Lanos S Hatchback L4-1.6L DOHC D-TEC MFI (1999)
Control Module: Description and Operation
POWERTRAIN CONTROL MODULE (PCM)
The Powertrain Control Module (PCM) is an electronic device which monitors inputs to control various transmission functions including shift quality
and transmission diagnostics. The PCM receives input information from sensors, switches, and components to process for use within its control
program. Based on this input information, the PCM controls various transmission output functions and devices.
