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Home >> Toyota >> 2021 >> Avalon Touring >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Electronically Controlled Brake System - Diagnostic Codes (C1336-P0571) (Except Hybrid) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C1420: Malfunction in Deceleration Sensor [04/2018 - 08/2021] >> Description

DTC C1420: Malfunction in Deceleration Sensor [04/2018 - 08/2021]: Description

This DTC is stored when the skid control ECU (brake actuator assembly) detects an abnormality in the difference between the acceleration sensor value and the control value estimated based on the yaw rate sensor, steering angle sensor and speed sensor signals.

The airbag sensor assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1420 Malfunction in Deceleration Sensor The difference between the acceleration sensor value and the control value estimated inside the skid control ECU (brake actuator assembly) is abnormal.
  • Acceleration sensor (airbag sensor assembly) installation
  • Acceleration sensor (airbag sensor assembly)