Signal Circuit Inspection

Ignition "ON"&Engine "OFF".
Measure the voltage between signal terminal of IATS harness connector and chassis ground.
Specification: Approx. 5V

Fig 1: Measuring Voltage Between Signal Terminal Of IATS Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR CO.
Is voltage within the specification?
YES
- Go to next step as below.
NO
- Check for open or short to battery in signal harness. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.