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Home >> Isuzu >> 2004 >> Ascender LS, 5.3 P, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Introduction) - 5.3L >> Description and Operation >> Throttle Actuator Control (TAC) System Description >> Throttle Actuator Control Module

Throttle Actuator Control Module

The TAC module is the control center for the throttle actuator control system. The TAC system is self-diagnosing and provides diagnostic information to the PCM through a dedicated serial data line. The TAC achieves throttle positioning by providing a pulse width modulated voltage to the TAC as directed by the PCM.