Hyundai Elantra (CN7): Cruise Control System (CC) / 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.

    Schematic Diagrams

    Other information:

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

    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

    Hyundai Elantra (CN7) 2021-2026 Service Manual: General safety information and caution

    Instructions (R-134a)When Handling Refrigerant1.R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves. 2.It is standard practice to wear goggles or glasses to protect your eyes, and gloves to protect your hands.

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