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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 112 (Engine Control System Diagnosis - 2.0L (1 Of 6)) >> DTC P0031-00: HO2S Heater Control Circuit Low (Bank 1/Sensor 1) >> Wiring Inspection >> Circuit Inspection

Circuit Inspection

WARNING: This page is about a different car, the 2021 Kia Soul. However, it is still accessible from the selected car via links, so may be relevant.
G13291222Courtesy of KIA MOTORS AMERICA, INC.
G13291223Courtesy of KIA MOTORS AMERICA, INC.
Inspection Condition (+) Probe (-) Probe Specification
Connector Terminal Connector Terminal
  1. Ignition "OFF".,
  2. Disconnect HO2S (Bank1, Sensor1) connector.
  3. Ignition "ON".
 HO2S (Bank1, Sensor1) connector 2 (power) Chassis ground - Approx. 12V
HO2S (Bank1, Sensor1) connector 5 (heater) Chassis ground - Approx. 2.5V
  1. Ignition "OFF".
  2. Disconnect the electrical connector(s) from the concerned component.
 HO2S (Bank1, Sensor1) connector 2 (power) Chassis ground - ∞ (infinity)Ω

Good 

  1. Go to "Component Inspection " procedure.

No Good 

  1. Repair or replace as necessary and then go to "Verification of Repair " procedure.
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