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: Connecting Scan Tool And Monitor "COOLANT TEMP. SNSR (V)" Parameter On Scan Tool Data List
Courtesy of HYUNDAI MOTOR CO.
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 next step below.