For 1990-2009 cars

Table 1: | BCM Scan Tool Data List
Table 2: | HVAC Control Module Scan Tool Data List
Table 3: | PCM Scan Tool Data List

#### BCM 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)
Left Solar Sensor | Data | Counts | Varies
Right Solar Sensor | Data | Counts | Varies

#### 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 Switch | Input/Output | On, Off | Off
AC Permission | Input/Output | Withheld, Granted | Varies
Air Inlet Door Actual | Door Positions | Counts | Varies
Air Inlet Door Commanded | Door Positions | Counts | Varies
Air Inlet Motor Drive | Door Positions | Stop, Increase, Decrease | Stop
Air Mix Door Left Commanded | Door Positions | Counts | Varies
Air Mix Door Right Commanded | Door Positions | Counts | Varies
Auto Switch | Input/Output | On, Off | Off
Battery Voltage | Input/Output | Volts | 13.5-14.5 V
Blower Motor PWM Speed | Input/Output | Percent | 12-114%
Coolant Pump | Input/Output | ON/ OFF | OFF
Dim Level Requested | Sensor Data | Percent | Varies
DTM Difference Minimum | Sensor Data | Counts | 2 Counts
Engine Coolant Temp | Sensor Data | °C/°F | Varies
Engine Request | Input/Output | Received/ Not Received | Not Received
Engine Request Priority | Input/Output | Priority 1/ Priority 2 | Priority 1
Fan Down Button | Input/Output | On, Off | Off
Fan Up Button | Input/Output | On, Off | Off
Front Defrost Switch | Input/Output | On, Off | Off
Ign. Since Current DTC | Input/Output | Numeric | 0
Inside Air Temp. | Sensor Data | °C/°F | Varies
Inside Air Temp. Fan | Sensor Data | On, Off | On
Left Mix Door Actual | Door Positions | Counts | Varies
Left Mix Motor Drive | Door Positions | Stop, Increase, Decrease | Stop
Left Temp. Setting | Input/Output | °C/°F | Varies
LH AC Duct Actual | Sensor Data | Counts | Varies
LH AC Duct Desired | Sensor Data | Counts | Varies
LH Heater Duct Actual | Sensor Data | Counts | Varies
LH Heater Duct Desired | Sensor Data | Counts | Varies
Mode Select Position | Door Positions | Off, Auto, Defrost, Heater, Htr/Def, Bi-level, Panel | Varies
Mode Door Actual | Door Positions | Counts | Varies
Mode Dr. Motor Command | Door Positions | Counts | Varies
Mode Motor Drive | Door Positions | Stop, Increase, Decrease | Stop
Mode Switch | Input/Output | On, Off | Off
Off Switch | Input/Output | On, Off | Off
Outside Air Temp. Filtered | Input/Output | °C/°F | 22-27°C (70-80°F)
Outside Air Temp. Raw | Input/Output | °C/°F | Varies
Pressure Cycle Switch | Input/Output | Low Pressure, Normal | Varies
Rear Defrost Switch | Input/Output | On, Off | Off
Recirculate Switch | Input/Output | On, Off | Off
RH AC Duct Actual | Sensor Data | Counts | Varies
RH AC Duct Desired | Sensor Data | Counts | Varies
RH Heater Duct Actual | Sensor Data | Counts | Varies
RH Heater Duct Desired | Sensor Data | Counts | Varies
Right Mix Door Actual | Door Positions | Counts | Varies
Right Mix Motor Drive | Door Positions | Stop, Increase, Decrease | Stop
Right Temp. Setting | Input/Output | °C/°F | Varies

#### PCM 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 Pressure Sensor | Engine Data 2 | kPa, Psi | 629-845 kPa (85-120 psi)
A/C Pressure Sensor | 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