Signal Circuit Inspection

Check for open in signal circuit.
1. Ignition "OFF".
2. Disconnect ECM connector.
3. Measure resistance between terminals 3 of the FTPS harness connector and 34 of the ECM harness connector
  Specification: Approx. 0Ω
  
  Fig 1: Measuring Resistance Between Terminals 3 Of FTPS Harness Connector And 34 Of ECM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
4. Is resistance within the specification?
  YES:
  - Go to step 2.
  NO:
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
Check for short to ground in signal circuit.
1. Measure resistance between terminal 3 of the FTPS harness connector and chassis ground
  Specification infinite
2. Is resistance within the specification?
  YES:
  - Go to FUEL TANK PRESSURE SENSOR INSPECTION .
  NO:
  - Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.