Signal Circuit Inspection

Check for Short to Ground in Signal Circuit
1. IG KEY OFF.
2. Disconnect ETC connector and PCM connector.
3. Measure resistance between TPS1 signal terminal of ETC harness connector and chassis ground.
  Specification: Infinite
  
  Fig 1: Measuring Resistance Between TPS1 Signal Terminal Of ETC Harness Connector And Chassis Ground
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .
Check for Open in Signal Circuit
1. IG KEY OFF.
2. Disconnect ETC connector and PCM connector.
3. Measure resistance between both ends of TPS1 signal line.
  Specification: Below 1 Ω.
  
  Fig 2: Measuring Resistance Between Both ENDS Of TPS1 Signal Line
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within specification?
  YES
  - Go to next procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .