This action opens and closes an electrical circuit sending a signal to your vehicle s computer activating the door ajar warning light when the door is open.
Car door light sensor.
See if the light dims after shutting all of the doors.
Car door sensors are part of this same system.
What seem to happen is a door sensor switch has failed.
Turn on the dome light to door and shut all of the doors.
Seat logo demonstrated but you can get these for any cars.
For example your main driver door may have different sensors and signals for locked doors unlocked doors child locked doors doors that are ajar or windows rolled down.
There is a wire that runs from the box to different parts of your car depending on what your vehicle is designed to signal.
The sensor typically uses a switch with a spring loaded plunger that is compressed when the door is closed and is released when the door is open.
Hi and thanks for contacting your mechanic.
We have you covered with everything from ignition passlock sensors to door open warning sensors for your specific car.
If the light does not dim then there is a door switch that has failed.
Auto door lock position sensor.