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 No. DTC Detection Condition Trouble Area
C1A01 When the power switch is on (IG), the driving support ECU detects an internal malfunction for approx. 1 second. Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (PRE-CRASH SAFETY SYSTEM)


    1. Using the intelligent tester, enter the following menus: Body / Pre-Crash 2 / Trouble Codes.

    2. Clear the DTCs Click here.

    3. Recheck for DTCs.

      OK
      DTC C1A01 is not output.

    NG

    REPLACE DRIVING SUPPORT ECU Click here

    OK

    CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) Click here