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DTC C1A50: Brake System [02/2014 - 11/2016]: Procedure

  1. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
    5. Check for DTCs.

      Chassis > ABS/VSC/TRAC > Trouble Codes 

      Result

      Result Proceed to
      Electronically controlled brake system DTCs are not output A
      Electronically controlled brake system DTCs are output B
    6. Turn the power switch off.

    Result:  2

    B 

    GO TO DTC CHART (ELECTRONICALLY CONTROLLED BRAKE SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2014 - 11/2016] 

    Result:  1

    A 

    See step  2

  2. CHECK FOR DTC (PRE-COLLISION 2) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - 11/2016]

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

      HINT: 

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

    5. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    6. Check for DTCs.

      Body Electrical > Pre-Collision 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
    7. Turn the power switch off.

    Result:  1

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [02/2014 - 11/2016] 

    Result:  2

    B 

    See step  3

  3. REPLACE SKID CONTROL ECU ASSEMBLY 
    1. Replace the skid control ECU assembly with a new one.

      Refer to REMOVAL [02/2014 - ]

    NEXT 

  4. CHECK FOR DTC (PRE-COLLISION 2) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - 11/2016]

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

      HINT: 

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

    5. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
    6. Check for DTCs.

      Body Electrical > Pre-Collision 2 > Trouble Codes 

      Result

      Result Proceed to
      DTC C1A50 is not output A
      DTC C1A50 is output B
    7. Turn the power switch off.

    Result:  1

    A 

    END (SKID CONTROL ECU ASSEMBLY WAS DEFECTIVE) 

    Result:  2

    B 

    REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  COMPONENTS [02/2014 - ] 

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