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

Hyundai Genesis (DH) 2013-2016 Service Manual / Engine Control / Fuel System / Engine Control System / ETC (Electronic Throttle Control) System Repair procedures

Inspection
If idle rpm is unstable or engine stops, check the ETC module operation with GDS diagnostic tool.
And if necessary, clean carbon in the throttle body.
1.
Connect the GDS to the Data Link Connector (DLC).
2.
Select "Vehicle S/W management" > "Inspection / Test" > "ETC Performance Test" on the GDS menu.
3.
Perform "ETC module test" procedure in accordance with the message.

4.
If the test result of the ETC module or TPS signal shows NG, perform ETC module cleaning.

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the air intake hose.
(Refer to Engine Mechanical System - "Intake AndExhaust System")
3.
Disconnect the ETC module connector (A).

4.
Disconnect the coolant hose (A).

5.
Remove the ETC module (B) from the engine after loosening the installation bolt (A).

Cleaning
1.
Remove the ETC module.
(Refer to Engine Control System - "ETC Module".)
2.
Keep the opening position of the ETC module plate with the fixing jig.

3.
Clean the contamination part of the throttle body with a soft and lint-free cloth dampened with cleanser to prevent foreign objects from going in.

   

    Description Barometric Pressure Sensor (BPS) is a speed-density type sensor and is installed on the air cleaner assembly. It senses absolute pressure of the air cleaner assembly and transfers the analog signal proportional to the pressure to the ECM.

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