Components Inspection
- Switch "OFF" the ignition.
- Disconnect the HO2S connector.
- Measure resistance between the HO2S terminals 2 and 5 [Front]
Measure resistance between the HO2S terminals 3 and 4 [Rear]
- Check that the resistance is within the specification.
Specification:
Front heated oxygen sensor: 2.8 - 4.5 Ω
Rear heated oxygen sensor (HO2S): 5.4 - 6.6 Ω