Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check Short to Ground in Harness

Ignition "OFF".
Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
Measure resistance between Signal terminal of HCU harness connector and chassis ground.
Specification : Infinity

Fig 1: HCU Harness Connector Circuit Diagram
Courtesy of HYUNDAI MOTOR AMERICA
Is the measured resistance within specifications?
YES
- Go to Next procedure.
NO
- Check for short to ground in harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check Short to Battery in Harness

Ignition "OFF"
Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
Ignition "ON"
Measure Voltage between Signal terminal of HCU harness connector and chassis ground.
Specification : Approx. 0V

Fig 2: Engine Clutch Pressure Sensor Circuit Diagram
Courtesy of HYUNDAI MOTOR AMERICA
Is the measured resistance within specifications?
YES
- Go to Next procedure.
NO
- Check for short to battery in harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check for Open in Harness

Ignition "OFF"
Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
Measure resistance between Signal terminal of Engine Clutch Pressure Sensor harness connector and Signal terminal of HCU harness connector.
Specification : Below 1Ω

Fig 3: Engine Clutch Pressure Sensor Circuit Diagram
Courtesy of HYUNDAI MOTOR AMERICA
Is the measured resistance within specifications?
YES
- Go to Next procedure.
NO
- Check for open in harness.
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.