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Home >> Toyota >> 2017 >> Mirai >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System - Diagnostic Codes (2 Of 2) & Circuit Tests >> Electronically Controlled Brake System >> DTC C1442-44: Invalid Data Received from Acceleration Sensor; DTC C1443-34: Invalid Data Received from Yaw Rate Sensor [06/2015 - ] >> Procedure

DTC C1442-44: Invalid Data Received from Acceleration Sensor; DTC C1443-34: Invalid Data Received from Yaw Rate Sensor [06/2015 - ]: Procedure

  1. CHECK DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [06/2015 - ]

      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 [06/2015 - ]

      Chassis > ABS/VSC/TRAC > Trouble Codes 

      Result

      Result Proceed to
      DTCs C1442/44 and C1443/34 are not output. A
      DTCs C1442/44 and/or C1443/34 are output. B

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2015 - 11/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    REPLACE AIRBAG ECU ASSEMBLY. Refer to  REMOVAL [06/2015 - 11/2018]  , or refer to  REMOVAL [11/2018 - ]