Component Inspection

Ignition "ON".
Disconnect ESC switch connector.
Press the ESC switch.
Measure resistance between terminal "1" of the ESC switch harness connector and terminal "4" of the ESC switch harness connector.
Specification: Approx. below 1 Ω

Fig 1: Measuring Resistance Between Terminal ESC Switch Harness Connector And Terminal
Courtesy of KIA MOTORS AMERICA, INC.
Is the measured resistance within specifications?
YES
- Fault is intermittent caused by inoperative ESC switch or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.
NO
- Substitute with a known-good ESC switch and check for proper operation. If problem is corrected, replace ESC switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.