VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1420

DTC Code DTC Name
C1420 Acceleration Sensor Malfunction

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
C1420 Acceleration Sensor Malfunction After the difference between GL1 and GL2 becomes 0.6 G or more with the vehicle stationary, the difference remains 0.4 G or more for 60 seconds or more.

  • Sensor installation

  • Acceleration sensor (yaw rate and acceleration sensor)

CAUTION / NOTICE / HINT

Note

When replacing the yaw rate and acceleration sensor, perform zero point calibration and store system information.

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PROCEDURE


  1. CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION


    1. Check that the yaw rate and acceleration sensor has been installed properly.

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      OK
      The yaw rate and acceleration sensor is tightened to the specified torque.
      The yaw rate and acceleration sensor is not installed in a tilted position.

      Note

      Check the yaw rate and acceleration sensor signal after replacement.

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      Tech Tips

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

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      Result
      Proceed to
      OK
      NG

    OK

    REPLACE YAW RATE AND ACCELERATION SENSOR Click here

    NG

    INSTALL YAW RATE AND ACCELERATION SENSOR CORRECTLY Click here