Hyundai Sonata: ETC (Electronic Throttle Control) System. Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: ETC (Electronic Throttle Control) System. Repair procedures

Inspection

Throttle Position Sensor (TPS)
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T.

Specification: Refer to “Specification”

3.
Turn the ignition switch OFF and disconnect the scantool from the DLC.
4.
Disconnect the ETC module connector and measure the resistance between the ETC module terminals 1 and 2.

Specification: Refer to “Specification”

ETC Motor
1.
Turn the ignition switch OFF.
2.
Disconnect the ETC module connector.
3.
Measure resistance between the ETC module terminals 3 and 6.
4.
Check that the resistance is within the specification.

Specification: Refer to “Specification”


Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the resonator and the air intake hose (Refer to “Intake And Exhaust System” in EM group).
3.
Disconnect the ETC module connector (A).
4.
Disconnect the coolant hoses (B).
5.
Remove the installation bolts (C), and then remove the ETC module from the engine.


Installation

Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
1.
Installation is reverse of removal.

Electronic throttle body Installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)


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