Signal Circuit Inspection

Check for open in signal circuit.
1. Measure resistance between terminals 1 of the sensor harness connector and 31 of the PCM harness connector.
  Specification: Approx. 0Ω
  
  Fig 1: Measuring Resistance Between Terminals 1 Of Sensor Harness Connector And 31 Of PCM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
2. Is resistance within the specification?
  YES
  - Go to next step as below
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.
Check for short to battery in signal circuit.
1. Ignition "ON" & Engine "OFF".
2. Measure voltage between terminals 1 of the sensor harness connector and 31 of the PCM harness connector.
  Specification: Approx. 0V
  
  Fig 2: Measuring Voltage Between Terminals 1 Of Sensor Harness Connector And 31 Of PCM Harness Connector
  Courtesy of HYUNDAI MOTOR CO.
3. Is voltage within the specification?
  YES
  - Go to TERMINAL AND CONNECTOR INSPECTION procedure.
  NO
  - Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR procedure.