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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC P0532: A/C Refrigerant Pressure Sensor 'A' Circuit Low Input >> W/Harness Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check for Short to Ground in Signal Circuit 

  1. IG KEY OFF.
  2. Disconnect PCM and A/C pressure sensor harness connector.
  3. Measure resistance between signal terminal of A/C pressure S. harness connector and chassis ground.

    Specification:  Infinite

    Fig 1: Measuring Resistance Between Signal Terminal Of A/C Pressure Sensor Harness Connector And Chassis Ground
    G10606754Courtesy of HYUNDAI MOTOR AMERICA
  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO 

■ Check for Open in Signal Circuit 

  1. IG KEY OFF.
  2. Disconnect A/C pressure sensor harness connector.
  3. Measure resistance between both ends of signal line.

    Specification:  Below 1Ω

    Fig 2: Measuring Resistance Between Both Ends Of Signal Line
    G10606755Courtesy of HYUNDAI MOTOR AMERICA
  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO 

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