Hyundai Elantra (CN7): Audio / Audio Remote Control

Hyundai Elantra (CN7) 2021-2026 Service Manual / Body Electrical System / Audio / Audio Remote Control

Components and components location

Components

1. Left Remote Control Switch (Audio + Bluetooth)

2. Right Remote Control Switch (Cruise + Trip)

Schematic diagrams

Circuit Diagram

[Without paddle shift]

[With paddle shift]

[Audio + B/Tooth]

[Audio + B/Tooth + Voice]

[Trip]

[Trip / Cruise]

[Trip + Cruise + LFA)

[Trip + Cruise + LFA + MSLA)

[Trip + Smart Cruise + LFA)

[Trip + Smart Cruise + LFA + MSLA)

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.

❮Antenna

Repair procedures InspectionGlass Antenna Test1.Wrap aluminum foil (A) around the tip of the tester probe (B) as shown.2.Touch one tester probe to the glass antenna terminal (A) and move the other tester probe along the antenna wires to check that continuity exists.

USB Jack❯

Description and operation DescriptionThe multimedia jack on the console upper cover is for customers who like to listen to external portable music players like the MP3 etc.

Other information:

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

TroubleshootingWireless Power Charger System Troubleshooting Trouble status Inspection item Inspection Not chargedCheck the mobile phone status R-1Amber LED blinks OvercurrentR-2OverheatingR-2Foreign matterR-2R-1.

Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

DescriptionRear Corner Radar is a system that measures the relative speed and distance from the following vehicles by using two electromagnetic wave radar sensors attached to the rear bumper, and detects any vehicle within the blind spot zone and gives off alarm.