K33 HVAC Control Module X3
WARNING: This page is about a different car, the 2022 Buick Encore. 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: Heater Control Vacuum Harness
- OEM Connector: 31410-1200
- Service Connector: Service by Harness - See Part Catalog
- Description: 20-Way F 0.64 Series (BK)
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Terminal Part Information
| Terminal Type ID |
Terminated Lead |
Diagnostic Test Probe |
Terminal Removal Tool |
| I |
Not Available |
No Tool Required |
Not Available |
| Pin |
Size |
Color |
Circuit |
Function |
Terminal Type ID |
Option |
| 1 |
- |
- |
- |
Not Occupied |
- |
- |
| 2 |
- |
YE |
6A |
Mode Door Control A |
I |
- |
| 3 |
- |
WH / RD |
6B |
Mode Door Control B |
I |
- |
| 4 |
- |
GY / BN |
6C |
Mode Door Control C |
I |
- |
| 5 |
- |
GN / WH |
6D |
Mode Door Control D |
I |
- |
| 6 - 8 |
- |
- |
- |
Not Occupied |
- |
- |
| 9 |
- |
BK |
7G |
Sensor Ground |
I |
- |
| 10 |
- |
- |
- |
Not Occupied |
- |
- |
| 11 |
- |
WH / BK |
3169 |
Air Temperature Door Actuator Control 1 |
I |
- |
| 12 |
- |
WH / PK |
5B |
Air Temperature Door Control B |
I |
- |
| 13 |
- |
GY / RD |
5C |
Air Temperature Door Control C |
I |
- |
| 14 |
- |
RD / BK |
5D |
Air Temperature Door Control D |
I |
- |
| 15 |
- |
OG |
3D |
5 Volt Reference |
I |
- |
| 16 |
- |
GY |
2A |
Recirculation Door Control A |
I |
- |
| 17 |
- |
BU / WH |
2B |
Recirculation Door Control B |
I |
- |
| 18 |
- |
BN / GN |
2C |
Recirculation Door Control C |
I |
- |
| 19 |
- |
RD / GN |
2D |
Recirculation Door Control D |
I |
- |
| 20 |
- |
BK / GY |
13A |
A/C Evaporator Temperature Sensor Sense |
I |
- |