Kia Sorento: Heated Oxygen Sensor (HO2S) On Vehicle Inspection

On Vehicle Inspection

The engine control system can be more quickly diagnosed for problems with the KDS. (Refer to "DTC guide")

KDS provides the following information.

(1)	Self diagnosis : Checking failure and Diagnosis Trouble Code (DTC)

(2)	Data analysis : Checking the system input/output data state

(3)	Actuation test : Checking the system operation condition

(4)	Software Management : Controlling other features including system option setting and Zero-Adjustment

Component Inspection

1.	Disconnect the battery negative ( - ) terminal.

2.	Disconnect the Heated Oxygen Sensor (HO2S) connector.

Measure resistance between the HO2S terminals.

Front : Pin 4 to Pin 5

Rear : Pin 3 to Pin 4

Front

Engine Control / Fuel System — Engine Control System / Heated Oxygen Sensor (HO2S) / On Vehicle Inspection illustration

Rear

Engine Control / Fuel System — Engine Control System / Heated Oxygen Sensor (HO2S) / On Vehicle Inspection illustration

Compare the measured resistance with the specification.

Specification :

Front (Ω) : 2.8 - 4.5 [18 - 28°C (64.4 - 82.4°F)]

Rear (Ω) : 5.4 - 6.6 [18 - 28°C (64.4 - 82.4°F)]

Heated Oxygen Sensor (HO2S) Specifications Specification Item Specification Remark Heater resistan...

Special Service Tool Tool Name / Number Illustration Description Heated oxygen sensor socket wrench09392 - 1Y100 ...

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