Scan Tool Data List
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 Data List
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Engine Idling, A/C ON, Ambient Air Temperature Between 22-27°C (70-80°F) | |||
| A/C Request | HVAC | Yes/No | Varies |
| Recirculation Dr. Position | HVAC | Counts | Varies |
| Recirculation Dr. Motor Command | HVAC | Counts | Varies |
| Mode Dr. Position | HVAC | Counts | Varies |
| Mode Dr. Motor Command | HVAC | Counts | Varies |
| Defrost Dr. Position | HVAC | Counts | Varies |
| Defrost Dr. Motor Command | HVAC | Counts | Varies |
| Driver Temp. Dr. Position | HVAC | Counts | Varies |
| Driver Temp. Dr. Motor Command | HVAC | Counts | Varies |
| Psgr. Temp. Dr. Position | HVAC | Counts | Varies |
| Psgr. Temp. Dr. Motor Command | HVAC | Counts | Varies |
| Aux. Mode Dr. Position | HVAC | Counts | Varies |
| Aux. Mode Dr. Motor Command | HVAC | Counts | Varies |
| Aux. Temp. Dr. Position | HVAC | Counts | Varies |
| Aux. Temp. Dr. Motor Command | HVAC | Counts | Varies |
| Evaporator Temp. Sensor | HVAC | °C/°F | Varies |
| Evaporator Temp. Sensor | HVAC | Counts | Varies |
| Mode Status | HVAC | Recirc/Vent/Mix-Blend/Floor/Bi-Level/Defrost | Varies |
| A/C LED | HVAC | On/Off | Varies |
| Rear Defrost LED | HVAC | On/Off | Varies |
| Driver Heated Seat Status | HVAC | Off/Low Heat/High Heat | Varies |
| Passenger Heated Seat Status | HVAC | Off/Low Heat/High Heat | Varies |
| Blower Motor Switch Position | HVAC | Off/On but not High Blower/On and High Blower | Varies |
| Aux. Blower Motor Speed Command | HVAC | Counts | Varies |
| Aux. Blower Motor Switch Position | HVAC | Aux/Off/1/2/3/4 | Varies |
| Aux. Blower Motor Speed | HVAC | Counts | Varies |
PCM Scan Tool Data List 3.5L (LX9)/ECM 3.9L (LZ9)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Engine Idling, A/C ON, Ambient Air Temperature Between 22-27°C (70-80°F) | |||
| A/C Disengage Reason | HVAC | None/WOT/System Voltage/CKP Learn Active/Engine Run Time/Coolant Hot/Stall Prevention/A/C Pressure/Engine Speed/Trans Engine Speed/A/C Pressure Sensor/Low Voltage/High Voltage/Outside Air Temp/Switched OFF | Varies |
| A/C Off for WOT | HVAC | Yes/No | Varies |
| A/C Pressure Disable | HVAC | Yes/No | Varies |
| A/C High Side Pressure | HVAC | kPa/Psi | Varies |
| A/C High Side Pressure | HVAC | Volts | Varies |
| A/C Relay Command | HVAC | On/Off | Varies |
| A/C Relay Circuit History | HVAC | OK/Open/Short/Invalid State | Varies |
| A/C Request Signal | HVAC | Yes/No | Varies |