| Circuit Diagram |

SpecificationHO2S [Bank 1 / Sensor 1] Item Specification Heater Resistance (Ω)2.4 - 4.0 [20°C (68°F)]HO2S [Bank 1 / Sensor 2] (Binary Type) A/F Ratio (λ) Output Voltage (V) RICH0.
Inspection1.Turn the ignition switch OFF.2.Disconnect the HO2S connector.3.Measure resistance between the HO2S terminals 2 and 5 [B1/S1].4.Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
DescriptionIn ordinary cars, the mechanical water pump mounted on the engine for heating purposes is activated to circulate the cooling water, but in hybrid cars, AEWP is used to circulate the cooling water when the engine is not operating. Classification System Cooling water used
C