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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System Diagnosis - 3.3L (6 Of 9)) >> DTC P0452-00: Evaporative Emission System-Pressure Sensor Low Input >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

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  1. IG "OFF".
  2. Disconnect the FTPS connectors.
  3. IG "OFF".
  4. Measure the voltage between signal terminal of FTPS harness connector and chassis ground.

    Specification:  Approx. 5V

  5. Is the measured voltage within specification?

    YES 

    NO