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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0237: Turbocharger/Supercharger Boost Sensor 'A' Circuit Low >> Wiring 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 harness 

  1. IG "OFF".
  2. Disconnect BPS and PCM connector.
  3. Measure the resistance between signal terminal of BPS harness connector and chassis ground.

    Specification:  Infinite

  4. Is the measured resistance within specification?

    YES 

    • Go to next step below.

    NO 

■ Check for open in signal harness 

  1. IG "OFF".
  2. Disconnect BPS and PCM connector.
  3. Measure the resistance between signal terminal of BPS and PCM.

    Specification:  Approx. 0 Ω

  4. Is the measured resistance within specification?

    YES 

    NO