Hyundai Santa Fe: Body Electrical System / Immobilizer System

Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the cover (A) by using a flat-tip screwdriver...

Description and operation

Description The immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft...

Other information:

Hyundai Santa Fe (TM) 2019-2025 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. It varies in accordance with the air/fuel ratio. The sensor must be hot in order to operate normally...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Schematic diagrams

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