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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Electronically Controlled Brake System (Except HV) - Diagnostic Codes (1 Of 3) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model) >> DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [12/2019 - ] >> Description

DTC C0063-1F: Yaw Rate Sensor Circuit Intermittent; DTC C0520-1F: Multi-axis Acceleration Sensor Module "A" Circuit Intermittent [12/2019 - ]: Description

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

The skid control ECU (brake actuator assembly) receives signals from the yaw rate and acceleration sensor (airbag sensor assembly) via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
C0063-1F Yaw Rate Sensor Circuit Intermittent When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from yaw rate sensor (airbag sensor assembly) is ON continuously for 10 seconds or more. Yaw rate sensor (airbag sensor assembly)
C0520-1F Multi-axis Acceleration Sensor Module "A" Circuit Intermittent When voltage at terminal +BS is 9.5 to 17.4 V, sensor invalid information received from acceleration sensor (airbag sensor assembly) is ON continuously for 10 seconds or more. Acceleration sensor (airbag sensor assembly)
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