Signal Circuit Inspection

Check for short in harness.
1. Ignition "OFF".
2. Disconnect SMARTRA connector.
3. Ignition "ON" & Engine "OFF".
4. Measure voltage between terminal 5 of the SMARTRA harness connector and chassis ground.
  Specification: Approx. 5.48V
  
  Fig 1: Measuring Voltage Between Terminal 5 Of SMARTRA Harness Connector And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
5. Is the measured voltage within specifications?
  YES
  
  Go to 2. Check for open in harness as below.
  
  NO
  
  Check short in signal harness.
  
  Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF".
2. Disconnect SMARTRA connector.
3. Measure resistance between terminal 5 of the SMARTRA harness connector and terminal 44 (A/T-GSL) or 18 (M/T-GSL) or 47 (DSL) of ECM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal 5 Of SMARTRA Harness Connector And Terminal 44 (A/T-GSL) Or 18 (M/T-GSL)
  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 signal harness.
  
  Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.