Signal Circuit Inspection

Check for short to ground in harness.
1. Ignition "OFF"
2. Disconnect APS connector and PCM connector.
3. Measure resistance between terminal "3" of APS harness connector and chassis ground.
  Specification: infinite
  
  Fig 1: Measuring Resistance Between Terminal "3" Of APS Harness Connector And Chassis Ground
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications?
  YES
  - Go to "Check for open in harness" as below.
  NO
  - Check for short in signal harness, Repair replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF"
2. Disconnect APS connector and PCM connector.
3. Measure resistance between terminal "3" of APS harness connector and "C25" of PCM harness connector.
  Specification: Approx. below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal "3" Of APS Harness Connector And "C25" Of PCM Harness Connector
  Courtesy of KIA MOTORS AMERICA, INC.
4. Is the measured resistance within specifications?
  YES
  - Go to "COMPONENT INSPECTION " procedure.
  NO
  - Check for open in signal harness, Repair replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.