Door Courtesy Switch Circuit

CIRCUIT DESCRIPTION
The door open detection switch comes ON when the door is opened and goes OFF when the door is closed.

Furthermore the door open detection switch circuit has terminal +B connected inside the theft deterrent and door lock ECU, battery positive voltage is applied to terminal CTY of the wireless door lock ECU when all doors are closed, i.e, when the door open detection switch of all doors are OFF.





WIRING DIAGRAM

INSPECTION PROCEDURE