DTC C1AA9: Front Camera Module Beam Axis Not Adjusted [01/2017 - 05/2023]: Procedure

HINT: 

Pre-collision system DTC C1AA9 may be stored due to a malfunction in the forward recognition camera system. Therefore, it is necessary to check for and troubleshoot forward recognition camera system DTCs first.

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [01/2017 - 05/2023]

   Chassis > Front Recognition Camera > Trouble Codes 

   Result

   Result	Proceed to
   Forward recognition camera system DTCs are not output	A
   Forward recognition camera system DTCs are output	B

Result: 

B 

GO TO FORWARD RECOGNITION CAMERA SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 05/2023] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [01/2017 - 05/2023]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

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 [01/2017 - 05/2023]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AA9 is not output	A
   DTC C1AA9 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 04/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [04/2020 - 05/2023] 

Result: 

B 

REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  REMOVAL [01/2017 - 05/2023]