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

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System Description

SYSTEM DESCRIPTION

WIRELESS DOOR CONTROL SYSTEM DESCRIPTION

a. This system locks and unlocks the vehicle's doors remotely. The wireless control system has the following features:
- The door control receiver performs the code identification process and the integration relay operates the door lock control. A serial data link is provided for communication between the door control receiver and the integration relay.
- A key-integrated type transmitter is used and it contains the following 3 switches: the door lock switch, door unlock switch and panic switch.




b. The wireless door lock control system functions: