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).

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)
Throttle Angle	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.

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.

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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Description Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and is installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog si ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications DescriptionSpecificationsLimitGeneralTypeIn-line, DOHC Number of cylinders4 Bore81.0 mm (3.1890 in.) Stroke97.0 mm (3.8189 in.) Total displacement1999 cc (121.99 cu.in.) Compression ratio12.5±0.2 : 1 Firing order1-3-4-2 Valve timingIntake valveOpen[BTDC 38° ~ ATDC 2°(initial p ...

Hyundai Elantra AD (2016-2020) Service Manual: Audio Remote Control Repair procedures
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