Signal Circuit Inspection

Check Voltage
1. IG "OFF" and disconnect Fuel level sensor connector and PCM connector.
2. IG "ON" & ENG "OFF"
3. Measure voltage between terminal 29 of PCM harness connector (C144-A) and chassis ground.
  Specification : Approx. 0V
  
  Fig 1: Measuring Voltage Between Terminal 29 Of PCM Harness Connector (C144-A) And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured voltage within specification ?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Repair short to battery in harness and go to "VERIFICATION OF VEHICLE REPAIR " procedure.