| 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].
DescriptionThe PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of the heater core.The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective hybrid engine.
RemovalWarning Indicator1.Disconnect the negative (-) battery terminal.2.Remove the mirror (A).InstallationWarning Indicator1.Install the outside mirror.2.Connect the negative (-) battery terminal.Inspection1.Apply battery voltage to each terminal as shown in the table and verify that the mirror operates properly.