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Home >> Kia >> 2016 >> Forte5 SX, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (1 Of 3) >> DTC P0135: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> Component Inspection
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Component Inspection

■ Perform HO2S(S1) Heater 

  1. Connect GDS to Data Link Connector (DLC).
  2. IG KEY "ON" & ENG "OFF".
  3. Perform "Actuation Test"  for HO2S(S1) Heater.
    Fig 1: Screen Display - HO2S(S1) Heater Actuation Test (1 Of 2)
    G11796360Courtesy of KIA MOTORS AMERICA, INC.
    Fig 2: Screen Display - HO2S(S1) Heater Actuation Test (2 Of 2)
    G11796361Courtesy of KIA MOTORS AMERICA, INC.

■ Inspection HO2S(S1) Heater 

  1. IG Key "OFF".
  2. Disconnect HO2S(S1) connector.
  3. Measure resistance between heater power and heater control terminal of the HO2S(S1) Heater. (Component Side)

    Specification:  Approx. 3.2Ω ± 0.8Ω at 20°C (68°F)

■ Confirm Part Inspection 

  1. Does the HO2S(S1) Heater work properly? (Check variation)

    YES 

    NO 

    • Substitute with a known-good HO2S(S1) and check for proper operation. If the problem is corrected, replace HO2S(S1) and then go to "Verification Of Vehicle Repair " procedure.