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Scan Tool Data List

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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
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