Hyundai i-30: Rear Corner Radar System / Rear Corner Radar Unit

Hyundai i30 (PD) 2018-2024 Service Manual / Advanced Driver Assistance System (ADAS) / Rear Corner Radar System / Rear Corner Radar Unit

Specifications
Specifications
Items
Blind-Spot Collision Warning (BCW)
Blind-Spot Collision- Avoidance Assist-Rear (BCA-R)
Rated voltage
 DC 12V
Operating voltage
 9V - 16V
Operating speed
 20 km/h - 255 km/h
 60 km/h - 200 km/h
Sensible distance
 70m
Curvature radius
 Start : More than 100m
 Start : More than 625m
Stop : Less than 70m
 Stop : Less than 588m
Frequency
 24 GHz
Numbers
 2EA

Items
Rear Cross-Traffic Collision Warning (RCCW)
Rear Cross-Traffic Collision- Avoidance Assist (RCCA)
Rated voltage
 DC 12V
Operating voltage
 9V - 16V
Operating speed
 0 km/h - 10 km/h
Sensible distance
 25m
Curvature radius
 -
Frequency
 24 GHz
Numbers
 2EA

Items
Safe Exit Assist (SEA)
Rated voltage
 DC 12V
Operating voltage
 9V - 16V
Operating speed
 0 km/h - 3 km/h
Sensible distance
 25m
Curvature radius
 -
Frequency
 24GHz
Numbers
 2EA

Schematic diagrams
Circuit Diagram
[5Door]

[Wagon]

[Fastback]

Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the rear bumper cover.
(Refer to Body - "Rear Bumper Cover")
3.
Remove the rear corner radar unit (A) after loosening the mounting nuts.

  
•
Be careful not to damage the bracket when removing the rear corner radar unit.
•
Radar does not work normally if the bracket is physically changed or damaged.
4.
Replace the bracket (A) when the bracket is physically changed or damaged.
Installation
1.
Install the rear corner radar unit and bracket.
Tightening torque :
bracket : 3.9 - 5.9 N
unit : 3.92 ± 0.105 N.m
2.
Install the rear bumper.
3.
Connect the negative (-) battery terminal.
  
•
Take care not to confuse left side (master) and right side (slave) unit when installing.
•
BCW units connector connect to the wiring connector.
4.
Perform "Correcting the Blind-Spot Radar Unit Angle" procedures.
5.
Perform "Rear Corner Radar Calibration" procedures.
Adjustment
Correction Overview
When you replace a rear corner radar bracket or components after a rear or side collision of a vehicle equipped with the rear corner radar system, you need to check if the mounting angle of the rear corner radar.
Check before Correction
1.
When a failure code [C2702 (Master)] or [C2703 (Slave)] occurs, check the following before performing correction.
2.
Check the vehicle condition and whether the BSD unit or bracket is deformed (mounting angle, twisted vehicle body, etc.).
Checking the Vehicle
Normal
 Abnormal (deformation of the bracket or bolted area)


Checking the Vehicle
Normal
 Abnormal (deformation of the bracket or bolted area)


3.
Check the nut tightening. Check if there is any foreign substance.
Checking the Vehicle
Normal
 Abnormal (deformation of the bracket or bolted area)


Correcting the Rear Corner Radar Unit Angle
1.
After replacing the rear corner radar unit or bracket, with the bumper removed, use the rear corner radar unit correction tool set (special tool : 09985-3T500) to perform angle correction.
  
•
Perform the task on a level place.
•
Perform the task after checking the tire pressure.
  
•
For the dealer who purchased the existing rear corner radar correction tool set (09958-3T000), refer to the instructions of the 17MY shop manual and repair it.
2.
Attach a vertical plumb (special tool : 09958-3T010) on the hood, and lower the plumb (A) to the ground so that it passes through the center of the emblem.

3.
Marking the center point below the plumb (A).
4.
Attach a vertical plumb (special tool : 09958-3T010) on the trunk (or tailgate), and lower the plumb (A) to the ground so that it passes through the center of the emblem.

5.
Marking the center point below the plumb (A).
6.
Marking the center of vehicle by a string.
1)
Pass the string through the bottom of the vehicle from the rear of the vehicle to the front and fix the string to the center point (A) of the front of the vehicle.
2)
Fix the string to the point (C) about 1.5 - 2m from the back of the vehicle so that it passes the rear center point (B).

7.
Mount the rear corner radar unit fixing adaptor (special tool : 09958-3T080) on the rear corner radar unit and fix the level laser (special tool : 09958-3T070).

  
•
When with the rear corner radar unit cover, remove the cover and then mount the fixing adapter (special tool: 09958-3T080).
8.
Measure the angle (C) between the center line (A) of the angle measuring plate and the horizontal laser beam (B) using a digital protractor (special tool : 09958-3T090).
Horizontal Angle (C)
5DR : 52° ± 3°
Wagon : 52° ± 3°
Fastback : 54° ± 3°

9.
Use a digital inclinometer (special tool : 09958-3T100) to measure the vertical angle of the rear corner radar unit.
Vertical Angle
5DR : 87° ± 1.5°
Wagon : 87° ± 1.5°
Fastback : 87° ± 1.5°

  
•
Digital inclinometer (09958-3T100) Vertical measurement angle (A) : 87°±1.5°

10.
Measure the horizontal and vertical angles of left and right rear corner radar units. If the measured values deviate from the specified values, insert a washer between the bracket of the rear corner radar unit.
Specified Values
Horizontal Angle
5DR : 87° ± 1.5°
Wagon : 52° ± 3°
Fastback : 54° ± 3°
Vertical Angle
5DR : 87° ± 1.5°
Wagon : 87° ± 1.5°
Fastback : 87° ± 1.5°

11.
After checking and correcting the rear corner radar unit angle, perform the rear corner radar correction procedure.
Diagnosis with Diagnostic tool
1.
Rear bumper accident vehicles and vehicles that replaced BCW units must perform BCW unit alignment using Diagnostic tool.
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.
Select the 'S/W Management' and 'Car model'.
4.
Select "Blind -Spot Collision Warning" and "BSD Radar Calibration".
5.
Perform the "BSD Radar Calibration" procedure according to the Diagnostic tool screen message.

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