Engine Control Module (ECM) X1 (LE8/LE9) Connector End View
Courtesy of GENERAL MOTORS COMPANY Engine Control Module (ECM) X1 (LE8/LE9)
| 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 L-GN/WH |
465 |
Fuel Pump Relay Control (-Primary) |
| 7-10 |
- |
- |
Not Used |
| 11 |
0.35 OG/D-GN |
7360 |
Manual Transmission Clutch Position Sensor Return |
| 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 |
| 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 |
| 31 |
- |
- |
Not Used |
| 32 |
0.35 PU/WH |
6386 |
Starter Enable Relay 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 (+Primary) |
| 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 (+) |
| 44 |
0.35 TN |
2501 |
High Speed GMLAN Serial Data (-) |
| 45 |
0.35 D-BU/WH |
7361 |
Manual Transmission Clutch Position Sensor Supply |
| 46 |
- |
- |
Not Used |
| 47 |
0.35 WH/BK |
1164 |
5-Volt Reference -1 to APP Sensor |
| 48-53 |
- |
- |
Not Used |
| 54 |
0.35 BN/WH |
6354 |
VSS Signal High |
| 55 |
0.5 L-BU |
20 |
Stop Lamp Supply Voltage |
| 56 |
- |
- |
Not Used |
| 57 |
0.35 D-GN |
6307 |
Clutch Start Neutral Start Signal |
| 58 |
0.35 L-BU |
6289 |
Intake Air Temperature Sensor Signal |
| 59-60 |
- |
- |
Not Used |
| 61 |
0.35 L-GN |
6338 |
Manual Transmission Clutch Position Sensor Signal Position |
| 62-65 |
- |
- |
Not Used |
| 66 |
0.35 GY |
2709 |
5-Volt Reference -1 to FTP Sensor |
| 67 |
0.35 TN |
1274 |
5-Volt Reference -1 to APP Sensor |
| 68-69 |
- |
- |
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
- Harness: Body
- OEM: 34566-1393
- Service: 88988931
- Description: 73-Way F MX 123 Series (BK)
|
Terminal Part Information
- Pins 1-72
- Terminal/Tray: 33467-0003/ 23
- Core/Insulation Crimp: H/H
- Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
- Pins 73
- Terminal/Tray: 7116-4151-02/9
- Core/Insulation Crimp: E/1
- Release Tool/Test Probe: 12094430/J-35616-4A (PU)
|