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Home >> Kia >> 2023 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (7 Of 9) >> DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> Component Inspection
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Component Inspection

Inspection Item Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
Oscilloscope (HO2S (Bank1, Sensor1))
  1. Engine "ON".
  2. Measure the waveform using VMI of KDS.
HO2S (Bank1, Sensor1) connector 3 (virtual ground) HO2S (Bank1, Sensor1) connector 6 (current pump) Fig.1 below
HO2S (Bank1, Sensor1) connector 1 (voltage nernst) HO2S (Bank1, Sensor1) connector 4 (current adjust)
G15807143Courtesy of KIA MOTORS AMERICA, INC.

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