K20 Engine Control Module X3 (LWN)
WARNING: This page is about a different car, the 2017 GMC Canyon and 2017 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
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Connector Part Information
- Harness Type: Engine
- OEM Connector: 34576-0703
- Service Connector: 88988373
- Description: 56-Way F 0.64 Series, Sealed (BU with BU Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
Service Terminal |
Tray Name |
Core Crimp |
Insulation Crimp |
| I |
19301532 |
J-35616-64B (LT BU) |
J-38125-213 |
Not Available |
Not Available |
Not Available |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
BN/WH |
3100 |
DEF Dosing Valve Low Control |
I |
- |
| 2 |
- |
- |
- |
Not Occupied |
- |
- |
| 3 |
0.5 |
BK/L-GN |
6281 |
Fuel Level Sensor Low Reference |
I |
- |
| 4 - 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.5 |
YE/WH |
3200 |
Throttle Inlet Absolute Pressure Sensor Signal |
I |
- |
| 7 |
0.5 |
WH/RD |
3201 |
Throttle Inlet Absolute Pressure Sensor 5V Reference |
I |
- |
| 8 |
0.5 |
BK/L-BU |
61 |
Outside Ambient Temperature Sensor Low Reference |
I |
- |
| 9 |
0.5 |
BK/VT |
3661 |
Exhaust Gas Temperature Sensor 5 Low Reference |
I |
- |
| 10 |
0.5 |
BK/L-BU |
6274 |
Exhaust Gas Recirculation Temperature Sensor Low Reference |
I |
- |
| 11 |
0.5 |
BK/GY |
3659 |
Exhaust Gas Temperature Sensor 4 Low Reference |
I |
- |
| 12 |
0.5 |
BK/L-GN |
3657 |
Exhaust Gas Temperature Sensor 3 Low Reference |
I |
- |
| 13 |
0.5 |
BK/L-BU |
6783 |
Exhaust Gas Temperature Sensor 2 Low Reference |
I |
- |
| 14 |
0.5 |
L-BU/WH |
5277 |
Exhaust Gas Temperature Sensor 1 |
I |
- |
| 15 |
0.5 |
BN |
3099 |
DEF Dosing Valve High Control |
I |
- |
| 16 - 17 |
- |
- |
- |
Not Occupied |
- |
- |
| 18 |
0.5 |
L-BU/VT |
1589 |
Primary Fuel Level Sensor Signal |
I |
- |
| 19 |
0.5 |
BK/YE |
6275 |
Exhaust Gas Recirculation Temperature Sensor 2 Low Reference |
I |
- |
| 20 |
0.5 |
YE/L-GN |
3236 |
Exhaust Gas Recirculation Temperature Sensor 2 Signal |
I |
- |
| 21 |
0.5 |
GY/RD |
5928 |
Variable Nozzle Turbo Position Sensor 5V Reference |
I |
- |
| 22 |
0.5 |
L-BU/GY |
636 |
Outside Ambient Air Temperature Sensor Signal |
I |
- |
| 23 |
0.5 |
L-BU/GY |
3660 |
Exhaust Gas Temperature Sensor 5 Signal |
I |
- |
| 24 |
0.5 |
WH/BN |
3237 |
Exhaust Gas Recirculation Temperature Sensor Signal |
I |
- |
| 25 |
0.5 |
VT/BN |
3658 |
Exhaust Gas Temperature Sensor 4 Signal |
I |
- |
| 26 |
0.5 |
GY/L-GN |
5378 |
Exhaust Gas Temperature Sensor 3 |
I |
- |
| 27 |
0.5 |
BK/BN |
6782 |
Exhaust Gas Temperature Sensor 1 Low Reference |
I |
- |
| 28 |
0.5 |
L-BU/L-GN |
5377 |
Exhaust Gas Temperature Sensor 2 |
I |
- |
| 29 |
- |
- |
- |
Not Occupied |
- |
- |
| 30 |
0.5 |
YE/L-BU |
1497 |
Crankcase Ventilation (Blowby) Heater Control Signal |
I |
- |
| 31 |
- |
- |
- |
Not Occupied |
- |
- |
| 32 |
0.5 |
BN/GY |
4008 |
Humidity Sensor Signal |
I |
- |
| 33 |
0.5 |
BK/BN |
5929 |
Variable Nozzle Turbo Position Sensor Low Reference |
I |
- |
| 34 - 42 |
- |
- |
- |
Not Occupied |
- |
- |
| 43 |
0.5 |
L-GN/L-BU |
3889 |
DEF Power Module Relay Control |
I |
- |
| 44 |
- |
- |
- |
Not Occupied |
- |
- |
| 45 |
0.5 |
L-BU |
3017 |
Fuel Heater Relay Control 1 |
I |
- |
| 46 |
0.5 |
VT/YE |
5947 |
Variable Nozzle Turbo Position Sensor Signal |
I |
- |
| 47 - 49 |
- |
- |
- |
Not Occupied |
- |
- |
| 50 |
0.5 |
WH/RD |
6054 |
Exhaust Pressure Sensor 5V Reference 1 |
I |
- |
| 51 |
0.5 |
L-BU |
6053 |
Exhaust Pressure Sensor Signal 1 |
I |
- |
| 52 |
0.5 |
BK/YE |
6055 |
Exhaust Pressure Sensor Low Reference 1 |
I |
- |
| 53 - 56 |
- |
- |
- |
Not Occupied |
- |
- |