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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System Diagnosis (PHEV) (01 Of 10)) >> DTC P0031-00: HO2S Heater Control Circuit Low (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 Inspection Procedure Reference
  1. Engine "ON".
  1. Connect KDS to "Data Link Connector (DLC)".
  2. Perform "Actuation Test" of concerned component with KDS.
Fig.1
G14960334Courtesy of KIA MOTORS AMERICA, INC.

Good 

No Good 

HO2S (Bank1, Sensor1) Heater Inspection
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
HO2S (Bank1, Sensor1) (component side) 2 (power) HO2S (Bank1, Sensor1) (component side) 5 (heater) Approx. 2.5Ω at 20°C (68°F)

Good 

No Good