VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1420

DTC Code DTC Name
C1420 Acceleration Sensor Malfunction

DESCRIPTION

This DTC is stored when the skid control ECU detects an abnormality in the difference between the acceleration sensor value and the control value estimated based on the yaw rate sensor, steering angle sensor and speed sensor signals.

DTC No. DTC Detection Condition Trouble Area
C1420 Difference between the acceleration sensor value and the control value estimated inside the skid control ECU is abnormal.

  • Sensor installation

  • Yaw rate and acceleration sensor (Airbag sensor assembly)

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION


    1. Check that the yaw rate and acceleration sensor (airbag sensor assembly) has been installed properly Click here for TMC, TMMR made or Click here for TMMK made).

      OK
      The sensor should be tightened to the specified torque.
      The sensor should not be installed in a tilted position.
      Result
      Result Proceed to
      OK (for TMC, TMMR Made) A
      OK (for TMMK Made) B
      NG (for TMC, TMMR Made) C
      NG (for TMMK Made) D

      Tech Tips

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


    B

    REPLACE AIRBAG SENSOR ASSEMBLY Click here

    C

    INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY Click here

    D

    INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY Click here

    A

    REPLACE AIRBAG SENSOR ASSEMBLY Click here