PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:C1A01

DTC Code DTC Name
C1A01 Driving Support ECU

DESCRIPTION

The driving support ECU uses the millimeter wave radar sensor to detect obstacles in front of the vehicle.

Based on this information, the driving support ECU calculates the risk of a collision and operates the pre-crash safety system when it determines that the risk is high.

DTC Code DTC Detection Condition Trouble Area
C1A01 While the initial check is running, the ignition switch is ON and the pre-crash safety system is operating, the driving support ECU detects an internal malfunction for 1 second. Driving support ECU

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC C1A01 is not output.
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE DRIVING SUPPORT ECU Click here

    C

    REPLACE DRIVING SUPPORT ECU Click here