Control Circuit Inspection

With ignition OFF, disconnect alternator connector
Ignition "ON" & Engine "OFF"
Measure voltage between terminals 3 of the alternator harness connector and chassis ground
Specification: Approx. 9~10V

Fig 1: Measuring Voltage Between Terminals 3 Of Alternator Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR CO.

Fig 2: Signal Waveform With Ignition On
Courtesy of HYUNDAI MOTOR CO.

NOTE: Normal waveform with ignition "ON"
Is voltage within the specification?
YES
- Go to TERMINAL AND CONNECTOR INSPECTION .
NO
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure