Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - K20 TO K36 (X1)COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X3
2013 Buick Regal Turbo Premium, Standard Trans
K33 HVAC Control Module X3
2013 Buick Regal Turbo Premium, Standard TransSECTION K33 HVAC Control Module X3
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575845 | J-35616-64B (L-BU) | J-38125-215A | Not Available | P | P | |
| II | Service by Harness - See Part Catalog | J-35616-64B (L-BU) | J-38125-215A | SAIT-A03T-M064 | 14 | P | P |
K33 HVAC Control Module X3
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.35 0.35 |
GY/GN GY/D-GN |
516 516 |
Upper Left Air Temperature Sensor Signal (CJ2) Upper Left Air Temperature Sensor Signal (CJ2) |
I | except CZ2 CZ2 |
| 2 | 0.35 0.35 |
YE YE |
3165 3167 |
Mode Door Stepper Motor Control (1) Mode Door Stepper Motor Control (3) |
I | except CZ2 CZ2 |
| 3 | 0.35 0.35 |
WH/RD WH/RD |
3166 3165 |
Mode Door Stepper Motor Control (2) Mode Door Stepper Motor Control (1) |
I | except CZ2 CZ2 |
| 4 | 0.35 0.35 |
GY/BN GY/BN |
3167 3168 |
Mode Door Stepper Motor Control (3) Mode Door Stepper Motor Control (4) |
I | except CZ2 CZ2 |
| 5 | 0.35 0.35 |
D-GN/WH D-GN/WH |
3168 3166 |
Mode Door Stepper Motor Control (4) Mode Door Stepper Motor Control (2) |
I | except CZ2 CZ2 |
| 6-8 | - | - | - | Not Occupied | - | - |
| 9 | 0.35 | BK | 407 | Sensor Low Reference | I | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | 0.35 | D-GN | 3169 | Temp Door Stepper Motor Control (1) | I | - |
| 12 | 0.35 | WH/RD | 3170 | Temp Door Stepper Motor Control (2) | I | - |
| 13 | 0.35 | GY/RD | 3171 | Temp Door Stepper Motor Control (3) | I | - |
| 14 | 0.35 | RD/BK | 3172 | Temp Door Stepper Motor Control (4) | I | - |
| 15 | 0.75 0.35 |
OG RD/BK |
7572 7572 |
HVAC Motor Supply Voltage HVAC Motor Supply Voltage |
II | except CZ2 CZ2 |
| 16 | 0.35 | GY | 3173 | Air Inlet Door Stepper Motor Control (1) | I | - |
| 17 | 0.35 | D-BU/WH | 3174 | Air Inlet Door Stepper Motor Control (2) | I | - |
| 18 | 0.35 | BN/D-GN | 3175 | Air Inlet Door Stepper Motor Control (3) | I | - |
| 19 | 0.35 | RD/D-GN | 3176 | Air Inlet Door Stepper Motor Control (4) | I | - |
| 20 | 0.35 | BK/GY | 6137 | EVAP Core Temperature Sensor Signal | I | - |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.