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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0135-00: O2 Sensor Heater Circuit (Bank 1/Sensor 1) >> Wiring Inspection >> Circuit Inspection
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Circuit Inspection

Item Normal value Prerequisite condition (+) Probe (-) Probe
Power Circuit: Voltage Battery Voltage
  1. Ignition switch: ON
  2. Sensor connector: Disconnected
Power Terminal Chassis ground
Control Circuit: Voltage Approx. 3.5V
  1. Ignition switch: ON
  2. Sensor connector: Disconnected
Control Terminal Chassis ground
  1. Is the result within specifications?

    YES 

    • Go to next step as below.

    NO