K20 Engine Control Module X1 (LUJ)
 Courtesy of
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Connector Part Information
- Harness Type: Engine
- OEM Connector: 12582680
- Service Connector: 88988373
- Description: 56-Way F MX123 34576 Series, Sealed (BU)
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Terminal Part Information
- Pins: 2, 3, 9-13, 16, 18, 23-30, 32-34, 37-41, 43, 45-47, 52, 54, 56
- Terminated Lead: 13575812
- Release Tool: J-38125-213
- Diagnostic Test Probe: J-35616-64B (L-BU)
- Terminal/Tray: 33467-0005/23
- Core/Insulation Crimp: J/J
- Pins: 19, 20, 31
- Terminated Lead: 13575812
- Release Tool: J-38125-213
- Diagnostic Test Probe: J-35616-64B (L-BU)
- Terminal/Tray: 33467-0005/23
- Core/Insulation Crimp: K/K
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K20 Engine Control Module X1 (LUJ)
| Pin |
Wire |
Circuit |
Function |
| 1 |
- |
- |
Not Used |
| 2 |
0.5 L-GN/WH |
1162 |
Accelerator Pedal Position Signal (2) |
| 3 |
0.5 GN/WH |
492 |
Mass Air Flow Sensor Signal |
| 4-7 |
- |
- |
Not Used |
| 8 |
0.5 BN/GY |
4008 |
Humidity Sensor Signal |
| 9 |
0.5 YE/WH |
3200 |
Throttle Inlet Absolute Pressure Sensor Signal |
| 10 |
0.5 YE/WH |
1161 |
Accelerator Pedal Position Signal (1) |
| 11 |
0.5 L-GN |
7330 |
Pre Throttle Air Temp and Press (TMAP) Air Pressure Signal |
| 12 |
0.5 L-GN |
380 |
A/C Refrigerant Pressure Sensor Signal |
| 13 |
0.5 BK/BN |
5514 |
Low Reference |
| 14-15 |
- |
- |
Not Used |
| 16 |
0.5 BN/RD |
1274 |
5 Volt Reference |
| 17 |
- |
- |
Not Used |
| 18 |
0.5 BU |
5985 |
Accessory Wakeup Serial Data |
| 19 |
0.75 VT/D-BU |
139 |
Run/Crank Ignition 1 Voltage |
| 20 |
0.75 RD/WH |
140 |
Battery Positive Voltage |
| 21-22 |
- |
- |
Not Used |
| 23 |
0.5 WH/RD |
3201 |
5 Volt Reference |
| 24 |
0.5 BN/RD |
1164 |
5 Volt Reference |
| 25 |
0.5 BN/RD |
7331 |
5 Volt Reference |
| 26 |
0.5 BN/RD |
2700 |
5 Volt Reference |
| 27 |
0.5 YE/BK |
625 |
Starter Enable Relay Control |
| 28 |
0.5 L-GN/GY |
465 |
Fuel Pump Primary Relay Control |
| 29 |
0.5 L-BU |
2500 |
High Speed GMLAN Serial Data (+) (1) |
| 30 |
0.5 BN/VT |
1272 |
Low Reference |
| 31 |
0.5 BK/VT |
2760 |
Low Reference |
| 32 |
BK/L-BU |
6813 |
Low Reference |
| 33 |
0.5 WH/D-BU |
6311 |
Cruise/ETC/TCC Brake Signal |
| 34 |
0.5 L-GN |
275 |
Park Neutral Position Switch Park Signal (MH8) |
| 35-36 |
- |
- |
Not Used |
| 37 |
0.5 BK/YE |
6014 |
Low Reference |
| 38 |
0.5 BK/VT |
1271 |
Low Reference |
| 39 |
0.5 BK/L-GN |
7332 |
Low Reference |
| 40 |
0.5 YE |
5991 |
Powertrain Relay Coil Control |
| 41 |
0.5 L-GN/VT |
335 |
Low Speed Cooling Fan Relay Control |
| 42 |
- |
- |
Not Used |
| 43 |
0.5 WH |
2501 |
High Speed GMLAN Serial Data (-) (1) |
| 44 |
- |
- |
Not Used |
| 45 |
0.5 BN/VT |
472 |
Intake Air Temperature Sensor Signal |
| 46 |
0.5 YE/BK |
3000 |
Coolant Temperature Sensor #2 Signal |
| 47 |
0.5 L-BU/WH |
25 |
Charge Indicator Control |
| 48-51 |
- |
- |
Not Used |
| 52 |
0.5 BN/WH |
419 |
Check Engine Indicator Control |
| 53 |
- |
- |
Not Used |
| 54 |
0.5 BN/YE |
473 |
High Speed Cooling Fan Relay Control |
| 55 |
- |
- |
Not Used |
| 56 |
0.5 WH |
1310 |
EVAP Canister Vent Solenoid Control |