LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis >> Brakes >> Traction Control >> Vehicle Stability Control System (Diagnostic Codes & Symptom Tests) >> Vehicle Stability Control System >> DTC C1420: Acceleration Sensor Malfunction >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1420: Acceleration Sensor Malfunction: Procedure

  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 is tightened to the specified torque.

      The sensor is not 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