Signal Circuit Inspection

Check for Short to Power in Signal Circuit
1. IG KEY OFF.
2. Disconnect ETC connector.
3. IG KEY ON.
4. Measure voltage between TPS1 signal terminal of ETC harness connector and chassis ground.
  Specification: Approx. 4 V
  
  Fig 1: Measuring Voltage Between TPS1 Signal Terminal Of ETC Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
5. Is voltage within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .