| Specification |
| A/F Ratio (λ) | Output Voltage(V) |
| RICH | Min. 0.8 |
| LEAN | Max. 0.1 |
| Item | Specification |
| Heater Resistance (Ω) | 3.3 ~ 4.1[20°C(68°F)] |
Description Heated Oxygen Sensor (HO2S) consists of the zirconium and the alumina and is installed on upstream and downstream of the Warm-up Catalytic Converter (WCC).
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower unit.(Refer to HA group – heater unit). 3. Remove the blower unit (A) from the heater unit after loosening a mounting bolt and 3 screws. Make sure that there is no air leaking out of the blower and duct joints.
Inspection 1. Ignition "ON" 2. Manually operate the control switch and measure the voltage of blower motor. 3. Select the control switch to raise voltage until high speed. Specification FanMotor VoltageManualFirst speed3.8 ±0.5VSecond speed5.