Signal Circuit Inspection

Check for short to battery in harness
1. Ignition "OFF"
2. Disconnect TPS connector.
3. Ignition "ON" & Engine "OFF"
4. Measure voltage between terminal "4" of the TPS harness connector and chassis ground.
  Specification: Aprrox. 0V
  
  Fig 1: Measuring Voltage Between Terminal "4" Of TPS 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 battery in signal haarness.
  - Repair or replace as necessary go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for open in harness
1. Ignition "OFF".
2. Disconnect TPS connector and PCM connector.
3. Measure resistance between terminal "4" of the TPS harness connector and "C8" of the PCM harness connector.
  Specification: Approx. Below 1Ω
  
  Fig 2: Measuring Resistance Between Terminal "4" Of TPS Harness Connector And "C8" 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 signal harness. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.