MRCC/SBS/DRSS MIS-OPERATION [VEHICLE CONTROL MODULE (V/C-MODULE)]
id0103g5010500
Description
|
MRCC/SBS/DRSS MIS-OPERATION
|
• The system operates on a vehicle traveling in the adjacent drive lane.
• System operates on objects not within the millimeter wave emission range of the radar sensors.
|
|
Possible Causes
|
• Radar sensor and radiator grille ornament soiling, scratches, or loss
• Radar axis deviation due to impact around radar sensor
• Radar axis deviation due to poor radar sensor installation
• Aiming adjustment not implemented
• Poor radar sensor
• DSC HU/CM malfunction
• SAS control module malfunction
• Vehicle control module malfunction
• Explain that the system may temporarily mis-operate due to the following causes.
|
Diagnostic Procedure
Step |
Inspection |
Action |
|
---|---|---|---|
1
|
VERIFY CENTER DISPLAY INDICATION
• Is “SBS, MRCC, DRCC Radar Malfunction” displayed in the center display?
|
Yes
|
Go to the next step.
|
No
|
Go to Step 3.
|
||
2
|
VERIFY AREA AROUND RADAR SENSOR
• Visually inspect the surface of the radar sensor or front bumper.
• Any of the following conditions:
|
Yes
|
• Clean and remove foreign matter from the radar sensors and surface of the front bumper (reflecting object), and verify the indication in the active driving display.
“SBS, MRCC, DRCC Radar Malfunction” is not displayed
• System is normal.
(Mis-operation due to soiling or foreign matter (reflecting object) on radar sensors or front bumper surface.)
“SBS, MRCC, DRCC Radar Malfunction” is displayed
• Replace the radar sensor.
|
No
|
Go to the next step.
|
||
3
|
VERIFY RADAR SENSOR BRACKET
• Verify that there is no bending or damage on the radar sensor bracket.
• Is there bending or damage on the radar sensor bracket?
|
Yes
|
Replace the radar sensor bracket and perform the aiming adjustment.
|
No
|
Go to the next step.
|
||
4
|
PERFORM RADAR SENSOR AIMING ADJUSTMENT
• Perform the radar sensor aiming adjustment.
• Perform the DTC inspection using the M-MDS.
• Is DTC C1A67:54 displayed?
|
Yes
|
Perform inspection for DTC C1A67:54
|
No
|
• A temporary system malfunction can be considered.
• Refer to the possible malfunctions and explain to the customer that there is no malfunction.
• If the malfunction recurs, replace the radar sensor.
|