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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 886 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E THROUGH H)COMPONENT CONNECTOR END VIEWS - E THROUGH HHVAC CONTROL MODULE X1
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
HVAC Control Module X1
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION HVAC Control Module X1
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module X1
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 L-GN | 2275 | Mode Door Position Signal |
| 2-3 | - | - | Not Used |
| 4 | 0.35 L-BU/BK | 1688 | 5-Volt Reference 2 |
| 5 | 0.35 L-GN/BK | 1647 | Open Recirculation Door Control - B |
| 6 | 0.35 PK/WH | 1648 | Close Recirculation Door Control - A |
| 7 | 0.5 PK | 339 | Ignition Voltage |
| 8 | 0.5 PK | 339 | Ignition Voltage |
| 9 | 0.35 D-BU | 1646 | Auxiliary Air Temperature Door Position Signal |
| 10 | - | - | Not Used |
| 11 | 0.35 D-GN | 71 | Blower Motor Control - Off |
| 12 | 0.35 L-BU/BK | 1688 | 5-Volt Reference 2 |
| 13 | 0.35 WH/BK | 1236 | Auxiliary Air Temperature Door Control |
| 14 | 0.35 TN | 2273 | Mode Door Control |
| 15 | 0.35 BK/WH | 550 | Ground |
| 16 | 0.35 BK/WH | 550 | Ground |
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.