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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (W/O Vacuum Brake Booster) - Diagnostic Codes (7 Of 8) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster) >> DTC C1442: Invalid Data Received from Deceleration Sensor; DTC C1443: Invalid Data Received from Yaw Rate Sensor [11/2018 - 02/2019] >> Procedure

DTC C1442: Invalid Data Received from Deceleration Sensor; DTC C1443: Invalid Data Received from Yaw Rate Sensor [11/2018 - 02/2019]: Procedure

  1. CHECK DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [11/2018 - 02/2019]

      Chassis > ABS/VSC/TRAC > Clear DTCs 

    2. Turn the power switch off.
    3. Check if the same DTC is output.

      Refer to DTC CHECK / CLEAR [11/2018 - 02/2019]

      Chassis > ABS/VSC/TRAC > Trouble Codes 

      Result

      Result Proceed to
      DTCs C1442 and C1443 are not output. A
      DTCs C1442 and/or C1443 are output. B

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    B 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - 02/2019]