Kia Rio: Inspection - Heated Oxygen Sensor (HO2S) - Engine Control System - Engine Control / Fuel System - Kia Rio UB 2012-2024 Service ManualKia Rio: 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”

Circuit Diagram
(M/T) (A/T) ...

Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the connector (A), and then remove the sensor ...

See also:

Special Service Tools
Tool (Number and name) Illustration Use 09977-25100 Disc & hub assembly bolt remover Removal and installation of disc & hub assembly ...

Thermostat: Removal
   Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency. ...

Fuel Pump Removal
1. Release the residual pressure in fuel line (Refer to the Fuel Delivery System - Repair Procedures - "Release Residual Pressure in Fuel Line"). ...

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