LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2013 >> Tucson GL, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0135: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> Inspection Repair >> W/Harness Inspection >> Control Circuit Inspection
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Control Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect HO2S connector.
  3. Ignition "ON" & Engine "OFF".
  4. Measure voltage between Heater Control terminal of the HO2S harness connector and chassis ground.

    Specification:  4-5 V

    Fig 1: Measuring Voltage Between Heater Control Terminal Of HO2S Harness Connector And Chassis Ground
    G06871589Courtesy of HYUNDAI MOTOR CO.
  5. Is voltage within the specification?

    YES 

    NO 

    • Repair as necessary and go to VERIFICATION OF VEHICLE REPAIR .
      NOTE: HO2S must have a clean air reference to function properly. The air is obtained by way of the sensor wire(s). Do not attempt to repair the wire(s), connector, or the terminals.
scientia non olet · About LEMON Manuals