Hyundai Elantra: Engine Control System / ETC (Electronic Throttle Control) System Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Engine Control System / 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.
Throttle Angle
Output Voltage (V)
TPS 1
TPS 2
C.T
0.5
4.5
W.O.T
4.41
0.59

ETC Motor
1.
Turn the ignition switch OFF.
2.
Disconnect the ETC module connector.
3.
Measure resistance between the ETC module terminals 1 and 2.
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 Engine Mechanical System - "Air Cleaner")
3.
Disconnect the ETC module connector (A).

4.
Disconnect the coolant hoses (A).
5.
Remove the installation bolts (B), 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. In this case, use it after inspecting.
1.
Installation is reverse of removal.

Electronic throttle body Installation bolt :
7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

ETC (Electronic Throttle Control) System Schematic Diagrams
Circuit Diagram ...

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