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Home >> Kia >> 2010 >> Rio Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC P0141: O2 Sensor Heater Circuit (Sensor 2) >> Inspection/Repair >> W/Harness Inspection >> Control Circuit Inspection
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Control Circuit Inspection

  1. IG "OFF".
  2. Disconnect HO2S (B1S2) connector.
  3. IG "ON" & ENG "OFF"
  4. Measure voltage between terminal 3 of HO2S (B1S2) harness connector and chassis ground.
    1. Specification : Approx. 3.5V
      Fig 1: Measuring Voltage Between Terminal 3 Of HO2S (B1S2) Harness Connector And Chassis Ground
      G06830602Courtesy of KIA MOTORS AMERICA, INC.
  5. Is the measured voltage within specification?

    YES

    1. Go to "COMPONENT INSPECTION " procedure.

    NO

    1. Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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