LANE DEPARTURE ALERT SYSTEM(w/ Steering Control), Diagnostic DTC:C1AAC

DESCRIPTION

When the forward recognition camera is replaced with a new one, the new forward recognition camera attempts to store the vehicle information received from the ECM. If the vehicle information stored in the forward recognition camera is different from that stored in the ECM, DTC C1AAC is stored.

CAUTION / NOTICE / HINT

PROCEDURE

1. Click here

   CHECK FOR DTCs (CAN COMMUNICATION DTC OUTPUT)

   Tip:

   The forward recognition camera communicates with the ECM via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding.

   
   

   1. Check for DTCs.

      Click here

      
      
      1. Chassis > LKA/LDA > Trouble Codes
      2. 
         
      3. 
         

      Result
      Result Proceed to DTC U0100 is not output A DTC U0100 is output B

   
   
   • AClick here
   • B

     GO TO CAN COMMUNICATION SYSTEMClick here

2. Click here

   READ VALUE USING GTS

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the engine switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Chassis / Front Recognition Camera / Data List.

   5. Read the Data List according to the display on the GTS.

      
      
      1. Chassis > Front Recognition Camera > Data List

         Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
         Vehicle Information (2WD/4WD)	Vehicle information	2WD, 4WD or Unknown	2WD: for 2WD 4WD: for AWD Unknown: Vehicle information not confirmed	-
         Vehicle Information (Conv/HV)	Vehicle information	Conv, HV or Unknown	Conv: Conventional HV: Hybrid vehicle Unknown: Vehicle information not confirmed	-

      2. 
         
         10. 
             
         11. 
             
      
      
      1. Chassis > Front Recognition Camera > Data List

         Tester Display
         Vehicle Information (2WD/4WD)
         Vehicle Information (Conv/HV)

      2. 
         
         1. 
            
      3. 
         
         10. 
             
         11. 
             
      Tip:
      

      • The vehicle information stored in the forward recognition camera is displayed on the Data List.

      • If the vehicle information stored in the forward recognition camera is different from the actual vehicle specifications, the vehicle information stored in the forward recognition camera may be incorrect. Check for DTCs and replace the forward recognition camera if necessary.

      • If the vehicle information stored in the forward recognition camera matches the actual vehicle specifications, the installed ECM is incompatible. Replace the ECM with a correct one.

      Result
      Result Proceed to Vehicle information stored in forward recognition camera and actual vehicle specifications do not match A Vehicle information stored in forward recognition camera and actual vehicle specifications match B

   
   
   • AClick here
   • B

     REPLACE ECMClick here

3. Click here

   CHECK FOR DTCs (LANE DEPARTURE ALERT SYSTEM (w/ Steering Control))

   
   

   1. Clear the DTCs.

      Click here

      
      
      1. Chassis > LKA/LDA > Clear DTCs
      2. 
         
      3. 
         

   2. Perform the following procedure.

      Tip:

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

      
      

      1. Turn the engine switch on (IG) and wait 2 seconds or more.

   3. Check for DTCs.

      Click here

      
      
      1. Chassis > LKA/LDA > Trouble Codes
      2. 
         
      3. 
         

      Result
      Result Proceed to DTC C1AAC is not output A DTC C1AAC is output B

   
   
   • A

     USE SIMULATION METHOD TO CHECKClick here

   • B

     REPLACE FORWARD RECOGNITION CAMERAClick here