU | 1161 | APP Sensor 1 Signal |
| 2 | - | - | Not Used |
| 3 | 0.35 BN | 4 | Accessory Voltage |
| 4 | - | - | Not Used |
| 5 | 0.35 D-GN | 335 | Low Speed Cooling Fan Relay Control |
| 6 | 0.35 D-GN/WH | 465 | Fuel Pump Relay Control |
| 7-10 | - | - | Not Used |
| 11 | 0.35 OG/GN | 7360 | Low Reference (M86) |
| 12 | - | - | Not Used |
| 13 | 0.35 YE | 5991 | Powertrain Relay Control |
| 14-17 | - | - | Not Used |
| 18 | 0.35 L-BU | 1162 | APP Sensor 2 Signal |
| 19 | 0.5 PK/BK | 1039 | Ignition 1 Voltage |
| 20 | 0.5 RD/WH | 840 | Battery Positive Voltage |
| 21 | 0.35 PU | 1272 | Low Reference |
| 22-23 | - | - | Not Used |
| 24 | 0.35 TN | 2759 | Low Reference |
| 25 | 0.35 OG/BK | 380 | A/C Refrigerant Pressure Sensor Signal (C67) |
| 26 | - | - | Not Used |
| 27 | 0.35 BN/WH | 419 | MIL Control |
| 28-29 | - | - | Not Used |
| 30 | 0.35 D-GN/WH | 459 | A/C Compressor Clutch Relay Control (C67) |
| 31 | - | - | Not Used |
| 32 | 0.35 PU/WH | 6386 | Starter Control |
| 33 | - | - | Not Used |
| 34 | 0.35 PU/WH | 6356 | VSS Signal Low |
| 35-36 | - | - | Not Used |
| 37 | 0.35 YE | 492 | Mass Air Flow Sensor Signal |
| 38 | - | - | Not Used |
| 39 | 0.35 PU | 1589 | Fuel Level Sensor Signal |
| 40 | - | - | Not Used |
| 41 | 0.35 BN | 1271 | Low Reference |
| 42 | 0.35 D-GN | 890 | Fuel Tank Pressure Sensor Signal |
| 43 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) |
| 44 | 0.35 TN | 2501 | High Speed GMLAN Serial Data (-) (1) |
| 45 | 0.35 D-BU/WH | 7361 | 5-Volt Reference 2 (M86) |
| 46 | - | - | Not Used |
| 47 | 0.35 WH/BK | 1164 | 5-Volt Reference 2 |
| 48 | - | - | Not Used |
| 49 | 0.35 D-BU | 473 | Coolant Fan Relay Output - Coil |
| 50-53 | - | - | Not Used |
| 54 | 0.35 BN/WH | 6354 | VSS Signal High |
| 55 | 0.35 L-BU | 20 | Stop Lamp Supply Voltage |
| 56 | 0.35 D-GN | 1433 | PNP/Clutch Start Switch Signal (M86) |
| 57 | 0.35 D-GN | -6307 | Park/Neutral Signal |
| 58 | 0.35 L-BU | 6289 | Induction Air Temperature Sensor Signal |
| 59-60 | - | - | Not Used |
| 61 | 0.35 L-GN | 6338 | Clutch Pedal Position Sensor Signal (M86) |
| 62-65 | - | - | Not Used |
| 66 | 0.35 GY | 2709 | 5-Volt Reference 1 |
| 67 | 0.35 TN | 1274 | 5-Volt Reference 1 |
| 68 | 0.35 BN | 436 | Air Injection Reaction Pump Motor Relay Output - Coil (NU6) |
| 69 | - | - | Not Used |
| 70 | 0.5 WH | 1310 | EVAP Canister Vent Solenoid Control |
| 71-72 | - | - | Not Used |
| 73 | 0.8 PK/BK | 5290 | Ignition 1 Voltage |
Connector Part Information
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Terminal Part Information
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