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Home >> Hyundai >> 2019 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (3 Of 3) >> DTC P2626: O2 Sensor Pumping Current Trim Circuit/Open (Bank 1 Sensor 1) >> Wiring Inspection >> Current Adjust Circuit Inspection

Current Adjust Circuit Inspection

  1. IG "OFF" & Disconnect HO2S (S1) connector.
  2. Check resistance between Trim Resistor terminal of HO2S (S1) Connector and Trim Resistor terminal of ECM connector.

    Specification:  Below 1Ω

  3. Is the measured resistance within specification?

    YES 

    NO 

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