Operation CHARM: Car repair manuals for everyone.

Test K

PINPOINT TEST K: THE ALARM SYSTEM DOES NOT ARM/DISARM - USING THE KEYLESS ENTRY KEYPAD


Test K1-K2:






Test K3-K4:






Normal Operation
The keypad is used to manually input a user-set entry code to the vehicle security module. The vehicle security module upon receiving the correct code will unlock the doors by providing a ground through an internal relay.

Possible Causes
- vehicle security module
- keyless entry remote transmitter
- keyless entry keypad