Engine Control Module (ECM) X2 (LSA) Connector End View
Courtesy of GENERAL MOTORS CORP. Engine Control Module (ECM) X2 (LSA)
| Pin |
Wire |
Circuit |
Function |
| 1 |
0.5 PU |
2121 |
Ignition Control (1) |
| 2 |
0.5 TN |
1664 |
HO2S Low Signal - Bank 1 Sensor 1 |
| 3 |
0.5 PU/WH |
1665 |
HO2S High Signal - Bank 1 Sensor 1 |
| 4 |
0.5 PU/WH |
1668 |
HO2S High Signal - Bank 1 Sensor 2 |
| 5 |
0.5 TN/WH |
1669 |
HO2S Low Signal - Bank 1 Sensor 2 |
| 6 |
0.35 L-BU |
1876 |
Knock Sensor (KS) 2 Signal |
| 7 |
0.35 GY |
2303 |
Knock Sensor (KS) Signal |
| 8 |
0.35 D-BU |
496 |
Knock Sensor (KS) 1 Signal |
| 9 |
0.35 GY |
1716 |
Knock Sensor (KS) 1 Signal |
| 10 |
- |
- |
Not Used |
| 11 |
0.5 YE |
581 |
Throttle Actuator Control Open |
| 12 |
0.5 BN |
582 |
Throttle Actuator Control Close |
| 13 |
0.8 PK/BK |
5290 |
Ignition 1 Voltage |
| 14-15 |
- |
- |
Not Used |
| 16 |
0.5 PK/BK |
1746 |
Fuel Injector 3 Control |
| 17 |
0.5 PU/WH |
2128 |
Ignition Control (8) |
| 18 |
0.5 D-GN/WH |
2124 |
Ignition Control (4) |
| 19 |
0.8 BN/WH |
2130 |
Ignition Control Low Reference Bank 2 |
| 20-22 |
- |
- |
Not Used |
| 23 |
0.35 BN |
6266 |
Low Reference |
| 24 |
0.8 BK |
2755 |
Oil Pressure Sensor Low Reference |
| 25 |
0.8 D-GN |
7125 |
Super Charger Inlet Air Pressure Sensor Return |
| 26 |
- |
- |
Not Used |
| 27 |
0.35 GY/BK |
6272 |
Low Reference |
| 28 |
0.8 PK/BK |
5290 |
Ignition 1 Voltage |
| 29 |
0.35 TN |
2752 |
Low Reference |
| 30-31 |
- |
- |
Not Used |
| 32 |
0.5 L-GN/BK |
1745 |
Fuel Injector 2 Control |
| 33 |
0.5 OG |
2127 |
Ignition Control (7) |
| 34 |
0.5 D-GN |
2125 |
Ignition Control (5) |
| 35 |
0.8 BN |
2129 |
Ignition Control Low Reference Bank 1 |
| 36-38 |
- |
- |
Not Used |
| 39 |
0.35 D-BU |
6259 |
5-Volt Reference 1 |
| 40 |
0.8 GY |
2705 |
5-Volt Reference 1 |
| 41 |
0.8 YE/BK |
7124 |
5-Volt Reference 1 |
| 42 |
0.5 TN |
2760 |
Intake Air Temperature Sensor Low Reference |
| 43 |
0.35 PU/WH |
6270 |
5-Volt Reference 2 |
| 44 |
0.35 GY |
2701 |
5-Volt Reference 2 |
| 45 |
0.35 OG/BK |
586 |
Transmission Oil Temperature Sensor Low Reference (MG9) |
| 46-47 |
- |
- |
Not Used |
| 48 |
0.5 D-BU/WH |
878 |
Fuel Injector 8 Control |
| 49 |
0.5 TN/WH |
845 |
Fuel Injector 5 Control |
| 50-51 |
- |
- |
Not Used |
| 52 |
0.5 YE/BK |
846 |
Fuel Injector 6 Control |
| 53 |
0.5 OG/WH |
2122 |
Ignition Control (2) |
| 54 |
0.5 D-BU/WH |
2126 |
Ignition Control (6) |
| 55 |
0.5 D-BU |
2123 |
Ignition Control (3) |
| 56-58 |
- |
- |
Not Used |
| 59 |
0.35 D-BU/WH |
6265 |
CMP Sensor Signal |
| 60 |
0.8 TN/WH |
331 |
Oil Pressure Sensor Signal |
| 61 |
- |
- |
Not Used |
| 62 |
0.5 TN |
472 |
Induction Air Temperature Sensor Signal |
| 63 |
0.35 WH/BK |
6271 |
CKP Sensor Signal |
| 64 |
0.35 D-GN |
485 |
Throttle Position Sensor Signal (1) |
| 65 |
0.35 TN/WH |
585 |
Transmission Oil Temperature Sensor Signal (MG9) |
| 66 |
0.35 PU |
486 |
Throttle Position Sensor Signal (2) |
| 67 |
0.5 YE |
492 |
Mass Air Flow Sensor Signal |
| 68 |
0.5 GY/WH |
3113 |
HO2S Heater Low Control - Bank 1 Sensor 1 |
| 69 |
0.5 GY/WH |
3122 |
HO2S Heater Low Control - Bank 1 Sensor 2 |
| 70 |
0.5 L-BU/BK |
844 |
Fuel Injector 4 Control |
| 71 |
0.5 OG/BK |
877 |
Fuel Injector 8 Control |
| 72 |
0.5 TN |
1744 |
Fuel Injector 1 Control |
| 73 |
3.0 BK |
1550 |
Ground |
Connector Part Information
- Harness Type: Engine
- OEM Connector: 12582677
- Service Connector: 88988931
- Description: 73-Way F 0.64 2.8 Series, Sealed (BK)
|
Terminal Part Information
- Pins: 1-5, 11-13, 16-19, 24, 25, 28, 32-35, 40-42, 48, 49, 52-55, 60, 62, 67-72
- 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
- Pins: 6-9, 23, 27, 29, 39, 43-45, 59, 63-66
- 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: 73
- Terminated Lead: Pending
- Release Tool: J-38125-11A
- Diagnostic Test Probe: J-35616-35 (VT)
- Terminal/Tray: 7116-4152-02/9
- Core/Insulation Crimp: A/5
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