Signal Circuit Inspection

Check for short to battery in harness
1. Ignition "OFF"
2. Disconnect SUB FLS sensor connector.
3. Ignition "ON" & Engine "OFF"
4. Measure voltage between terminal 1 of FLS harness connector and chassis ground.
  Specification: Above 6.5V
  
  Fig 1: Measuring Voltage Between Terminal 1 Of FLS Harness Connector And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured voltage within specifications?
  Yes
  - Go to "Check for open in harness" as below.
  NO
  - Check for short to ground in harness
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF"
2. Disconnect SUB FLS sensor and PCM connector.
3. Measure resistance between terminal 1 of FLS harness connector and terminal A5 of PCM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal 1 Of FLS Harness Connector And Terminal A5 Of PCM Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications?
  Yes
  - Go to "GROUND CIRCUIT INSPECTION " procedure.
  NO
  - Check for open in harness.
  - Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.