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

Hyundai Elantra (CN7) 2021-2026 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

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

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.

❮Front Radar Unit

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.

Cruise Control System (CC)❯

Other information:

Hyundai Elantra (CN7) 2021-2026 Service Manual: A/C Pressure Transducer

Description and operation DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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