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Toyota Tundra Service Manual > Sfi System: Throttle / Pedal Position Sensor "A" Minimum Stop Performance (P2109)
DESCRIPTION The idling speed is controlled by the Electronic Throttle Control System (ETCS). The ETCS is comprised of a throttle actuator, which operates the throttle valve, and a throttle position sensor, which detects the opening amount of the throttle valve. The ECM controls the throttle actuator ...