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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (Engine Control System Diagnosis (PHEV) (08 Of 10)) >> DTC P2251-00: O2 Sensor Reference Ground Circuit-Open (Bank 1 Sensor 1) >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
 
  1. Engine "ON" (warm up condition).
HO2S (Bank1, Sensor1) connector 3 (virtual ground) HO2S (Bank1, Sensor1) connector 1 (voltage Nernst) Fig.1
HO2S (Bank1, Sensor1) connector 6 (current pump) HO2S (Bank1, Sensor1) connector 4 (current adjust)
G14960860Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good