Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2019 >> Accent SE, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> Wiring Inspection >> Current Pump Circuit Inspection

Current Pump Circuit Inspection

  1. Turn the ignition switch "OFF"
  2. Disconnect HO2S (S1) connector and ECM connector.
  3. Measure the resistance between both ends of the HO2S (S1) Current Pump terminal harness.

    Specification:  Approx. 0Ω.

  4. Is the measured resistance within specification?

    YES 

    NO