LANE-KEEPING ASSIST SYSTEM, Diagnostic DTC:C1A46

DTC Code DTC Name
C1A46 Yaw Rate Sensor

DESCRIPTION

The skid control ECU receives vehicle stability signals from the yaw rate sensor and sends the signals to the driving support ECU. If the skid control ECU detects that the yaw rate sensor is malfunctioning, the skid control ECU sends a malfunction signal to the driving support ECU and outputs DTC C1A46. Also, when DTC C1A46 is output, the skid control ECU outputs DTC C1234 at the same time.

DTC Code DTC Detection Condition Trouble Area
C1A46 While vehicle speed is 5 km/h (3 mph) or more, malfunction signal from skid control ECU, yaw rate sensor to driving support ECU is detected for 1 second or more

  • Yaw rate sensor

  • Skid control ECU

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Clear the DTC Click here.

    2. Recheck for DTC Click here.

      OK
      DTC C1234/34 is not output.

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here

    OK

    REPLACE DRIVING SUPPORT ECU Click here