Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Yaw Rate Sensor Circuit Voltage Out of Range (C00631C)

Toyota Corolla Cross (2022-2024) Service Manual / Brake / Brake Control / Dynamic Control Systems / Electronically Controlled Brake System (for Gasoline Model) / Yaw Rate Sensor Circuit Voltage Out of Range (C00631C)

DESCRIPTION

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

The skid control ECU (brake actuator assembly) calibrates the sensitivity of the yaw rate sensor (airbag ECU assembly) based on signals from the steering sensor and speed sensors.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C00631C

Yaw Rate Sensor Circuit Voltage Out of Range

The skid control ECU (brake actuator assembly) detects an abnormal yaw rate sensor (airbag ECU assembly) sensitivity during calculation.

Yaw rate sensor (airbag ECU assembly)

PROCEDURE

1.

REPLACE AIRBAG ECU ASSEMBLY

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     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 GLOVE BOX LIGHT ASSEMBLY 81260 - - - 2 LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL 55433B - - - 3 LOWER CENTER INSTRUMENT

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