Engine Control Module (ECM) X2 (LMG, LC9, LY5, LH6, L76, or L9H without Y91)
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness: Engine
- OEM: 13528613
- Service: 19115670
- Description: 80-Way F 0.64 Sealed (GY)
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Terminal Part Information
- Pins: 2, 3, 16, 35, 44, 52, 63-66, 68, 69
- 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: 6, 8-14, 17-22, 26, 27, 29, 30, 32, 34, 37-41, 43, 50, 53, 56-61, 70-79
- 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
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Engine Control Module (ECM) X2 (LMG, LC9, LY5, LH6, L76, or L9H without Y91)
| Pin |
Wire |
Circuit |
Function |
| 1 |
- |
- |
Not Used |
| 2 |
0.35 PU/WH |
6270 |
5-Volt Reference 2 |
| 3 |
0.35 GY |
2701 |
5-Volt Reference 2 |
| 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 |
0.5 GY |
5493 |
Cylinder Shutoff Solenoid Control (3) (except L9H) |
| 10 |
0.5 D-BU |
5491 |
Cylinder Shutoff Solenoid Control (1) (except L9H) |
| 11 |
0.5 OG |
5494 |
Cylinder Shutoff Solenoid Control (4) (except L9H) |
| 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 |
0.5 L-GN/BK |
5492 |
Cylinder Shutoff Solenoid Control (2) (except L9H) |
| 15 |
- |
- |
Not Used |
| 16 |
0.35 PU |
5284 |
Camshaft Actuator Solenoid Control (L76 or L9H) |
| 17 |
0.5 D-BU/WH |
878 |
Fuel Injector 8 Control |
| 18 |
0.5 TN/WH |
845 |
Fuel Injector 5 Control |
| 19 |
0.5 YE/BK |
846 |
Fuel Injector 6 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 |
0.8 D-BU |
496 |
KS 1 Signal |
| 27 |
0.8 GY |
1716 |
KS 1 Signal |
| 28 |
- |
- |
Not Used |
| 29 |
0.8 L-BU |
1876 |
KS 2 Signal |
| 30 |
0.8 GY |
2303 |
KS 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 |
0.35 TN |
2752 |
Low Reference |
| 36 |
- |
- |
Not Used |
| 37 |
0.5 L-GN/BK |
1745 |
Fuel Injector 2 Control |
| 38 |
0.5 PK/BK |
1746 |
Fuel Injector 3 Control |
| 39 |
0.5 L-BU/BK |
844 |
Fuel Injector 4 Control |
| 40 |
0.5 OG/BK |
877 |
Fuel Injector 7 Control |
| 41 |
0.5 GY/WH |
2705 |
5-Volt Reference 1 |
| 42 |
- |
- |
Not Used |
| 43 |
0.5 GY |
2704 |
5-Volt Reference 1 |
| 44 |
0.35 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 |
0.35 TN |
2199 |
Low Reference (L76 or L9H) |
| 53 |
0.5 OG/BK |
469 |
Low Reference |
| 54-55 |
- |
- |
Not Used |
| 56 |
0.5 TN |
1664 |
HO2S Low Signal - Bank 1 Sensor 1 |
| 57 |
0.5 PU/WH |
1665 |
HO2S High Signal - Bank 1 Sensor 1 |
| 58 |
0.5 L-GN |
432 |
MAP Sensor Signal |
| 59 |
0.5 PU |
1666 |
HO2S High Signal - Bank 2 Sensor 1 |
| 60 |
0.5 TN |
1667 |
H02S Low Signal - Bank 2 Sensor 1 |
| 61 |
0.5 BN |
25 |
Charge Indicator Signal |
| 62 |
- |
- |
Not Used |
| 63 |
0.35 PU |
486 |
TP Sensor 2 Signal |
| 64 |
0.35 D-BU/WH |
6265 |
CMP Sensor Signal |
| 65 |
0.35 D-GN |
485 |
TP Sensor 1 Signal |
| 66 |
0.35 BN |
6266 |
Low Reference |
| 67 |
- |
- |
Not Used |
| 68 |
0.35 WH/BK |
6271 |
CKP Sensor Signal |
| 69 |
0.35 GY/BK |
6272 |
Low Reference |
| 70 |
0.5 PU |
2121 |
IC 1 Control |
| 71 |
0.5 PU/WH |
2128 |
IC 8 Control |
| 72 |
0.5 OG |
2127 |
IC 7 Control |
| 73 |
0.5 OG/WH |
2122 |
IC 2 Control |
| 74 |
0.5 L-BU/WH |
2126 |
IC 6 Control |
| 75 |
0.5 D-GN |
2125 |
IC 5 Control |
| 76 |
0.5 D-GN/WH |
2124 |
IC 4 Control |
| 77 |
0.5 L-BU |
2123 |
IC 3 Control |
| 78 |
0.5 BN |
2129 |
Low Reference |
| 79 |
0.5 BN/WH |
2130 |
Low Reference |
| 80 |
- |
- |
Not Used |