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Home › Hyundai › 2011 › Equus Signature › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 3) › DTC P0136: O2 Sensor Circuit (Bank 1/Sensor 2) › Scantool Diagnostics › Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to DLC (Data Link Cable).
  2. Warm up the engine to normal operating temperature.
  3. Monitor "HO2S" parameter on GDS.
    Fig 1: Normal Graph Of Front HO2S And Rear HO2S At Idle
    G07305829Courtesy of HYUNDAI MOTOR CO.
  4. Is parameter displayed within specifications?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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