Hyundai Elantra (CN7): Button Engine Start System / Start/Stop Button

Components and components location

Component

Repair procedures

Removal
1.
Disconnect the negative(-) battery terminal.
2.
Remove the AVN Head unit.
(Refer to Body Electrical System - "AVN(Audio Video Navigation) head unit")
3.
Loosen the mounting screws and remove the start/stop button (A).

Installation
1.
Install the start/stop button.
2.
Install the AVN head unit.
3.
Connect the negative (-) battery terminal.

    Component Location1. Smart key unit (IBU)2. Interior antenna 23. outside door handle4. Interior antenna 15. FOB Key6. Door antenna1. Bumper antenna2. Trunk antenna

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Heater & A/C Control Unit (DATC)

    Components and components location Components[This illustration shows the LHD type. RHD type is symmetrical.][Connector A] Pin No Function Pin No Function 1Battery9IGN22ILL+ (TAIL)10ISG Battery (+)3-11IGN14LIN BUS12HTD5-13-6-14-7-15-8RHEO (

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures

    Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.11 kΩMODE2.11 kΩMUTE3.11 kΩVolume (+)4.

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