Kia Soul: Heated Oxygen Sensor (HO2S). Description and Operation
Kia Soul 2014-2019 PS Service Manual / Engine Control / Fuel System / Engine Control System / Heated Oxygen Sensor (HO2S). Description and Operation
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.
Knock Sensor (KS). Knock Sensor (KS).
Removal
1.
Turn the ignition switch OFF and disconnect the battery negative
(-) cable.
2.
Remove the engine room under cover.
(Re ...
Heated Oxygen Sensor (HO2S). Specifications
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω)
2.4 ~ 4.0 [20°C(68°F)]
HO2S [Bank 1/Sensor 2]
A/F Ra ...
See also:
Rheostat Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad ...
Torque Converter Control Solenoid Valve (T/CON_VFS). Circuit Diagram
...
Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start
the engine). Any light that does not illuminate should be checked by an authorized
Kia dealer.
After starting the en ...