Door Switch: Testing and Inspection

CIRCUIT DESCRIPTION

The door courtesy switch comes ON when the door is opened and goes OFF when door is closed. Furthermore, the door courtesy switch circuit has terminal +B connected inside the theft deterrent ECU. Battery positive voltage is applied to terminal DSWD of the theft deterrent ECU when all doors are closed, i.e., when the door courtesy switches of all doors are OFF.




WIRING DIAGRAM

Step 1:

Step 2:

INSPECTION PROCEDURE