Monitor Scan Tool Data

Ignition "ON" & Engine "OFF".
Disconnect ECTS connector.
Connect scan tool and monitor the "COOLANT TEMP. SNSR (V)" parameter on the scan tool data list.
Specification: Approx. 5V

Fig 1: scan tool Data Display
Courtesy of KIA MOTORS AMERICA, INC.
Is ECTS parameter near the specified value?
YES
- Possibility of sensor malfunction. Go to "COMPONENT INSPECTION " procedure.
NO
- Possibility of signal circuit short to ground. Go to SIGNAL CIRCUIT INSPECTION .