Scan Tool Data List

WARNING: This page is about a different car, the 2005 GMC Canyon and 2005 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

Body Control Module (BCM) Scan Tool Data List

Scan Tool Parameter	Data List	Units Displayed	Typical Data Value
Ignition ON/Engine OFF/Vehicle in PARK/Park Brake Released/Headlamps in AUTO/All Doors Closed
Battery Voltage Signal	Data	Volts	Varies
Ambient Light Sensor	Data	Volts	1.75 Volts Maximum Light to 4.9 Volts Maximum Dark
Dimming Potentiometer	Data	Volts	Varies
Ignition Off/Run/Crank	Inputs	Active/Inactive	Active
Ignition 1 Run/Crank	Inputs	Active/Inactive	Active
Driver Door Ajar Sw.	Inputs	Door Closed/Door Ajar	Door Closed
Passenger Door Ajar Sw.	Inputs	Door Closed/Door Ajar	Door Closed
High Beam Select Switch	Inputs	Active/Inactive	Inactive
Headlamp On Switch	Inputs	Active/Inactive	Inactive
Headlamp Off Switch	Inputs	Active/Inactive	Inactive
Front Fog Lamp Switch	Inputs	Active/Inactive	Inactive
Courtesy Lamp Switch	Inputs	Active/Inactive	Inactive
Dome Lamp Override Switch	Inputs	On/Off	Off
Cargo Lamp Switch	Inputs	Active/Inactive	Inactive
Hazard Lamp Switch	Inputs	Active/Inactive	Inactive
Park Lamp Switch	Inputs	On/Off	Off
Park Brake Switch	Inputs	Released/Applied	Released
Front Wipers Active	Inputs	Yes/No	No
Inadvertent Power Cmd.	Outputs	On/Off	On
LF Turn/Hazard Lamp Command	Outputs	On/Off	Off
LR Turn/Hazard Lamp Command	Outputs	On/Off	Off
RF Turn/Hazard Lamp Command	Outputs	On/Off	Off
RR Turn/Hazard Lamp Command	Outputs	On/Off	Off
DRL Status	Outputs	On/Off	Varies
Headlamp Relay	Outputs	On/Off	Varies
High Beam Relay Command	Outputs	On/Off	Off
Park Lamps Signal	Outputs	On/Off	Varies
Courtesy Lamp Output	Outputs	On/Off	Off
Fog Lamp Relay Cmd.	Outputs	On/Off	Off