Kia Optima: Inspection - Heated Oxygen Sensor (HO2S). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2020 Service ManualKia Optima: Inspection

1. Turn the ignition switch OFF.
2. Disconnect the HO2S connector.
3. Measure resistance between the HO2S terminals 4 and 5 [B1/S1].
4. Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
5. Check that the resistance is within the specification.

Specification: Refer to “Specification”


Heated Oxygen Sensor (HO2S). Repair procedures
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Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the connector (A), and then remove the sensor (B). ...

See also:

Components Operations
PCM (Power Train Control Module) 1. The PCM(ECM) (A) carries out a check of the ignition key using a special encryption algorithm, which is programmed into the transponder as well as ...

Disassembly
- Do not work in a dusty or dirty place. - Do not touch the circuit board with ...

Automatic turn off function
The interior lights automatically turn off approximately 20 minutes after the ignition switch is turned off. If your vehicle is equipped with the theft alarm system, the interior lights automatic ...

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