DTC C1A11: Front Radar Sensor Incorrect Axial Gap [08/2017 - 08/2019]: Procedure

1. Check the operating conditions of the vehicle.

   HINT: 

   DTC C1A11 may be stored if the millimeter wave radar sensor assembly beam axis is temporarily misaligned due to the vehicle being overloaded.

   Result

   Result	Proceed to
   Vehicle is not overloaded or has been towed	A
   Vehicle is overloaded or has been towed	B

Result: 

B 

See step  9

Result: 

A 

See step  2

1. Check the wheel alignment (toe).

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - 08/2019]

   HINT: 

   DTC C1A11 may be stored if the millimeter wave radar sensor assembly beam axis is misaligned due to incorrect wheel alignment (toe).

   Result

   Result	Proceed to
   Wheel is misaligned (toe)	A
   Wheels are not misaligned (toe)	B

Result: 

B 

See step  6

Result: 

A 

See step  3

1. Adjust the alignment (toe) of the wheels.

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - 08/2019]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Perform millimeter wave radar sensor assembly adjustment.

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

   Result	Proceed to
   DTC C1A11 is not output	A
   DTC C1A11 is output	B

Result: 

A 

END 

Result: 

B 

See step  7

1. Check that the bracket of the millimeter wave radar sensor assembly is not deformed.

   HINT: 

   If the bracket is deformed, replace the millimeter wave radar sensor assembly.

   OK

   The bracket is not deformed.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

See step  4

Result: 

NG 

See step  7

1. Replace the millimeter wave radar sensor assembly.

   Refer to REMOVAL [08/2017 - ]

2. Adjust the millimeter wave radar sensor assembly.

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  8

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

END 

1. Return the vehicle to normal.
2. Perform millimeter wave radar sensor assembly adjustment.

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  10

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2017 - 08/2019]

   Result

   Result	Proceed to
   DTC C1A11 is not output	A
   DTC C1A11 is output	B

Result: 

A 

END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS MISALIGNED DUE TO THE VEHICLE BEING OVERLOADED OR TOWED) 

Result: 

B 

See step  11

1. Check the wheel alignment (toe).

   Refer to ADJUSTMENT [08/2017 - 08/2018] , or refer to ADJUSTMENT [08/2018 - 08/2019]

   HINT: 

   DTC C1A11 may be stored if the millimeter wave radar sensor assembly beam axis is misaligned due to incorrect wheel alignment (toe).

   Result

   Result	Proceed to
   Wheel is misaligned (toe)	A
   Wheels are not misaligned (toe)	B

Result: 

A 

See step  3

Result: 

B 

See step  7