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
Control Module: Description and Operation
4WD Control Module
The 4WD control module, located behind the glove compartment, controls the operation of the transfer case in response to the inputs from the shift motor, MSS, BPP switch, digital TR sensor, throttle position output from the PCM, front and rear OSS (on non-stability assist vehicles), stability assist module (if equipped) and the VSS.