Engine Control Module (ECM) X1 (LAT)
Courtesy of GENERAL MOTORS CORP. Engine Control Module (ECM) X1 (LAT)
| Pin |
Wire |
Circuit |
Function |
| 1-6 |
- |
- |
Not Used |
| 7 |
0.5 WH |
17 |
Stop Lamp Switch Signal |
| 8 |
- |
- |
Not Used |
| 9 |
0.5 BN/WH |
6281 |
Low Reference |
| 10-11 |
- |
- |
Not Used |
| 12 |
0.5 BN/WH |
419 |
MIL Control |
| 13 |
0.5 D-GN/WH |
465 |
Fuel Pump Relay Control |
| 14-17 |
- |
- |
Not Used |
| 18 |
0.5 D-BU |
5985 |
Accessory Voltage |
| 19 |
0.5 PK |
639 |
Ignition 1 Voltage |
| 20 |
0.5 RD/WH |
40 |
Battery Positive Voltage |
| 21-25 |
- |
- |
Not Used |
| 26 |
0.5 PU/WH |
6386 |
Starter Relay Coil Control |
| 27-30 |
- |
- |
Not Used |
| 31 |
0.5 TN/BK |
9945 |
Low Reference |
| 32 |
0.5 GY |
9905 |
5-Volt Reference |
| 33 |
0.5 WH/BK |
1164 |
5-Volt Reference 2 |
| 34 |
0.5 BN/WH |
6283 |
5-Volt Reference 1 |
| 35 |
0.5 TN |
1274 |
5-Volt Reference 1 |
| 36 |
0.5 BN |
1271 |
Low Reference |
| 37 |
0.5 PU |
1272 |
Low Reference |
| 38-39 |
- |
- |
Not Used |
| 40 |
0.5 YE |
5991 |
Powertrain Relay Control |
| 41-43 |
- |
- |
Not Used |
| 44 |
0.5 D-BU |
1936 |
Fuel Level Sensor Signal - Left |
| 45 |
0.5 L-BU |
1937 |
Fuel Level Sensor Signal - Right |
| 46 |
0.5 YE |
9914 |
Brake Booster Vacuum Sensor Signal |
| 47 |
0.5 D-BU |
1161 |
APP Sensor 1 Signal |
| 48 |
0.5 D-GN |
890 |
Fuel Tank Pressure Sensor Signal |
| 49 |
0.5 L-BU |
1162 |
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 |
0.5 WH |
1310 |
EVAP Canister Vent Solenoid Control |
| 56 |
- |
- |
Not Used |
Connector Part Information
- OEM: 12582680
- Service: See Catalog
- Description: 56-Way F 0.64 2.8 Series, Sealed (BU)
|
Terminal Part Information
- Pins: 7, 9, 12-13, 18-20, 26, 31-37, 40, 44, 46-49, 53-55
- Terminal/Tray: 33467-0003/23
- Core/Insulation Crimp: H/H
- Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
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