| Table 1: | HVAC Control Module Scan Tool Data List |
| Table 2: | 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 Clutch--actual | A/C Compressor Data | On/Off | On |
A/C Clutch--Desired | A/C Compressor Data | Yes/No | Yes |
AC Pressure | A/C Compressor Data | kPa/psi | Varies |
Commanded Blower | HVAC System Data | % | Varies |
Coolant Temperature | HVAC System Data | °C/°F | Varies |
Driver Temp. Dr. Actual | HVAC Door Positions | Counts/Volts | Varies |
Driver Temp. Dr. Commanded | HVAC Door Positions | Counts/Volts | Varies |
Driver Solar Sensor | Open/Short Data | Counts/Volts | Varies |
Driver Sunload | HVAC System Data | w/m2 | Varies |
Evaporator Temp | HVAC System Data | °C/°F | Varies |
Evaporator Temp | A/C Compressor Data | °C/°F | Varies |
Evaporator Temp | Open/Short Data | Counts/Volts | Varies |
Htr./Def./A/C Dr. Actual | HVAC Door Positions | Counts/Volts | Varies |
Htr./Def./A/C Dr. Commanded | HVAC Door Positions | Counts/Volts | Varies |
Inside Air Temp | HVAC System Data | °C/°F | Varies |
Inside Air Temp | Open/Short Data | Counts/Volts | Varies |
Low Coolant Status | HVAC System Data | OK/Low | OK |
Low Coolant Switch | HVAC System Data | Open/Closed | Closed |
Outside Air Temp | HVAC System Data | °C/°F | Varies |
Outside Air Temp | Open/Short Data | Counts/Volts | Varies |
Passenger Solar Sensor | Open/Short Data | Counts/Volts | Varies |
Passenger Sunload | HVAC System Data | w/m2 | Varies |
Passenger Temp Dr. Actual | HVAC Door Positions | Counts/Volts | Varies |
Passenger Temp Dr. Commanded | HVAC Door Positions | Counts/Volts | Varies |
Pressure Sensor | A/C Compressor Data | OK/Failed | OK |
Vehicle Speed | HVAC System Data | Km/h/mph | Varies |
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 High Side Pressure | Engine Data 2 | kPa/Psi | 629-845 kPa (85-120 psi) |
A/C High Side Pressure | Engine Data 2 | Volts | Varies |
A/C Relay Command | Engine Data 2 | On/Off | Varies |
A/C Request Signal | Engine Data 2 | Yes/No | Varies |
ECT Sensor | Engine Data 2 | °C/°F | 92°C (197°F) |
ECT Sensor | Engine Data 2 | Volts | 1.10-1.45 Volts |
