Engine Control Module (ECM) X1 (LSA) Connector End View
Courtesy of GENERAL MOTORS CORP. Engine Control Module (ECM) X1 (LSA)
| Pin |
Wire |
Circuit |
Function |
| 1-6 |
- |
- |
Not Used |
| 7 |
0.5 WH |
17 |
Low Reference |
| 8 |
- |
- |
Not Used |
| 9 |
0.5 TN |
2759 |
Fuel Tank Pressure Sensor Low Reference |
| 10-11 |
- |
- |
Not Used |
| 12 |
0.5 BN/WH |
419 |
Malfunction Indicator Lamp (MIL) Control |
| 13 |
0.5 D-GN/WH |
465 |
Fuel System Control Module Signal Fuel Pump Relay Control - Primary |
| 14-17 |
- |
- |
Not Used |
| 18 |
0.5 D-BU |
5985 |
Accessory Wakeup Serial Data |
| 19 |
0.5 PK |
339 |
Ignition 1 Voltage |
| 20 |
0.5 RD/WH |
340 |
Battery Positive Voltage |
| 21-25 |
- |
- |
Not Used |
| 26 |
0.5 YE |
447 |
Starter Relay Coil Control |
| 27-32 |
- |
- |
Not Used |
| 33 |
0.35 WH/BK |
1164 |
5-Volt Reference 2 |
| 34 |
0.5 GY |
2709 |
Fuel Tank Pressure Sensor 5 Volt Reference |
| 35 |
0.35 TN |
1274 |
5-Volt Reference 1 |
| 36 |
0.35 BN |
1271 |
Low Reference |
| 37 |
0.35 PU |
1272 |
Low Reference |
| 38-39 |
- |
- |
Not Used |
| 40 |
0.5 BN |
5069 |
Main Relay Control |
| 41-43 |
- |
- |
Not Used |
| 44 |
0.5 D-BU |
1936 |
Primary Fuel Level Sensor Signal |
| 45 |
0.5 L-BU |
1937 |
Secondary Fuel Level Sensor Signal |
| 46 |
0.8 BN |
7123 |
Supercharger Air Inlet Pressure Sensor Signal |
| 47 |
0.35 D-BU |
1161 |
Accelerator Pedal Position (APP) Sensor 1 Signal |
| 48 |
0.5 D-GN |
890 |
Fuel Tank Pressure (FTP) Sensor Signal |
| 49 |
0.35 L-BU |
1162 |
Accelerator Pedal Position (APP) Sensor 2 Signal |
| 50-52 |
- |
- |
Not Used |
| 53 |
0.5 D-GN/WH |
459 |
A/C Compressor Clutch Relay Control |
| 54 |
0.5 D-BU |
473 |
High Speed Cooling Fan Relay Control |
| 55 |
0.8 WH |
1310 |
EVAP Canister Vent Solenoid Valve Control |
| 56 |
- |
- |
Not Used |
Connector Part Information
- Harness Type: Engine
- OEM Connector: 12582680
- Service Connector: 88988373
- Description: 56-Way F MX123 34576 Series (BU)
|
Terminal Part Information
- Pins: 7, 33-37, 47, 49
- Terminated Lead: 13575811
- Release Tool: J-38125-213
- Diagnostic Test Probe: J-35616-64B (L-BU)
- Terminal/Tray: 33467-0003/23
- Core/Insulation Crimp: H/H
- Pins: 9, 12, 13, 18-20, 26, 34, 40, 44-46, 48, 53-55
- Terminated Lead: 13575575
- Release Tool: J-38125-213
- Diagnostic Test Probe: J-35616-64B (L-BU)
- Terminal/Tray: 33467-0005/23
- Core/Insulation Crimp: J/J
|