PRE-COLLISION SYSTEM(for Mono Camera Type), Diagnostic DTC:C1A46

DTC Code DTC Name
C1A46 Yaw Rate Sensor

DESCRIPTION

The driving support ECU assembly receives yaw rate sensor signals from the yaw rate sensor and skid control ECU assembly via CAN communication. If the driving support ECU assembly receives a yaw rate sensor malfunction signal from the yaw rate sensor or skid control ECU assembly, DTC C1A46 will be stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1A46 Yaw Rate Sensor

  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor malfunction signal from yaw rate sensor for approximately 10 seconds or more.

  • While the vehicle is being driven at a speed of 5 km/h (4 mph) or more, the driving support ECU assembly receives a yaw rate sensor zero point malfunction signal from skid control ECU assembly for approximately 10 seconds or more.

 Electronically controlled brake system
DTC Detection Conditions:
Vehicle Condition
Pattern 1 Pattern 2
Malfunction Status Vehicle is being driven at a speed of 5 km/h (3 mph) or more ○ ○
Driving support ECU assembly receives a yaw rate sensor malfunction signal from yaw rate sensor ○ -
Driving support ECU assembly receives a yaw rate sensor zero point malfunction signal from skid control ECU assembly - ○
Detection Time Approximately 10 seconds or more Approximately 10 seconds or more
Number of Trips 1 trip 1 trip

Tech Tips

DTC will be output when conditions for either of the patterns in the table above are met.

PROCEDURE


  1. GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM


    1. Perform troubleshooting for the electronically controlled brake system.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    END