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 MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 439 (HVAC SYSTEMS - MANUAL)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL OUTPUT CONTROLS
2006 Pontiac G6 GTP, 2D Coupe, Standard
Scan Tool Output Controls
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Scan Tool Output Controls
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| A/C Request | Output Control | The HVAC control module sends out a A/C request signal to turn on the A/C compressor when you select ON. The request signal should stay active until commanded OFF. |
| Blower Motor | Output Control | The HVAC control module commands the blower motor Off, Low or High. |
| Defrost Door | Output Control | The HVAC control module commands the Defrost actuator towards 255 counts when you select ON. The HVAC control module commands the Defrost actuator towards 0 counts when commanded OFF. |
| Mode Door | Output Control | The HVAC control module commands the Mode actuator towards 255 counts when you select ON. The HVAC control module commands the Mode actuator towards 0 counts when commanded OFF. |
| Driver Air Temperature Door | Output Control | The HVAC control module commands the left air temperature actuator towards 255 counts when you select ON. The HVAC control module commands the left air temperature actuator towards 0 counts when commanded OFF. |
| Passenger Air Temperature Door | Output Control | The HVAC control module commands the right air temperature actuator towards 255 counts when you select ON. The HVAC control module commands the right air temperature actuator towards 0 counts when commanded OFF. |
| Recirculation Door | Output Control | The HVAC control module commands the recirculation actuator towards 0 counts when you select ON. The HVAC control module commands the recirculation actuator towards 255 counts when you select OFF. |
| Aux. Air Temperature Door | Output Control | The HVAC control module commands the auxiliary air temperature actuator towards 255 counts when you select ON. The HVAC control module commands the auxiliary air temperature actuator towards 0 counts when commanded OFF. |
| Aux. Mode Door | Output Control | The HVAC control module commands the auxiliary Mode actuator towards 255 counts when you select ON. The HVAC control module commands the auxiliary Mode actuator towards 0 counts when commanded OFF. |
| Recalibrate Motors | Output Control | The scan tool displays Commanded State: None or On. This functions commands all actuators to their fully opened and fully closed positions and relearns these endpoints. |
| Rear Defrost Request | Output Control | The HVAC control module sends out a Rear Defrost Request signal to turn on the Rear Defrost when you select ON. |
| A/C Switch LED | Output Control | The scan tool displays Commanded State: On or Off. This functions commands the A/C LED On or Off. |
| Rear Defrost LED | Output Control | The scan tool displays Commanded State: On or Off. This functions commands the Rear Defrost LED On or Off. |
| All LEDs On | Output Control | The scan tool displays Commanded State: On or Off. This functions commands all LEDs On or Off. |
| Blower Motor Speed control | Output Control | The scan tool displays Commanded State: Off, On Not Set High or On and Set High. |
| Aux. Blower Motor Speed | Output Control | This functions commands Auxiliary Blower Motor On or Off. |
| Driver Heated Seat LED | Output Control | The scan tool displays Commanded State: On or Off. This functions commands the Driver Heated Seat LED On or Off. |
| Passenger Heated Seat LED | Output Control | The scan tool displays Commanded State: On or Off. This functions commands the Passenger Heated Seat LED On or Off. |
| Driver Heated Seat Request | Output Control | The scan tool displays Commanded State: High, Low or Off. This functions commands the Driver Heated Seat. |
| Passenger Heated Seat Request | Output Control | The scan tool displays Commanded State: High, Low or Off. This functions commands the Passenger Heated Seat. |
PCM 3.5L (LX9)/ECM 3.9L (LZ9) Scan Tool Output Controls
| Scan Tool Output Control | Additional Menu Selection(s) | Description |
|---|---|---|
| A/C Relay | Engine Output Controls | The powertrain control module (PCM) or engine control module (ECM) energizes the A/C compressor clutch relay when you select ON. The A/C compressor clutch should remain engaged until commanded OFF. |
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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.