DTC C1A11-00: Front Radar Sensor Optical Axis Misalignment Malfunction [05/2019 - ]: Procedure

WARNING: This page is about a different car, the 2021 Lexus NX 300h, 2020 Lexus NX 300h, and 2019 Lexus NX 300h. However, it is still accessible from the selected car via links, so may be relevant.

ADJUST MILLIMETER WAVE RADAR SENSOR ASSEMBLY

Perform millimeter wave radar sensor assembly beam axis adjustment.

Refer to ADJUSTMENT [05/2019 - ]

Result

Proceed to
NEXT

Result:

See step 2

CHECK FOR DTC

Clear the DTCs.
Refer to DTC CHECK / CLEAR [05/2019 - ]

Body Electrical > Front Radar Sensor > Clear DTCs
Make sure that the DTC detection conditions are met.
HINT:

If the detection conditions are not met, the system cannot detect the malfunction.

Check for DTCs.

Refer to DTC CHECK / CLEAR [05/2019 - ]

Body Electrical > Front Radar Sensor > Trouble Codes

DTC C1A1100 is not output.

Result

Proceed to
OK
NG

Result:

END (OPTICAL AXIS ADJUSTMENT WAS DEFECTIVE)

Result:

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to REMOVAL [05/2019 - 07/2020] , or refer to REMOVAL [07/2020 - ]