Monitor Scantool Data

Connect scantool to DLC (Data Link Cable).
Warm up the engine to normal operating temperature.
Monitor "IATS" & "ECTS" parameter on scantool.

Fig 1: Scan Tool Display - Engine Speed
Courtesy of HYUNDAI MOTOR CO.
Is the "IATS" & "ECTS" parameter displayed correctly?
YES
- Fault is intermittent caused by poor contact in the sensor's and/or PCM's connector or was repaired and ECM/PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- If there is faulty on "ECTS" circuit or itself, check "ECTS" circuit or itself according to the designated "ECTS" troubleshooting guide.
- If there is not faulty on "ECTS" circuit or itself, Go to inspection & repair procedure.