HO2S Downstream (S2) Heater Inspection
- Ignition Key "OFF".
- Disconnect HO2S downstream (S2) connector.
- Measure resistance between Pin No. 3 (Power) terminal and Pin No. 4 (Control) terminal of the HO2S downstream (S2) heater. (Component Side)
Specification: Approx. 9.0Ω [20°C (68°F)]