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DTC C1420: Acceleration Sensor Malfunction: Procedure

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK YAW RATE AND ACCELERATION SENSOR INSTALLATION 
    1. Check that the yaw rate and acceleration sensor has been installed properly. Refer to INSTALLATION .

      OK

      The sensor should be tightened to the specified torque.

      The sensor should not be installed in a tilted position.

      NOTE:

      Check the yaw rate and acceleration sensor signal after replacement. Refer to TEST MODE PROCEDURE .

      HINT: 

      If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step. Refer to PROBLEM SYMPTOMS TABLE .

    NG → See step   3 

    OK → See step   2 

  2. REPLACE YAW RATE AND ACCELERATION SENSOR. Refer to  REMOVAL 
  3. INSTALL YAW RATE AND ACCELERATION SENSOR CORRECTLY. Refer to  INSTALLATION 
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