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Home >> Kia >> 2019 >> K900 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (7 Of 8) >> DTC P2237-00: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> Component Inspection
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Component Inspection

Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON", engine "ON".
HO2S#1 (B1/S1) connector 1 (Nernst Voltage) HO2S#1 (B1/S1) connector 3 (Virtual ground) Figure below
HO2S#1 (B1/S1) connector 4 (Trim Resister) HO2S#1 (B1/S1) connector 6 (Pumping Current)
G13134317Courtesy of KIA MOTORS AMERICA, INC.

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