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 MANUALSCHEVROLET2010MALIBU LT, 3.6 7REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 948 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E29RF THROUGH K33)COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X3
2010 Chevrolet Malibu LT, 3.6 7
K33 HVAC Control Module X3
2010 Chevrolet Malibu LT, 3.6 7SECTION K33 HVAC Control Module X3
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
K33 HVAC Control Module X3
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 TN | 516 | Upper Left Air Temperature Sensor Signal |
| 2 | 0.35 GY | 3165 | Mode Door Stepper Motor Control (1) |
| 3 | 0.35 D-GN | 3166 | Mode Door Stepper Motor Control (2) |
| 4 | 0.35 D-BU | 3167 | Mode Door Stepper Motor Control (3) |
| 5 | 0.35 BN | 3168 | Mode Door Stepper Motor Control (4) |
| 6-8 | - | - | Not Used |
| 9 | 0.35 TN | 407 | Low Reference |
| 10 | - | - | Not Used |
| 11 | 0.35 TN/BK | 3169 | Temp Door Stepper Motor Control (1) |
| 12 | 0.35 PU | 3170 | Temp Door Stepper Motor Control (2) |
| 13 | 0.35 L-GN | 3171 | Temp Door Stepper Motor Control (3) |
| 14 | 0.35 L-BU | 3172 | Temp Door Stepper Motor Control (4) |
| 15 | 0.8 OG | 7572 | HVAC Motor Supply Voltage |
| 16 | 0.35 D-BU/WH | 3173 | Air Inlet Door Stepper Motor Control (1) |
| 17 | 0.35 BN/WH | 3174 | Air Inlet Door Stepper Motor Control (2) |
| 18 | 0.35 YE | 3175 | Air Inlet Door Stepper Motor Control (3) |
| 19 | 0.35 WH | 3176 | Air Inlet Door Stepper Motor Control (4) |
| 20 | 0.35 GY | 6137 | EVAP Core Temperature Sensor Signal |
Connector Part Information
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Terminal Part Information
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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.