K20 Engine Control Module X3 (LT4)
WARNING: This page is about a different car, the 2022 Cadillac CT5. 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: 35509404
- Service Connector: 19366869
- 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 |
13587518 |
J-35616-35 (VT) |
J-38125-11A |
| II |
19351723 |
J-35616-64B (L-BU) |
J-38125-213 |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 - 4 |
- |
- |
- |
Not Occupied |
- |
- |
| 5 |
0.5 |
GN |
6935 |
HO2S Pump Current Trim Signal |
II |
- |
| 6 |
0.5 |
BN/WH |
6933 |
HO2S Pump Current Signal |
II |
- |
| 7 |
0.5 |
BN |
6934 |
HO2S Ground |
II |
- |
| 8 |
0.5 |
YE/GY |
6936 |
HO2S Signal |
II |
- |
| 9 - 14 |
- |
- |
- |
Not Occupied |
- |
- |
| 15 |
0.5 |
BU |
2572 |
Heated Oxygen Sensor 2 Current Adjust Signal |
II |
- |
| 16 |
0.5 |
YE/WH |
2570 |
Heated Oxygen Sensor 2 Pump Current Signal |
II |
- |
| 17 |
0.5 |
WH |
2571 |
Heated Oxygen Sensor 2 Common Bank 2 Sensor 1 Signal |
II |
- |
| 18 |
0.5 |
BN/GY |
2573 |
Heated Oxygen Sensor 2 Collector Signal |
II |
- |
| 19 - 22 |
- |
- |
- |
Not Occupied |
- |
- |
| 23 |
0.5 |
WH/BU |
7329 |
Pre-Throttle Air Temperature Signal |
II |
- |
| 24 - 31 |
- |
- |
- |
Not Occupied |
- |
- |
| 32 |
0.5 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
- |
| 33 |
0.5 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
- |
| 34 |
0.5 |
VT/BU |
5294 |
Powertrain Main Relay Fused Supply Voltage 5 |
II |
- |
| 35 - 36 |
- |
- |
- |
Not Occupied |
- |
- |
| 37 |
0.5 |
BN/BU |
357 |
Oil Temperature Sensor Signal |
II |
- |
| 38 - 48 |
- |
- |
- |
Not Occupied |
- |
- |
| 49 |
2 |
VT/BU |
5290 |
Powertrain Main Relay Fused Supply Voltage 1 |
I |
- |