Scan Tool Data List
WARNING: This page is about a different car, the 2007 Cadillac DTS. 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 Evap. Temperature Sensor | HVAC Sensors | °C/°F | Varies |
| A/C High Side Pressure Sensor | HVAC Sensors | kPa/psi | Varies |
| Ambient Air Temp. Sensor | HVAC Sensors, HVAC System Data, Open/Short Data | °C/°F | Varies |
| Aux. Mode Door Actual | HVAC Door Positions | Counts | Varies |
| Aux. Mode Door Command | HVAC Door Positions | Counts | Varies |
| Aux. Temp Dr. Position | HVAC Door Positions | Counts | Varies |
| Aux. Temp Dr. Motor Command | HVAC Door Positions | Counts | Varies |
| Blower Motor Relay Cmd. | HVAC System Data | On/Off | On |
| Blower Motor Speed command | HVAC System Data | % | Varies |
| Coolant Temperature | HVAC Sensors, HVAC System Data | °C/°F | Varies |
| Driver Temp. Dr. Motor Commanded | HVAC Door Positions | Counts | Varies |
| Driver Temp. Dr. Position | HVAC Door Positions | Counts | Varies |
| Inside Air Temp. Sensor | HVAC Sensors, HVAC System Data, Open/Short Data | °C/°F | Varies |
| Left Sunload Sensor | HVAC Sensors, Open/Short Data | Counts | Varies |
| Mode Dr. Motor Command | HVAC Door Positions | Counts | Varies |
| Mode Door Position | HVAC Door Positions | Counts | Varies |
| Psgr. Temp. Dr. Motor Command | HVAC Door Positions | Counts | Varies |
| Psgr. Temp. Dr. Position | HVAC Door Positions | Counts | Varies |
| Rear Defrost State | HVAC System Data | On/Off | Off |
| Recirculation Dr. Motor Command | HVAC Door Positions | Counts | Varies |
| Recirculation Dr. Position | HVAC Door Positions | Counts | Varies |
| Right Sunload Sensor | HVAC Sensors, Open/Short Data | Counts | Varies |
| Vehicle Speed | HVAC System Data | Km/h/mph | Varies |
| Water Pump Relay | HVAC System Data | On/Off | On |
Aux. 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) | |||
| Aux. Blower Motor PWM | Data Display | % | Varies |
ECM 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 Signal | Cooling/HVAC Data | Yes/No | Yes |
| A/C Relay Command | Cooling/HVAC Data | On/Off | On |
| A/C Relay Circuit Status | Cooling/HVAC Data | Incomplete, Short Gnd, Open Short to B+ | Incomplete |
| A/C High Side Pressure Sensor | Cooling/HVAC Data | Volts | Varies |
| A/C High Side Pressure Sensor | Cooling/HVAC Data | kPa/Psi | 629-845 kPa (85-120 psi) |
| A/C Off For WOT | Cooling/HVAC Data | Yes/No | No |
| A/C Pressure Disable | Cooling/HVAC Data | Yes/No | No |
| A/C Disengage 1 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 2 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 3 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 4 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 5 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 6 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 7 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| A/C Disengage 8 History | Cooling/HVAC Data | None, A/C Pressure, Engine Speed, Battery Voltage, Stall Prevention, RPM Unstable, WOT, Launch Performance, Coolant Hot | None |
| ECT Sensor | Cooling/HVAC Data | °C/°F | 92°C (197°F) |