Operation CHARM: Car repair manuals for everyone.

Arm/Disarm Switch: Testing and Inspection

DOOR DISARM SWITCH

Special Service Tool(s):




Special Tool


Use 73 Digital Multimeter to measure the door disarm switch resistance with the key removed from the lock cylinder. The resistance should be more than 25,000 ohms. If not, replace the door disarm switch.

Measure the door disarm switch resistance with the key fully rotated to the end of the travel in the unlock direction. The resistance should be less than 200 ohms. If not, replace the door disarm switch.