Inspection Procedure 4: FCM-LS does not operate normally. The RMS (Forward) does not operate normally.

PROBABLE CAUSES

Effects of bad weather
Effects of road conditions/surrounding environment
Effects of vehicle conditions
Effects of the covered lens part/area around the lens of the laser radar
Incorrect installing condition of the laser radar
Malfunction of the laser radar

DIAGNOSIS PROCEDURE

note

External factors and vehicle conditions greatly affect the operation of the FCM-LS and RMS (Forward). Thus, check if the conditions at occurrence of a malfunction are affected by external factors or vehicle conditions before performing the troubleshooting (Refer to ).
Diagnosis code No. C1753 may be set.

STEP 1. Check for dirt or foreign materials around the windshield and laser radar

Check if there is dirt, damage, or foreign materials around the windshield and laser radar.

Q. Is the check result normal?

Go to Step 2.

Remove or clean dirt, damage, or foreign materials.

STEP 2. Check the trouble symptom

Check if the laser radar can detect an object correctly by inspecting the laser radar.

Check the laser radar using the reflector (Refer to ).

Q. Is the check result normal?

End the failure diagnosis (The protection control has been activated due to a factor, such as weather or environment around the vehicle, and no failure has occurred).

Replace the laser radar (Refer to