Scan Tool Data List
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 |