Hyundai Elantra (CN7): Driver Parking Assistance System / Troubleshooting

Hyundai Elantra (CN7) 2021-2026 Service Manual / Advanced Driver Assistance System (ADAS) / Driver Parking Assistance System / Troubleshooting

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 "ADAS_PRK", if you want to check current data of Driver parking assistance system.

Variant Coding Procedures
1.
Connect the cable of Diagnostic tool to the data link connector in driver side crash pad lower panel, and turn on the Diagnostic tool.
2.
Select the 'S/W Management' and 'Car model'.

3.
Select the 'Advanced Driver Assistance Systems_Parking' and Variant Coding.

    DescriptionADAS_PRK is a unit that controls the functions required for ADAS parking. If the ADAS_PRK is applied, the parking distance warning function is also controlled by the ADAS_PRK.

    Components and components location Components and Components Location Repair procedures Removal    â€¢ Use a plastic panel removal tool to remove interior trim pieces without marring the surface.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Antenna Coil

    Repair procedures Removal1.Disconnect the negative (-) battery terminal.2.Remove the crash pad lower panel.(Refer to Body - "Crash Pad Lower Panel")3.Remove the steering column shroud panel.(Refer to Body - "Steering Column Shroud Panel")4.Disconnect the immobilizer connector (A) and press the locking pin (B) using an awl.

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

    Repair procedures Oil Specification1.The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.2.Compressor (PAG) oil varies according to compressor model. Be sure to use oil specified for the model of compressor.

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