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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/ Vacuum Brake Booster) - Diagnostic Codes (2 Of 4) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/ Vacuum Brake Booster) >> DTC C1232: Acceleration Sensor Stuck Malfunction; DTC C1243: Acceleration Sensor Stuck Malfunction; DTC C1245: Acceleration Sensor Output Malfunction [12/2017 - 09/2018] >> Procedure

DTC C1232: Acceleration Sensor Stuck Malfunction; DTC C1243: Acceleration Sensor Stuck Malfunction; DTC C1245: Acceleration Sensor Output Malfunction [12/2017 - 09/2018]: Procedure

  1. CHECK YAW RATE SENSOR INSTALLATION 
    1. Check that the acceleration sensor (yaw rate sensor) has been installed properly.

      Refer to INSTALLATION [12/2017 - 09/2018]

      OK

      The sensor is tightened to the specified torque.

      The sensor is not installed in a tilted position.

      NOTE:

      Check the acceleration sensor (yaw rate sensor) signal after replacement.

      Refer to TEST MODE PROCEDURE [12/2017 - 09/2018]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE YAW RATE SENSOR. Refer to  REMOVAL [12/2017 - 09/2018] 

    Result: 

    NG 

    INSTALL YAW RATE SENSOR CORRECTLY. Refer to  INSTALLATION [12/2017 - 09/2018]