DTC C1AA0: Front Camera Module Circuit [09/2015 - 08/2019]: Procedure

HINT: 

Pre-collision system DTC C1AA 0 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 [09/2015 - 08/2019]

   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 [09/2015 - 08/2019] 

Result: 

A 

See step  2

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2015 - 08/2019]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Turn the engine switch on (IG) and wait 0.3 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2015 - 08/2019]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AA 0 is not output	A
   DTC C1AA 0 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - 08/2016]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 12/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 08/2019] 

Result: 

B 

See step  3

1. Replace the driving support ECU assembly.

   Refer to REMOVAL [09/2015 - 08/2016] , or refer to REMOVAL [08/2016 - 08/2019]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2015 - 08/2019]

   Body Electrical > Pre-Collision 2 > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Turn the engine switch on (IG) and wait 0.3 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2015 - 08/2019]

   Body Electrical > Pre-Collision 2 > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AA 0 is not output	A
   DTC C1AA 0 is output	B

Result: 

A 

END (DRIVING SUPPORT ECU ASSEMBLY WAS DEFECTIVE) 

Result: 

B 

REPLACE FORWARD RECOGNITION CAMERA. Refer to  COMPONENTS [09/2015 - 08/2019]