VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1448

DTC Code DTC Name
C1448 Yaw Rate Sensor Output Value

DESCRIPTION

The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.

The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1448 Yaw Rate Sensor Output Value When the vehicle speed is 20 km/h (12 mph) or more, an invalid data signal is received from the yaw rate sensor for 120 seconds or more. Yaw rate sensor (airbag sensor assembly)

CAUTION / NOTICE / HINT

Note

After replacing or reinstalling the yaw rate and acceleration sensor (airbag sensor assembly), perform system variant learning and acceleration sensor zero point calibration.

Click here

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.


      Chassis > ABS/VSC/TRC > Clear DTCs

    2. Turn the ignition switch off.

    3. Start and idle the engine.

    4. Drive the vehicle at a speed of 20 km/h (12 mph) or more for at least 120 seconds, and then stop the engine.

    5. Check if the same DTC is output.


      Chassis > ABS/VSC/TRC > Trouble Codes
      Result
      Result Proceed to
      C1448 is output A
      C1448 is not output B

    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    B

    USE SIMULATION METHOD TO CHECK Click here