Hyundai Elantra (CN7): Rear Corner Radar System / Troubleshooting

Diagnosis with Diagnostic tool
1.
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 state
(3)
Actuation test : Checking the system operation condition
(4)
S/W Management : Controlling other features including system option setting and zero point adjustment
2.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel, and turn on the Diagnostic tool.
3.
If diagnose the vehicle by Diagnostic tool, select "DTC Analysis" and "Vehicle".

4.
If check current status, select the "Data Analysis" .

5.
Select "BCW", if you want to check current data of BCW system.

6.
If you want to check each module operation forcefully, select "Actuation test".

    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.

    Components1. Rear corner radar unit2. Speaker3. Warning indicator

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Ignition Switch Assembly. Repair procedures

    Repair procedures Replacement1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad")3.Remove the steering column upper & Lower shroud.4.Remove the ignition switch and disconnecting the Key Warning / immobilizer connector.

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

    Description and operation DescriptionThe compressor is the power unit of the A/C system.It is located on the side of engine block and driven by a V-belt of the engine.The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.

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