Oxygen Sensor: Service and Repair

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 section.