K20 Engine Control Module X3 (LYX-NUG)
WARNING: This page is about a different car, the 2022 GMC Terrain and 2022 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of GENERAL MOTORS COMPANY
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Connector Part Information
- Harness Type:Engine Wiring Harness
- OEM Connector: 12672862
- Service Connector: 19333091
- Description: 73 -Way F 0.64, 2.8 Series, Sealed (BK with GY Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
13587518 |
J-35616-35 (VT) |
J-38125-11A |
| II |
19354746 |
J-35616-64B (LT BU) |
J-38125-215A |
| III |
Not required |
Not Available |
No Tool Required |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 - 2 |
- |
- |
- |
Not Occupied |
- |
- |
| 3 |
0.5 |
VT / GN |
3889 |
Powertrain Sensor Bus Relay Control |
II |
LYX-NUG |
| 4 |
0.5 |
GN / BU |
428 |
EVAP Canister Purge Solenoid Control |
II |
LYX-NUG |
| 5 |
- |
- |
- |
Not Occupied |
- |
- |
| 6 |
0.5 |
BN / RD |
2917 |
Fuel Rail Pressure Sensor 5V Reference |
II |
LYX-NUG |
| 7 - 13 |
- |
- |
- |
Not Occupied |
- |
- |
| 14 |
0.5 |
WH / RD |
3201 |
Throttle Inlet Absolute Pressure Sensor 5V Reference |
II |
LYX-NUG |
| 15 |
0.5 |
YE / RD |
6031 |
Brake Vacuum Sensor 5V Reference |
II |
LYX+KL9-NUG |
| 16 |
0.5 |
VT / BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
LYX-NUG |
| 17 |
0.5 |
WH / GY |
4578 |
Surge Accumulator Solenoid Valve Low Side Control |
II |
KL9+LYX-M3D-M3H-M3U-NUG |
| 18 |
0.5 |
BN |
25 |
Charge Indicator Control |
II |
LYX-NUG |
| 19 |
0.5 |
GY |
23 |
Generator Field Duty Cycle Signal |
II |
LYX-NUG |
| 20 |
0.5 |
BK / GN |
580 |
Engine Control Sensors Low Reference 2 |
II |
LYX-NUG |
| 21 |
0.5 |
BU / WH |
2918 |
Fuel Rail Pressure Sensor Signal |
II |
LYX-NUG |
| 22 |
0.5 |
BK / GN |
2919 |
Fuel Rail Pressure Sensor Low Reference |
II |
LYX-NUG |
| 23 - 29 |
- |
- |
- |
Not Occupied |
- |
- |
| 30 |
0.5 |
WH / YE |
3202 |
Throttle Inlet Absolute Pressure Sensor 5V Reference |
II |
LYX-NUG |
| 31 - 32 |
- |
- |
- |
Not Occupied |
- |
- |
| 33 |
0.5 |
YE / GN |
4321 |
Camshaft Position Actuator Park Lock Control |
II |
LYX-NUG |
| 34 - 39 |
- |
- |
- |
Not Occupied |
- |
- |
| 40 |
0.5 |
VT / BU |
7330 |
Turbocharger Inlet Absolute Pressure Sensor Signal 2 |
II |
LYX-NUG |
| 41 - 42 |
- |
- |
- |
Not Occupied |
- |
- |
| 43 |
0.5 |
BU / VT |
1589 |
Primary Fuel Level Sensor Signal |
III |
LYX-NUG |
| 44 |
0.5 |
BU / WH |
1937 |
Secondary Fuel Level Sensor Signal |
III |
LYX+F48-NUG |
| 45 |
- |
- |
- |
Not Occupied |
- |
- |
| 46 |
0.5 |
YE / WH |
3200 |
Throttle Inlet Absolute Pressure Sensor Signal |
II |
LYX-NUG |
| 47 |
0.5 |
WH / BU |
7329 |
Pre-Throttle Air Temperature Signal |
II |
LYX-NUG |
| 48 |
0.5 |
YE |
3054 |
Turbocharger Intake Pressure Sensor Signal Bank 1 |
II |
LYX-NUG |
| 49 - 51 |
- |
- |
- |
Not Occupied |
- |
- |
| 52 |
0.5 |
VT / BK |
7300 |
High Pressure Fuel Pump Low Control |
II |
LYX-NUG |
| 53 - 54 |
- |
- |
- |
Not Occupied |
- |
- |
| 55 |
0.5 |
GN / VT |
4621 |
Engine Control Module LIN Bus 1 |
II |
LYX-NUG |
| 56 - 58 |
- |
- |
- |
Not Occupied |
- |
- |
| 59 |
0.5 |
BK / GY |
2303 |
Knock Sensor Low Reference 2 |
II |
LYX-NUG |
| 60 |
0.5 |
WH / GY |
1876 |
Knock Sensor 2 Signal |
II |
LYX-NUG |
| 61 |
0.5 |
BK / YE |
1716 |
Knock Sensor Low Reference 1 |
II |
LYX-NUG |
| 62 |
0.5 |
VT / GY |
496 |
Knock Sensor 1 Signal |
II |
LYX-NUG |
| 63 - 71 |
- |
- |
- |
Not Occupied |
- |
- |
| 72 |
0.5 |
YE |
7301 |
High Pressure Fuel Pump High Control |
II |
LYX-NUG |
| 73 |
2 |
BK / WH |
151 |
Signal Ground |
I |
LYX-NUG |