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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0032: HO2S Heater Control Circuit High (Bank 1/Sensor 1) >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.

■ Perform HO2S (S1) Heater Actuation Test 

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. ENG "RUN"
  3. Perform "ACTUATION TEST " for HO2S (S1) Heater.
Fig 1: Screen Display - Additive Correction For O2 Sensor Heaters B1S1 Actuation Test
G11833056Courtesy of KIA MOTORS AMERICA, INC.

■ Inspect HO2S (S1) Heater 

  1. IG Key "OFF".
  2. Disconnect HO2S (S1) connector.
  3. Measure resistance between Pin No. 2 (Power) terminal and Pin No. 5 (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 operate properly? (Check variation)

    YES 

    NO 

    • Carefully re-do this troubleshooting guide steps.
    • If problem still occurs, replace HO2S (S1) and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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