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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Engine Control System Diagnosis - 1.6L (2 Of 3) (Except HEV)) >> DTC P0453: Evaporative Emission System-Pressure Sensor High Input >> Wiring Inspection >> Ground Circuit Inspection

Ground Circuit Inspection

WARNING: This page is about a different variant/trim than selected.
  1. IG KEY "OFF".
  2. Disconnect the FTPS connectors.
  3. IG KEY "ON" & ENG "OFF"
  4. Measure the voltage between power terminal of FTPS harness connector and chassis ground.(Measurement "A")
  5. Measure the voltage between power and ground terminals of FTPS harness connector.(Measurement "B")

    Specification:  Voltage difference between measurement "A" and "B" is below 200mV.

  6. Is the measured voltage within specification?

    YES 

    NO