Engine Control Module (ECM) X1 (L95/LXT) Connector End View
WARNING: This page is about a different car, the 2011 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
Engine Control Module (ECM) X1 (L95/LXT)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | RD/WH | 440 | Battery Positive Voltage |
| 2-4 | - | - | Not Used |
| 5 | D-GN | 892 | Octane Selector Switch Signal |
| 6 | D-GN/WH | 817 | Vehicle Speed Signal (MLM) |
| 7 | BN | 834 | Rough Road Signal with ABS (JM4) |
| 8-11 | - | - | Not Used |
| 12 | D-BU | 473 | High Speed Cooling Fan Relay Control |
| 13 | YE | 492 | Intake Manifold Tuning (IMT) Solenoid Valve Control |
| 14 | PU | 1807 | High Speed GMLAN Serial Data |
| 15 | YE | 710 | Low Speed GMLAN Serial Data |
| 16 | BK | 50 | Ground |
| 17 | RD/WH | 440 | Battery Positive Voltage |
| 18 | PK | 539 | Ignition 1 Voltage |
| 19-20 | - | - | Not Used |
| 21 | D-GN | 602 | Rough Road Signal (without JM4) |
| 22 | L-BU | 203 | A/C Request Signal (C60/C68) |
| 23 | - | - | Not Used |
| 24 | D-GN | 135 | Engine Coolant Temperature Gauge Control |
| 25 | WH | 121 | Engine Speed Signal |
| 26-27 | - | - | Not Used |
| 28 | D-GN | 355 | Low Speed Cooling Fan Relay Control |
| 29 | PU/WH | 67 | A/C Compressor Clutch Coil Supply Voltage (C60/C68) |
| 30 | PU | 30 | Fuel Gauge Control |
| 31 | - | - | Not Used |
| 32 | BK/WH | 2051 | Serial Data Signal |
| 33 | - | - | Not Used |
| 34 | L-BU | 1937 | Low Reference |
| 35 | D-GN/WH | 762 | A/C Request Signal (C60/C68) |
| 36 | BN | 413 | Heated Oxygen Sensor 2 Signal |
| 37-49 | - | - | Not Used |
| 50 | OG/BK | 1031 | 5-Volt Reference 2 |
| 51 | D-BU | 1936 | Fuel Level Sensor Signal |
| 52 | - | - | Not Used |
| 53 | PU | 1670 | Heated Oxygen Sensor 2 Low Reference |
| 54 | L-GN | 497 | Fuel Pump Relay Control |
| 55-63 | - | - | Not Used |
| 64 | BN/WH | 419 | Malfunction Indicator Lamp Control |
Connector Part Information
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Terminal Part Information
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