Kia Optima: Heated Oxygen Sensor (HO2S). Repair procedures

Heated Oxygen Sensor (HO2S). Schematic Diagrams

Circuit Diagram ...

Inspection

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

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Installation
1. Installation is the reverse order of removal. ...

Repair procedures
On-vehicle Inspection Spark Test 1. Disconnect the ignition coil connectors (A). 2. Remove the ignition coils (A). ...

Description and Operation
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