Heating, Ventilation, and Air Conditioning Controls Scan Tool Information
HVAC Controls Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON/ Vehicle in Service Mode | |||
| Backlight Dimming | - | Varies | The scan tool displays % from 0-100 depending on the backlight dimming level. |
| Base Model Part Number | - | Varies | Base Model Part Number is the part number for the hardware without software and calibrations. |
| Battery Voltage | - | Varies | The scan tool displays V. This is the current battery voltage. |
| Boot Software Number | - | Varies | The scan tool displays the boot software ID number. |
| Calibration Part Number 1 | - | Varies | The scan tool displays the software calibration part number 1. |
| Calibration Part Number 2 | - | Varies | The scan tool displays the software calibration part number 2. |
| Calibration Part Number 3 | - | Varies | The scan tool displays the software calibration part number 3. |
| Diagnostic Data Identifier | - | Varies | The scan tool displays the 4 character alphanumeric device ID. |
| Driver HVAC Temperature Display | - | Varies | The scan tool displays °C (°F). This is the currently selected temperature setting. |
| Driver Seat Heating/Venting/Cooling Level | Driver Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the drivers seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Driver Seat Heating/Venting/Cooling Mode | Driver Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the drivers seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| End Model Part Number | - | Varies | End Model Part Number is the part number for the hardware of the control module with software and calibrations. |
| HVAC Controls | No HVAC buttons active | No Button Pressed | The scan tool displays No Button Pressed or Button Pressed. Button Pressed is displayed when any HVAC button is activated. |
| Any HVAC button active | Button Pressed | ||
| HVAC Controls Dimming Level | - | Varies | The scan tool displays % from 0-100 depending on the backlight dimming level. |
| HVAC Display Dimming Level | - | Varies | The scan tool displays % from 0-100 depending on the display dimming level. |
| HVAC Indicator Dimming Level | - | Varies | The scan tool displays % from 0-100 depending on the indicator dimming level. |
| Left Temperature Knob Position | - | Varies | The scan tool displays counts from 0- 255, indicating the current temperature knob setting. |
| Passenger HVAC Temperature Display | - | Varies | The scan tool displays °C (°F). This is the currently selected temperature setting. |
| Passenger Seat Heating/Venting/Cooling Level | Passenger Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the passenger seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Passenger Seat Heating/Venting/Cooling Mode | Passenger Seat Heating/ Venting/ Cooling OFF | No LEDs activated. | The scan tool displays No LED Activated when the passenger seat heating/ venting/ cooling is OFF. When the seat is activated, the scan tool displays 1 LED Activated, 2 LEDs Activated, or 3 LEDs Activated depending on the selected level. |
| Programming Date | - | Varies | The scan tool displays the date the module was last programmed. |
| Right Temperature Knob Position | - | Varies | The scan tool displays counts from 0- 255, indicating the current temperature knob setting. |
| System Power Mode | - | Run | The scan tool displays: Off, Accessory, Run, or Crank indicating the current vehicle power mode. |