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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine Control System Diagnosis - 3.3L (1 Of 9)) >> DTC P0031-00: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> Wiring Inspection >> Control Circuit Inspection >> Check short to ground

Check short to ground

WARNING: This page is about a different variant/trim than selected.
  1. IG "OFF". Disconnect HO2S (B1/S1) connector.
  2. Measure resistance between control terminal of HO2S (B1/S1) heater harness connector and chassis ground.

    Specification:  Infinite

  3. Is the measured resistance within specification?

    YES 

    • Go to "Next" procedure.

    NO 

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