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 logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Circuit Operation
The powertrain control module (PCM) receives inputs from switches and sensors, and controls the functions of transmission mode. The multi-plexed indicator control unit also controls the "POWER DRIVE", "WINTER DRIVE", "A/T OIL TEMP", and "CHECK TRANS" indicator lights and allows for diagnostic testing through the data link connector, (
DLC).