Engine Control Module (ECM) X2 (LZ4)
Courtesy of GENERAL MOTORS CORP. Engine Control Module (ECM) X2 (LZ4)
| Pin |
Wire |
Circuit |
Function |
| 1 |
- |
- |
Not Used |
| 2 |
0.5 PU/WH |
6270 |
5-Volt Reference 2 |
| 3 |
0.5 GY |
2701 |
5-Volt Reference |
| 4 |
- |
- |
Not Used |
| 5 |
0.5 BN |
582 |
TAC Motor Control - 2 |
| 6 |
0.5 YE |
581 |
TAC Motor Control - 1 |
| 7 |
- |
- |
Not Used |
| 8 |
0.5 D-GN/WH |
428 |
EVAP Canister Purge Solenoid Control |
| 9-11 |
- |
- |
Not Used |
| 12 |
0.5 GY/WH |
3113 |
HO2S Heater Low Control - Bank 1 Sensor 1 |
| 13 |
0.5 L-GN |
3212 |
HO2S Heater Low Control - Bank 2 Sensor 1 |
| 14-15 |
- |
- |
Not Used |
| 16 |
0.5 PK/BK |
6395 |
Camshaft Position (CMP) Actuator Solenoid Control - Intake |
| 17 |
0.5 L-GN/BK |
1745 |
Fuel Injector 2 Control |
| 18 |
0.5 YE/BK |
846 |
Fuel Injector 6 Control |
| 19 |
0.5 TN/WH |
845 |
Fuel Injector 5 Control |
| 20 |
0.5 TN |
1744 |
Fuel Injector 1 Control |
| 21 |
0.5 YE |
410 |
ECT Sensor Signal |
| 22 |
0.5 TN |
2761 |
Low Reference |
| 23-25 |
- |
- |
Not Used |
| 26 |
0.5 D-BU |
496 |
Knock Sensor 1 Signal |
| 27 |
0.5 GY |
1716 |
Knock Sensor 1 Signal |
| 28 |
- |
- |
Not Used |
| 29 |
0.5 L-BU |
1876 |
Knock Sensor 2 Signal |
| 30 |
0.5 GY |
2303 |
Knock Sensor 2 Signal |
| 31 |
- |
- |
Not Used |
| 32 |
0.5 GY |
23 |
Generator Field Duty Cycle Signal |
| 33 |
- |
- |
Not Used |
| 34 |
0.5 BK |
2755 |
Low Reference |
| 35 |
0.5 TN |
2752 |
Low Reference |
| 36 |
- |
- |
Not Used |
| 37 |
0.5 L-BU/BK |
844 |
Fuel Injector 4 Control |
| 38-39 |
- |
- |
Not Used |
| 40 |
0.5 PK/BK |
1746 |
Fuel Injector 3 Control |
| 41 |
0.5 GY |
2705 |
5-Volt Reference |
| 42 |
- |
- |
Not Used |
| 43 |
0.5 GY |
2704 |
5-Volt Reference |
| 44 |
0.5 D-BU |
6259 |
5-Volt Reference 1 |
| 45-49 |
- |
- |
Not Used |
| 50 |
0.5 TN/WH |
331 |
Oil Pressure Sensor Signal |
| 51 |
- |
- |
Not Used |
| 52 |
0.5 BN |
6753 |
Low Reference |
| 53 |
0.5 OG/BK |
469 |
Low Reference |
| 54-55 |
- |
- |
Not Used |
| 56 |
0.5 TN/WH |
3111 |
HO2S Low Reference Bank 1 Sensor 1 |
| 57 |
0.5 PU/WH |
3110 |
HO2S Reference Voltage Bank 1 Sensor 1 |
| 58 |
0.5 L-GN |
432 |
MAP Sensor Signal |
| 59 |
0.5 PU/WH |
3210 |
HO2S Reference Voltage Bank 2 Sensor 1 |
| 60 |
0.5 TN/WH |
3211 |
HO2S Low Reference Bank 2 Sensor 1 |
| 61 |
0.5 OG |
225 |
Generator Turn On Signal |
| 62 |
- |
- |
Not Used |
| 63 |
0.5 PU |
486 |
TP Sensor 2 Signal |
| 64 |
0.5 D-BU/WH |
6265 |
Camshaft Position (CMP) Sensor Signal - Bank 1 Intake |
| 65 |
0.5 D-GN |
485 |
TP Sensor 1 Signal |
| 66 |
0.5 BN |
6266 |
Camshaft Position (CMP) Sensor Low Reference - Intake |
| 67 |
- |
- |
Not Used |
| 68 |
0.5 WH/BK |
6271 |
Crankshaft Position Sensor Signal |
| 69 |
0.5 GY/BK |
6272 |
Low Reference |
| 70 |
0.5 PU |
2121 |
IC 1 Control |
| 71 |
0.5 OG/WH |
2122 |
IC 2 Control |
| 72 |
0.5 L-BU |
2123 |
IC 3 Control |
| 73-77 |
- |
- |
Not Used |
| 78 |
0.5 BN |
2129 |
Low Reference |
| 79-80 |
- |
- |
Not Used |
Connector Part Information
- OEM: 13511426
- Service: 19115670
- Description: 80-Way F MX123 Series Sealed (GY)
|
Terminal Part Information
- Pins: 2- 3, 5- 6, 8, 12-13, 16-22, 26-27, 29-30, 32, 34-35, 37, 40-41, 43-44, 50, 52-53, 56-61, 63-66, 68-72, 78
- Terminal/Tray: 33467-0005/23
- Core/Insulation Crimp: J/J
- Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)
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