Power Circuit Inspection

■ Check Power in Harness 

1. Ignition "OFF".
2. Disconnect Stop Lamp Switch harness connector.
3. Ignition "ON".
4. Measure Voltage between Power terminal of Stop Lamp Switch harness connector and chassis ground.

   Specification  : B +.

   Fig 1: HCU Circuit Diagram

   Courtesy of HYUNDAI MOTOR AMERICA
5. Is the measured Voltage within specifications?

   YES 

   • Go to Next procedure.

   NO 

   • Check for open and short to ground in harness.
   • Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.