General Information
The powertrain control module (PCM) is designed to maintain exhaust emission levels while maintaining excellent driveability and fuel efficiency. The PCM controls the following operations:^ The fuel control
^ The ignition control (IC)
^ The knock sensor (KS) system
^ The automatic transmission shift functions
^ The manual transmission
^ The cruise control enable, if equipped The generator
^ The evaporative emissions (EVAP) purge
^ The A/C clutch control, if equipped
^ The secondary air injection (AIR), if equipped
^ The exhaust gas recirculation (EGR)