Hyundai Elantra (CN7): Front Radar System / Smart Cruise Control (SCC) Switch

Hyundai Elantra (CN7) 2021-2025 Service Manual / Advanced Driver Assistance System (ADAS) / Front Radar System / Smart Cruise Control (SCC) Switch

Schematic diagrams

Circuit Diagram
TRIP / SCC / LFA

Repair procedures

Inspection
1.
Check for resistance between terminals in each switch position (LH).

[LH : Audio + Hands free]
Switch
Resistance (±5%)
SEEK Up
430 Ω
SEEK Down
1.11 kΩ
MODE
2.11 kΩ
MUTE
3.11 kΩ
Volume (+)
4.61 kΩ
Volume (-)
6.81 kΩ
Voice
10.71 kΩ
SEND
18.91 kΩ
END
40.91 kΩ

2.
Check for resistance between terminals in each switch position (RH).

[Cruise]
Switch
Resistance (±3%)
Paddle shift (Up)
390 Ω
Cruise CANCEL
610 Ω
Cruise SET&Speed down
910 Ω
Cruise RES&Speed up
1.38 kΩ
Cruise ON/OFF
2.13 kΩ
Cruise speed limit ON/OFF
3.63 kΩ
SCC distance adjustment
7.63 kΩ

[Trip]
Switch
Resistance (±3%)
Paddle shift (Down)
390 Ω
Trip group/Trip
610 Ω
Trip (Up)
910 Ω
Trip (Down)
1.38 kΩ
OK
2.13 kΩ
BACK
3.63 kΩ
LFA
7.93 kΩ

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the steering wheel assembly.
(Refer to Steering System - "Steering Wheel")
3.
Remove the steering back cover (A).

4.
Remove the steering remote control connector (A).

5.
Remove the steering remote control(Switch (A)) after loosening the screws.

Installation
1.
Install the steering wheel remote control after connecting the connector.
2.
Install the steering wheel.
3.
Connect the negative (-) battery terminal.

    Components and components location Components Location1. Front rader unit Specifications Specification Item Specification Power supply (V)12Operation voltage (V)9 - 16 Schematic diagrams Circuit DiagramTerminal function Pin No Terminal function 1GROUND2L-CAN HIGH3L-CAN LOW4C-CAN HIGH5C-CAN LOW6IGN Repair procedures InspectionInspection procedure for vehicle with Forward Collision-Avoidance Assist and Smart Cruise Control system failure 1.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 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) 2021-2025 Service Manual: Specification

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