| Table 1: | HVAC Control Module Scan Tool Data Parameters |
| Table 2: | HVAC Control Module Scan Tool Output Controls |
Parameter | System State | Expected Value | Description |
|---|---|---|---|
Operating Conditions: Engine ON | |||
A/C Compressor | -- | Disengaged | The scan tool displays Engaged or Disengaged. This is the current state of the air conditioner compressor. |
A/C Evap. Temperature Sensor | -- | Varies | This displays °F (°C). This is the current temperature of the evaporator sensor. |
A/C Head Pressure | -- | Normal | The scan tool displays Out of Range or Normal. This is the current state of the air conditioner head pressure. |
A/C High Side Pressure Sensor | -- | Varies | This displays kPa (psi). This is the current pressure at the high side sensor. |
A/C Permission | -- | Varies | The scan tool displays Withheld or Granted. |
A/C Request | -- | No | The scan tool displays Yes or No. Yes is displayed if the air conditioner is requested. |
Blower Motor Speed | -- | Varies | This displays %. This is the current blower motor speed percentage. |
Blower Speed | -- | Off | The scan tool displays Normal or Off. This is the current state of the blower speed. |
Coolant Temperature | -- | Varies | This displays °F (°C). This is the current temperature of the engine coolant. |
Driver Temp. Dr. Motor Command | -- | Varies | This displays Counts. This is the commanded state of the driver door motor measured in counts. |
Driver Temp. Dr. Position | -- | Varies | This displays Counts. This is the current state of the driver door position measured in counts. |
Driver Temp. Setting | -- | Varies | This displays °F (°C). This is the current setting of the driver side temperature. |
Inside Air Temp. Filter | -- | Varies | This displays °F (°C). This is the current inside air temperature filter. |
Inside Air Temp. Sensor | -- | Varies | This displays °F (°C). This is the current inside air temperature sensor. |
Left Sunload Sensor | -- | Varies | This displays Counts. This is the current state of the left sunload sensor measured in counts. |
Mode Door Position | -- | Varies | This displays Counts. This is the current position of the mode door measured in counts. |
Mode Dr. Motor Command | -- | Varies | This displays Counts. This is the commanded state of the mode door motor measured in counts. |
Outside Air Temp. Filtered | -- | Varies | This displays °F (°C). This is the current filtered outside air temperature sensor. |
Outside Air Temp. Raw | -- | Varies | This displays °F (°C). This is the current raw outside air temperature sensor. |
Passenger Temp. Setting | -- | Varies | This displays °F (°C). This is the current setting of the passenger side temperature. |
Psgr. Temp. Dr. Motor Command | -- | Varies | This displays Counts. This is the commanded state of the passenger door motor measured in counts. |
Psgr. Temp. Dr. Position | -- | Varies | This displays Counts. This is the current state of the passenger door position measured in counts. |
Rear Defrost State | -- | Off | The scan tool displays On or Off. This is the current state of the rear defrost. |
Recirculation Dr. Motor Command | -- | Varies | This displays Counts. This is the commanded state of the recirculation door motor measured in counts. |
Recirculation Dr. Position | -- | Varies | This displays Counts. This is the current position of the recirculation door measured in counts. |
Right Sunload Sensor | -- | Varies | This displays Counts. This is the current state of the right sunload sensor measured in counts. |
Vehicle Speed | -- | 0 km/h (0 mph) | The scan tool displays km/h (mph). This is the current vehicle speed. |
Water Pump Relay | -- | On | The scan tool displays On or Off. This is the current state of the water pump relay. |
Output Control | Description |
|---|---|
Blower Motor | This output control is used to command the blower motor. |
Driver Temp. Door | This output control is used to command the driver temperature door. |
Mode Door Position | This output control is used to command the mode door position. |
Passenger Temp. Door | This output control is used to command the passenger temperature door. |
Power Down Now | This output control is used to power down the HVAC system. |
Rear Defog Request | This output control is used to command the rear defogger. |
Recirculation Door | This output control is used to command the recirculation door. |
Segment Check | This output control is used to command the segment check. |
Water Pump Control | This output control is used to command the water pump. |
