Hyundai Santa Fe: ETC (Electronic Throttle Control) System. Description and Operation - Engine Control System - Engine Control/Fuel SystemHyundai Santa Fe: ETC (Electronic Throttle Control) System. Description and Operation

Description

The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cable, an Accelerator Position Sensor (APS) is used to receive driver input. The ECM uses the APS signal to calculate the target throttle angle; the position of the throttle is then adjusted via ECM control of the ETC motor. The TPS signal is used to provide feedback regarding throttle position to the ECM. Using ETC, precise control over throttle position is possible; the need for external cruise control modules/cables is eliminated.

Schematic Diagram

Schematic Diagram


Engine Control Module (ECM). Repair procedures
Removal When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below. [In the case of installing used ECM] 1) Perform "ECM Neutral mode" procedure with ...

ETC (Electronic Throttle Control) System. Troubleshooting
Fail-Safe Mode Item Fail-Safe ETC Motor Throttle valve stuck at 5° TPS TPS 1 fault ECM looks at TPS2 TPS 2 fault ECM looks at TPS1 TPS 1,2 fault Throttle valve stuck at 5° APS APS 1 fault ECM looks at ...

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