G Sensor: Inspection

Connect a tester to both 2 and 3 terminals of the G sensor.
Measure the output voltage when IGN is on.
Specification: 2.5V

Fig 1: Measuring Output Voltage
Courtesy of HYUNDAI MOTOR CO.
Measure the output voltage between 2 and 3 terminals, passing the arrow mark on the G sensor downward.
Specification: 3.5V

Fig 2: Measuring Output Voltage While Moving Harness
Courtesy of HYUNDAI MOTOR CO.
Replace the G sensor if the output voltage is not on the specification.