Hyundai Sonata LF: BLUE LINK / Components and Components Location

BLUE LINK

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Hyundai Sonata LF 2014-2019 Service Manual: General Information

General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Check the battery for damage, state of charge, and clean and tight connections. (Refer to Engine Electrical System - "Battery")     • Do not quick-charge a battery unless the battery ground cable has been disconnected, otherwise you will damage the alternator diodes...

Hyundai Sonata LF 2014-2019 Service Manual: 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...