Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Manifold Catalytic Converter. The sensor output voltage varies in accordance with the air/fuel ratio.

The sensor must be hot in order to operate normally. To keep it hot, the sensor has a heater which is controlled by the ECM via a duty cycle signal. When the exhaust gas temperature is lower than the specified value, the heater warms the sensor tip.

Knock Sensor (KS). Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake ...

Heated Oxygen Sensor (HO2S). Specifications

Specification HO2S [Bank 1/Sensor 1] Item Specification Heater Resistance (Ω) 2.5 ~ 4.0 [20°C(68°F)] HO2S [Bank 1/Sensor 2 ...

See also:

Components and Components Location
Component Location 1. Power door mirror 2. Power door mirror switch ...

Clutch Cover And Disc. Repair procedures
Removal 1. Remove the transaxle assembly. (Refer to "Manual transaxle system" in MT group) 2. Remove the clutch cover bolts. No ...

Theft-alarm stage
The alarm will be activated if any of the following occurs while the system is armed. A door is opened without using the transmitter (or smart key or mechanical key). The trunk is opened wi ...