LKA/LDA SYSTEM, Diagnostic DTC:C1AA3

DTC Code DTC Name
C1AA3 Vehicle Speed Sensor Circuit

DESCRIPTION

The forward recognition camera receives vehicle speed signals from the skid control ECU (brake actuator assembly)*1 or skid control ECU assembly*2. If the skid control ECU (brake actuator assembly)*1 or skid control ECU assembly*2 receives a vehicle speed sensor malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA3 is stored.


DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA3 Vehicle Speed Sensor Circuit 2 seconds after the engine switch is turned on (IG), a signal from the skid control ECU (brake actuator assembly)*1 or skid control ECU assembly*2 indicating a malfunction in a vehicle speed sensor is detected by the forward recognition camera for 5 seconds or more. Electronically controlled brake system.

PROCEDURE


  1. CHECK ELECTRONICALLY CONTROLLED BRAKE SYSTEM


    1. Check the electronically controlled brake system.

      w/ Vacuum Brake Booster: Click here

      w/o Vacuum Brake Booster: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END