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Home >> Kia >> 2021 >> Soul X Line >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (2 Of 6) >> DTC P0140-00: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) >> Component Inspection
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Component Inspection

Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Engine "ON" (Warm up condition).
 HO2S (Bank1, Sensor2) connector 2 (ground) HO2S (Bank1, Sensor2) connector 1 (signal) Fig. 1
HO2S (Bank1, Sensor2) connector 3 (power) HO2S (Bank1, Sensor2) connector 4 (heater)
G13291467Courtesy of KIA MOTORS AMERICA, INC.

Good 

  1. Go to "Verification of Repair " procedure.

No Good 

  1. Carefully re-do this troubleshooting guide steps.
  2. If no problems were found with the circuits or connectors, replace the HO2S (Bank1, Sensor2) and go to "Verification of Repair " procedure.
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