LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2009 >> Optima EX, 2.4 3 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L >> Heated Oxygen Sensor (Ho2S) >> Repair Procedures >> Component Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Inspection

  1. Disconnect the HO2S connector.
  2. Measure resistance between HO2S heater terminals 3 and 5 [B1/S1].
  3. Measure resistance between HO2S heater terminals 3 and 4 [B1/S2].
  4. Check that the resistance is within the specification.

    Specification:  Refer to SPECIFICATION .