K20 Engine Control Module X2 (LYX+E88-NTM)
WARNING: This page is about a different car, the 2021 GMC Terrain and 2021 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 Harness
- OEM Connector: 12672838
- Service Connector: Not Available
- Description: 49 -Way F 0.64, 2.8 Series, Sealed (BK with BK Terminal Position Assurance)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
19354746 |
J-35616-64B (LT BU) |
J-38125-213 |
| II |
Pending |
J-35616-35 (VT) |
J-38125-11A |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
0.5 |
GY / WH |
3122 |
HO2S Heater Low Control Bank 1 Sensor 2 |
I |
- |
| 2 |
- |
- |
- |
Not Occupied |
- |
- |
| 3 |
0.5 |
YE / VT |
6030 |
Brake Vacuum Sensor Signal |
I |
(LYX)+(E88) |
| 4 - 6 |
- |
- |
- |
Not Occupied |
- |
- |
| 7 |
0.5 |
GN / VT |
4621 |
Engine Control Module LIN Bus 1 |
I |
- |
| 8 |
0.5 |
BN / GY |
4008 |
Humidity Sensor Signal |
I |
(LYX)+(E88) |
| 9 - 10 |
- |
- |
- |
Not Occupied |
- |
- |
| 11 |
0.5 |
GY / WH |
3113 |
HO2S Heater Low Control Bank 1 Sensor 1 |
I |
(LYX)+(E88) |
| 12 - 13 |
- |
- |
- |
Not Occupied |
- |
- |
| 14 |
0.5 |
WH / VT |
4108 |
Driver Mode Switch Signal |
I |
(LYX)+(E88) |
| 15 - 20 |
- |
- |
- |
Not Occupied |
- |
- |
| 21 |
0.5 |
GN |
3060 |
Turbocharger Bypass Solenoid Valve Control Bank 1 |
I |
(LYX)+(E88) |
| 22 |
- |
- |
- |
Not Occupied |
- |
- |
| 23 |
0.5 |
BU |
179 |
Engine Oil Pump Control |
I |
- |
| 24 |
0.5 |
WH / RD |
480 |
Engine Control Vehicle Sensors 5 Volt Reference 1 |
I |
(LYX)+(E88) |
| 25 |
0.5 |
WH / YE |
3121 |
HO2S Low Signal Bank 1 Sensor 2 |
I |
- |
| 26 |
0.5 |
WH / BK |
3111 |
HO2S Low Signal Bank 1 Sensor 1 |
I |
(LYX)+(E88) |
| 27 |
- |
- |
- |
Not Occupied |
- |
- |
| 28 |
0.5 |
BK / GY |
2303 |
Knock Sensor Low Reference 2 |
I |
(LYX)+(E88) |
| 29 |
0.5 |
BK / YE |
1716 |
Knock Sensor Low Reference 1 |
I |
(LYX)+(E88) |
| 30 |
- |
- |
- |
Not Occupied |
- |
- |
| 31 |
0.5 |
VT / BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
I |
(LYX)+(E88) |
| 32 |
0.5 |
BK / YE |
548 |
Engine Control Sensors Low Reference 1 |
I |
(LYX)+(E88) |
| 33 |
0.5 |
GY / BK |
3865 |
Auxiliary Heater Coolant Pump Relay Control |
I |
(LYX)+(MAH/MBC/MCX)+(E88) |
| 34 |
0.5 |
BN / WH |
582 |
Throttle Actuator Close Control |
I |
(LYX)+(E88) |
| 35 |
0.5 |
BN / YE |
258 |
Turbocharger Wastegate Solenoid Valve Control |
I |
(LYX)+(E88) |
| 36 - 37 |
- |
- |
- |
Not Occupied |
- |
- |
| 38 |
0.5 |
BU / RD |
460 |
Engine Control Sensors 5 Volt Reference 1 |
I |
(LYX)+(E88) |
| 39 |
0.5 |
VT / BU |
3120 |
HO2S High Signal Bank 1 Sensor 2 |
I |
- |
| 40 |
0.5 |
VT / GY |
3110 |
HO2S High Signal Bank 1 Sensor 1 |
I |
(LYX)+(E88) |
| 41 |
- |
- |
- |
Not Occupied |
- |
- |
| 42 |
0.5 |
WH / GY |
1876 |
Knock Sensor 2 Signal |
I |
(LYX)+(E88) |
| 43 |
0.5 |
VT / GY |
496 |
Knock Sensor 1 Signal |
I |
(LYX)+(E88) |
| 44 |
0.5 |
YE |
3054 |
Turbocharger Intake Pressure Sensor Signal Bank 1 |
I |
(LYX)+(E88) |
| 45 |
- |
- |
- |
Not Occupied |
- |
- |
| 46 |
0.5 |
WH / BU |
7329 |
Pre-Throttle Air Temperature Signal |
I |
(LYX)+(E88) |
| 47 |
- |
- |
- |
Not Occupied |
- |
- |
| 48 |
0.5 |
YE |
581 |
Throttle Actuator Open Control |
I |
(LYX)+(E88) |
| 49 |
2 |
BK / WH |
151 |
Signal Ground |
II |
(LYX)+(E88) |