Description
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.
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Remove the intake manifold (Refer to “Intake ...
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.4 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2 ...
See also:
Knock Sensor (KS). Specifications
Specification
Item
Specification
Capacitance (pF)
950 ~ 1,350
Resistance (MΩ)
4.87
...
Cruise Control Switch
Schematic Diagrams
Circuit Diagram
...
Repair procedures
General Inspection
After or before servicing the EPS system, perform the troubleshooting
and test procedure as follows. Compare the system condition with normal condition
in the table below ...