Repair procedures: Inspection

WARNING: This page is about a different car, the 2018 Kia Cadenza. However, it is still accessible from the selected car via links, so may be relevant.

If idle RPM is unstable or engine stops, check the ETC module operation with KDS diagnostic tool.

And if necessary, clean carbon in the throttle body.

Connect the KDS to the Data Link Connector (DLC).
Select "Vehicle S/W management" → "Inspection/Test" → "ETC Performance Test" on the KDS menu.
Perform ETC (Electronic Throttle Control) System "ETC module test" procedure in accordance with the message.

Fig 1: Screen Display - ETC Module Test
Courtesy of KIA MOTORS AMERICA, INC.
If the test result of the ETC module or TPS signal shows NG, perform ETC module cleaning.

Fig 2: Screen Display - ETC Module And TPS Signal

Courtesy of KIA MOTORS AMERICA, INC.