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Hyundai Equus: ETC (Electronic Throttle Control) System Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2021 Service ManualHyundai Equus: 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.

1. Dry bearing
2. DC motor
3. Non-contact hall sensor
4. Gear
5. Magnet
6. Hall IC
7. Yoke
8. Stator

Schematic Diagram

    Injector Drive Box (IDB) Repair procedures
    Remove 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the IDB cover (A). 3. Disconnect the IDB Connector (A). 4. Remove the mounting bolts (B), an ...

    ETC (Electronic Throttle Control) System Troubleshooting
    Fail-safe mode ITEMSFAIL-SAFEETC MotorThrottle valve stuck at 5°TPSTPS 1 faultReplace it with TPS2TPS 2 faultReplace it with TPS1TPS 1,2 faultThrottle valve stuck at 5°APSAPS 1 faultReplace it wi ...

    See also:

    This device complies with Part 15 of the FCC Rules.
    Operation is subject to the following two conditions: 1. This device may not cause harmful interference, and 2. This device must accept any interference received, including interference that may c ...

    Fuel Filter Repair procedures
    Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Release the residual pressure in fuel line. (Refer to Fuel Delivery System -"Release Residual Pressu ...

    Input Speed Sensor Repair procedures
    Inspection 1. Check signal waveform of Input speed sensor using the GDS. Specification: Refer to "Signal Wave Form" section. ...

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