Hyundai Elantra: 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 |
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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". 
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4. | If check current status, select the "Data Analysis" . 
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5. | Select "BCW", if you want to check current data of BCW system. 

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6. | If you want to check each module operation forcefully, select "Actuation test". 
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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:
The steering wheel audio control
switches are installed for your
convenience.
NOTICE
Do not operate audio remote control
buttons simultaneously.
VOLUME (VOL + / VOL -) (1)
Move the VOLUME toggle switch up
to increase volume.
Move the VOLUME toggle switch
down to decrease volume.
SEEK/PRESET (˄/˅
) (2)
• RADIO mode
It will function as the AUTO SEEK
select switch. It will SEEK unti..
Repair procedures
InspectionFront Washer Motor1.With the washer motor connected to the reservoir tank, fill the reservoir tank with water.
•
Before filling the reservoir tank with water, check the filter for foreign material or contamination. if necessary, clean the filter.2.Connect positive (+) battery cables to terminal 2 and negative (-) battery cab..