Component Inspection

Connect GDS to Data Link Connector (DLC).
IG "ON".
Press the ESP (ESC) SWITCH.
Monitor the "ESP ON/OFF Switch" parameter on the "Current Data " with GDS.
Specification: Parameter changes (refer to Fig 1 and Fig 2)

Fig 1: Screen Display - ESC OFF Warning Lamp Status When ESC Switch Pushed To Disable System
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Screen Display - ESC OFF Warning Lamp Status When ESC Switch Pushed To Enable System
Courtesy of KIA MOTORS AMERICA, INC.
Is the parameter displayed within specifications?
YES
- Fault is intermittent caused by poor connection in ESC (ESP) switch harness and/or HECU's connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known-good ESC (ESP) switch and check for proper operation. If problem is corrected, replace ESC (ESP) switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.