For 1990-2009 cars

Scan Tool Parameter | Data Display | Units Displayed | Typical Data Value
--- | --- | --- | ---
Operating Conditions: Ignition in the ON position. Bright light applied to the DRL ambient light sensor. Park brake not set. Headlamp Switch in the OFF position. I/P lamp switch in the OFF position. Fog lamp switch in the OFF position.
Brake Apply Sensor | BCM Data | Volts | 0 Volts
Stop Lamp Signal | Cruise Control Data | ON/OFF | OFF
Inputs
Flash to Pass Switch | Exterior Lighting | Inactive/Active | Inactive
Front Fog Lamp Switch | Exterior Lighting | Inactive/Active | Inactive
Headlamp Switch | Exterior Lighting | Inactive/Active | Inactive
High Beam Select Switch | Exterior Lighting | Inactive/Active | Inactive
Hazard Lamp Switch | Exterior Lighting | Inactive/Active | Inactive
Interior Light Switch | Inputs | ON/OFF | OFF
Interior Lights Power | Inputs | ON/OFF | OFF
Left Turn Signal Switch | Exterior Lighting | Inactive/Active | Inactive
Low Beam Switch | Inputs | ON/OFF | OFF
LR Door Open Switch | Inputs | ON/OFF | OFF
Right Turn Signal Switch | Exterior Lighting | ON/OFF | OFF
RF Door Lock Switch | Inputs | ON/OFF | OFF
RR Door Open Switch | Inputs | ON/OFF | OFF
Park Brake Switch | Inputs | Applied/Released | Released
Park Lamp Switch | Inputs | ON/OFF | OFF
Outputs
Backup Lamps | Exterior Lighting | ON/OFF | OFF
Front Fog Lamp Relay | Outputs | ON/OFF | OFF
Interior Lamp Output | Outputs | ON/OFF | OFF
Interior Lights Power | Outputs | ON/OFF | OFF
Instrumentation Backlight | Outputs | ON/OFF | OFF
LF Turn Signal | Exterior Lighting | ON/OFF | OFF
Low Beam Relay Command | Exterior Lighting | Inactive/Active | Inactive
LR Turn Signal | Exterior Lighting | ON/OFF | OFF
Park Lamp Relay Command | Exterior Lighting | ON/OFF | OFF
RF Turn Signal | Exterior Lighting | ON/OFF | OFF
RR Turn Signal | Outputs | ON/OFF | OFF
Bass Data
Ambient Light Sensor | Exterior Lighting | Volts | Volts
Ambient Light States | Exterior Lighting | Night/Day Unknown/Invalid | --
Auto Hdlp. Disable Sw. | Exterior Lighting | Inactive/Active | --
Bass High During Learn | Bass Data | NO/YES | NO
Bass Learned | Bass Data | NO/YES | YES
Bass Low During Learn | Bass Data | NO/YES | NO
Bass Moved During Learn | Bass Data | NO/YES | NO
Bass Valid | Bass Data | NO/YES | YES
Brake Applied Output Signal | Outputs | ON/OFF | OFF
Brake Lamp | Bass Data | ON/OFF | OFF
Center Stop Lamp | Exterior Lighting | ON/OFF | --
Courtesy Lamp PWM Command | Interior Lighting | % | %
Courtesy Lamp Active Reason | Interior Lighting | ON/OFF | OFF
Current Position | Bass Data | Counts | 0
Dimming Control Reference | Interior Lighting | Volts | Volts
Dimming Control Signal | Interior Lighting | % | %
Dimming Control Signal | Interior Lighting | Volts | Volts
Front Fog Lamp Relay Command | Exterior Lighting | ON/OFF | OFF
Incandescent Dimming | Interior Lighting | % | %
Learn in Progress | Bass Data | NO/YES | NO
Learned Home Position | Bass Data | Counts | 0
LED Dimming PWM Command | Interior Lighting | % | %
Park Lamp Switch | Exterior Lighting | Inactive/Active | Inactive
Right Corner Lamp | Exterior Lighting | Inactive/Active | Inactive