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: Blower Resistor (Manual)

Repair procedures Inspection1.Measure the resistance between the terminals.2.The measured resistance is not within specification, the blower resistor must be replaced. (After removing the resistor)Replacement1.Disconnect the negative (-) battery terminal.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Parking Collision-Avoidance Assist (PCA)

Components and components location Components and Components Location Schematic diagrams Schematic DiagramsParking Collision-Avoidance Assist (PCA) Ultrasonic sensorParking Collision-Avoidance Assist (PCA) Rear view camera Repair procedures RemovalParking Collision-Avoidance Assist (PCA) Unit1.

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