Hyundai Elantra AD: Ignition Switch Assembly - Body Electrical System - Hyundai Elantra AD 2017-2020 Service ManualHyundai Elantra AD: Ignition Switch Assembly

Repair procedures

Replacement
1. Disconnect the negative (-) battery terminal.
2. Remove the crash pad lower panel.

(Refer to Body - "Crash Pad")
3. Remove the steering column upper & Lower shroud.
4. Remove the ignition switch (A) and disconnecting the Key Warning / immobilizer connector.
5. If it is necessary to remove the key lock cylinder (A), remove the key lock cylinder (A) after pushing lock pin (B) with key ACC.
6. Installation is the reverse of removal procedure.
Inspection
1. Disconnect the ignition switch connector (A) and key warning switch connector (B) from under the steering column.
2. Check for continuity between the terminals.
3. If continuity is not specified, replace the switch.
Immobilizer System
Schematic Diagrams Circuit Diaram Description and Operation Description The immobilizer system will disable the vehicle unless the proper ignition key is used, ...