Signal Circuit Inspection

Check voltage
1. IG "OFF" and disconnect Fuel Sender connector and ECM connector.
2. IG "ON".
3. Measure voltage between signal terminal of Fuel Sender harness connector and chassis ground.
  Specification: Approx. 11V
  
  Fig 1: Measuring Voltage Between Signal Terminal Of Fuel Sender Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR AMERICA
  
  Fig 2: Identifying Fuel Level Sender, Instrument Cluster, PCM And ECM Connector Terminals
  Courtesy of HYUNDAI MOTOR AMERICA
4. Is the measured voltage within specification?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair short to ground or open in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.