Hyundai Elantra (CN7): Body Electrical System / Immobilizer System
Components and components location Component Repair procedures Removal1.Disconnect the negative(-) battery terminal.2.Remove the AVN Head unit.
DescriptionThe 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 Elantra (CN7) 2021-2026 Service Manual: Description and operation
DescriptionSystem OverviewThe System offers the following features:– Human / machine interface through a 1-stage button, for terminal switching and engine start.– Control of external relays for ACC / IGN1 / IGN2 terminal switching and STARTER, without use of mechanical ignition switch.
Hyundai Elantra (CN7) 2021-2026 Service Manual: Auto Defogging Sensor
Description DescriptionThe auto defogging sensor is installed on the front window glass. The sensor judges and sends signal if moisture occurs to blow out wind for defogging. The air conditioner control module receives signal from the sensor and restrains moisture and eliminate defog by controlling the intake actuator, A/C, auto defogging actuat
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