Signal Circuit Inspection

■ Check Short to Battery in Harness 

1. Ignition "OFF".
2. Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
3. Ignition "ON"
4. Measure Voltage between Signal terminal of HCU harness connector and chassis ground.

   Specification  : Approx. 0V

   Fig 1: HCU Harness Connector

   Courtesy of HYUNDAI MOTOR AMERICA
5. 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 

1. Ignition "OFF"
2. Disconnect Engine Clutch Pressure Sensor and HCU main harness connector.
3. Measure resistance between Signal terminal of Engine Clutch Pressure Sensor harness connector and Signal terminal of HCU harness connector.

   Specification  : Below 1Ω

   Fig 2: Clutch Pressure Sensor Circuit Diagram

   Courtesy of HYUNDAI MOTOR AMERICA
4. 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.