Throttle Actuator Control (TAC) System Description: Purpose
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The throttle actuator control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the following functions:
- Accelerator pedal position sensing
- Throttle positioning to meet driver and engine demands
- Throttle position sensing
- Internal diagnostics
- Cruise control functions
- Manage TAC electrical power consumption
The TAC system includes the following components:
- The accelerator pedal position (APP) sensors
- The throttle body assembly
- The engine control module (ECM)