Throttle Actuator Control (Tac) System

POWERTRAIN CONTROL MODULE

The powertrain control module (PCM) determines the drivers intent and then calculates the appropriate throttle response. The accelerator pedal position (APP) sensor 1 enables the PCM to provide a target value to the TAC module in response to accelerator pedal movement. The throttle position (TP) sensor 1 input enables the PCM to determine whether the throttle valve opening is correct for the desired engine operation at that moment.