Hyundai Sonata: Immobilizer System - Body Electrical SystemHyundai Sonata: Immobilizer System

Auto Light Sensor. Repair procedures
Inspection In the state of IGN1 ON, when multi function switch module detects auto light switch on, tail lamp relay output and head lamp low relay output are controlled according to auto lig ...

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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 ...

Warnings and indicators
All warning lights are checked by turning the ignition switch ON (do not start the engine). Any light that does not illuminate should be checked by an authorized HYUNDAI dealer. After starting th ...

Description and Operation
Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes t ...