Signal Circuit Inspection

Ignition "OFF".
Disconnect HECU connector.
Measure resistance between terminal (ESC : 14 and 38, 14 and 9, TCS : 9 and 10, 14 and 38, ABS :10 and 38) of the HECU harness connector.
Specification : Approx. below 1Ω

Fig 1: Measuring Resistance Between HECU Harness Connector Terminals
Courtesy of KIA MOTORS AMERICA, INC.
Is the measured resistance within specifications?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Check for open or short to GND in pin coding harness. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.