Electronic Throttle Control System Diagram

The electronic throttle control system consists of the throttle actuator, throttle position (TP) sensor A/B, accelerator pedal position (APP) sensor A/B, the electronic throttle control system (ETCS) control relay, and the ECM/PCM.

Fig 1: Electronic Throttle Control System - Diagram

Courtesy of AMERICAN HONDA MOTOR CO., INC.