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Home >> Hyundai >> 2019 >> Accent Limited >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System Diagnosis (1 Of 3) >> DTC P0136-00: O2 Sensor Circuit (Bank 1/Sensor 2) >> Component Inspection >> Visual Check
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Visual Check

  1. Turn the ignition switch "OFF" & Disconnect HO2S (S2) connector.
  2. Check that HO2S (S2) is contaminated or damaged by foreign materials.
  3. Has a problem been found?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector. Or, ECM memory was not cleared after repair. Thoroughly check connectors for looseness, poor connection, ending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification of Vehicle Repair ".

    NO 

    • Replace the HO2S (S2) with an usable one and check for proper operation. If the problem is corrected, replace the HO2S (S2) and then go to "Verification of Vehicle Repair ".
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