Hyundai Elantra (CN7): Engine Electrical System / Special service tools

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: Ignition Switch Assembly. Repair procedures

Repair procedures Replacement1.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 and disconnecting the Key Warning / immobilizer connector.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Troubleshooting

Diagnosis with Diagnostic tool1.In the body electrical system, failure can be quickly diagnosed by using the vehicle diagnostic system (Diagnostic tool).The diagnostic system (Diagnostic tool) provides the following information.(1)Fault Code Searching : Checking failure and code number (DTC)(2)Data Analysis : Checking the system input/output data s