Control Circuit Inspection

Measure voltage between control terminal of the oil control valve harness connector and chassis ground.
Specification: Approx. 3 ~ 4 V

Fig 1: Oil Control Valve Signal Waveform
Courtesy of HYUNDAI MOTOR CO.

NOTE: Signal waveform in control circuit with ignition ON & Engine OFF

Fig 2: Measuring Voltage Between Control Terminal Of Oil Control Valve Harness Connector And Chassis Ground
Courtesy of HYUNDAI MOTOR CO.
Is voltage within specification?
YES
- Go to TERMINAL AND CONNECTOR INSPECTION .
NO
- Repair short to ground in control circuit and go to VERIFICATION OF VEHICLE REPAIR .