DYNAMIC RADAR CRUISE CONTROL SYSTEM, Diagnostic DTC:C1A50

DTC Code DTC Name
C1A50 Brake System

DESCRIPTION

When the driving support ECU receives an electronically controlled brake system of SFI system malfunction signal from the skid control ECU or ECM via the CAN communication line, DTC C1A50 is output.

DTC Code DTC Detection Condition Trouble Area
C1A50 When signal malfunction from skid control ECU or ECM continues for 2 sec. or more while dynamic radar cruise control is in operation

  • Electronically controlled brake system

  • SFI system

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs Click here.

      OK
      Electronically controlled brake system DTCs are not output.

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    OK

  2. CHECK FOR DTC (SFI SYSTEM)


    1. Check for DTCs.


      Result
      Result Proceed to
      DTCs are not output A
      DTCs are output (for 1UR-FSE) B
      DTCs are output (for 1UR-FE) C

    B

    GO TO SFI SYSTEM Click here

    C

    GO TO SFI SYSTEM Click here

    A

  3. CHECK FOR DTC


    1. Clear the DTC Click here.

    2. Check for DTC Click here.

      OK
      DTC C1A50 is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here