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 363 (HVAC SYSTEMS - MANUAL)COMPONENT LOCATORHVAC CONNECTORSHVAC CONTROL MODULE C2 (C67)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
HVAC Control Module C2 (C67)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION HVAC Control Module C2 (C67)
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Connector End Views
Connector Part Information
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Terminal Part Information
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HVAC Control Module C2 (C67)
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| 1-3 | - | - | Not Used |
| 4 | GY/BK | 754 | Blower Motor Speed Control |
| 5 | L-GN | 2275 | Mode Door Position Signal |
| 6 | - | - | Not Used |
| 7 | PK/WH | 1648 | Recirculation Door Control A |
| 8 | D-BU | 1646 | Auxiliary Air Temperature Door Position Signal |
| 9-14 | - | - | Not Used |
| 15 | TN | 2273 | Mode Door Control |
| 16 | - | - | Not Used |
| 17 | L-GN/BK | 1647 | Recirculation Door Control B |
| 18 | WH/BK | 1236 | Auxiliary Air Temperature Door Control |
| 19-20 | - | - | Not Used |
| 1-2 | - | - | Not Used |
| 3 | WH/BK | 1236 | Auxiliary Air Temperature Door Control |
| 4 | D-BU | 1646 | Auxiliary Air Temperature Door Position Signal |
| 5 | L-GN/BK | 1647 | Recirculation Door Control B |
| 6 | PK/WH | 1648 | Recirculation Door Control A |
| 7 | GY/BK | 754 | Blower Motor Speed Control |
| 8 | TN | 2273 | Mode Door Control |
| 9 | L-GN | 2275 | Mode Door Position Signal |
| 10-16 | - | - | Not Used |
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.