Repair Procedures: Inspection
- Switch "OFF" the ignition.
- Disconnect the HO2S connector.
- Measure resistance between the HO2S terminals 4 and 5 [B1/S1].
Specification: 2.5 - 4.0Ω [20°C (68°F)]
- Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
Specification: Approx. 9.0 Ω [21°C (69.8°F)]
- Check that the resistance is within the specification.