Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Test B: The Doors Do Not Lock/Unlock Using The Remote Keyless Entry Keypad

PINPOINT TEST B: THE DOORS DO NOT LOCK/UNLOCK USING THE REMOTE KEYLESS ENTRY KEYPAD


B1-B2:






B2-B4:






B4-B5:






Normal Operation
The vehicle security module receives digitally coded inputs from the remote keyless entry (RKE) keypad and operates the locks accordingly.

Possible Causes
- circuit 78 (LB/YE) open or short to ground
- circuit 122 (YE) open
- circuit 124 (BN) open
- RKE keypad
- vehicle security module