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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 125 (Engine Control System Diagnosis (1 Of 2) (HEV)) >> DTC P0450: Evaporative Emission System Pressure Sensor/Switch >> W/Harness Inspection >> Power supply circuit inspection

Power supply circuit inspection

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF"
  2. Disconnect NVLD connector.
  3. Ignition "ON" & Engine "OFF"
  4. Measure voltage between NVLD Power terminal of the NVLD harness connector and chassis ground.

    Specification:  B+

    Fig 1: Measuring Voltage Between NVLD Power Terminal Of NVLD Harness Connector And Chassis Ground
    G10606692Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Scantool Display - Signal Waveform Of NVLD
    G10606693Courtesy of HYUNDAI MOTOR AMERICA
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