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: Connecting Tester To 2 And 3 Terminals Of G Sensor
Courtesy of HYUNDAI MOTOR CO.
Measure the output voltage between 2 and 3 terminals, posing the arrow mark on the G sensor downward.
Specification : 3.5V

Fig 2: Measuring Output Voltage Between 2 And 3 Terminals
Courtesy of HYUNDAI MOTOR CO.
Replace the G sensor if the output voltage is not on the specification.