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)
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temporarily or
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Circuit Operation
There are three different types of
Body Control Module's
(BCM), referred to as types 2, 3, and 4. The BCM-2 provides Illumination Control, Inadvertent Load Control, Chime/Warning functions, Retained Accessory Power, control of the vehicle's Power Door Locks including Lockout Prevention, Last Door Closed Locking, Automatic Door Lock, and Automatic Door Unlock functions. The BCM-3 provides the features of MALL-2 subsystems, and adds functions designed to allow the MALL subsystem to work with a Remote Keyless Entry subsystem. The BCM-4 provides all the functions of the MALL-2, and MALL-3 subsystems and adds Remote Activation Verification, Remote Alarm, and Content Theft Deterrent System functions.