Code No.C1773: Alignment sensor too far (Left)



caution
  • When the FCM-ECU is replaced, calibrate the radar (refer to ).
note The radar may not function normally if foreign object or dirt (snow or ice) is adhered on the radar or its surrounding area, or the road condition is bad due to a severe weather (heavy rain or snow). In that case, the system will deactivate the FCM as system protection and display an alert message ("FCM RADAR BLOCKED") on the combination meter.

OPERATION


FCM-ECU monitors the radar calibration.

DIAGNOSIS CODE SET CONDITION


This diagnosis code is set when the abnormality below is detected:

note A diagnosis code is not set as a historic fault.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check the FCM-ECU radar for contamination.


Check the FCM-ECU radar for contamination.

Q. Is the FCM-ECU radar contaminated?

Clean the FCM-ECU radar, and then go to Step 2.
Go to Step 3.

STEP 2. Check whether the diagnosis code is set again.


Drive the vehicle at 15 km/h or more for approx. 30 minutes. Check whether the FCM-ECU sets any diagnosis code.

Q. Is diagnosis code No. C1773 set?

Go to Step 3.
This diagnosis is complete.

STEP 3. FCM-ECU radar calibration.


Perform calibration of FCM-ECU radar calibration (Refer to ).

Q. Has the calibration succeeded?

This diagnosis is complete.
Replace the FCM-ECU (Refer to ).





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