For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition On, Engine Off
Driver Door Ajar Switch | Lamp Status | On/Off | Off
DRL Relay | Lamp Status | On/Off | Off
Fog Lamp Relay | Lamp Status | On/Off | Off
Fog Lamp Switch | Lamp Status | On/Off | Off
High Beam Feedback | Lamp Status | Volts | 12.00 Volts
Inadvert. Power Output | Lamp Status | On/Off | On
Interior Lamp Output | Lamp Status | On/Off | Off
Low Beam Feedback | Lamp Status | Volts | 12.00 Volts
Park Lamp Input | Lamp Status | On/Off | Off
Passenger Door Ajar Switch | Lamp Status | On/Off | Off