PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A50

DESCRIPTION

When the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU assembly via CAN communication, DTC C1A50 is stored.

PROCEDURE

1. CHECK FOR DTCs (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)

   
   

   1. Connect the GTS to the DLC3.

   2. Turn the power switch on (IG).

   3. Turn the GTS on.

   4. Enter the following menus: Chassis / ABS/VSC/TRC / Trouble Codes.

   5. Check for DTCs.

      Click here

      
      Chassis > ABS/VSC/TRC > Trouble Codes

      Result
      Result Proceed to Electronically controlled brake system DTCs are not output A Electronically controlled brake system DTCs are output B

   
   

   B

   GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

   A

2. CHECK FOR DTCs (PRE-CRASH 2)

   
   

   1. Clear the DTCs.

      Click here

      
      Body Electrical > Pre-Crash 2 > Clear DTCs

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

      Tech Tips

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

   3. Check for DTCs.

      Click here

      
      Body Electrical > Pre-Crash 2 > Trouble Codes

      Note

      When replacing the driving support ECU assembly, always replace it with a new one. If a driving support ECU assembly which was installed to another vehicle is used, the information stored in the driving support ECU assembly will not match the information from the vehicle. As a result, a DTC may be stored.

      Result
      Result Proceed to DTC C1A50 is not output A DTC C1A50 is output B

   
   

   A

   USE SIMULATION METHOD TO CHECK Click here

   B

   REPLACE DRIVING SUPPORT ECU ASSEMBLY Click here