Toyota Yaris: Vehicle Stability Control System / Yaw Rate Sensor Circuit Intermittent (C00631F,C05201F)

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Yaw Rate Sensor Circuit Intermittent (C00631F,C05201F)

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

DTC Output from

C00631F

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 is ON continuously for 10 seconds or more.

Yaw rate sensor (airbag sensor assembly)

Brake

C05201F

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 is ON continuously for 10 seconds or more.

Acceleration sensor (airbag sensor assembly)

Brake

CAUTION / NOTICE / HINT

NOTICE:

If the yaw rate and acceleration sensor (airbag sensor assembly) was replaced or reinstalled, perform "Calibration".

Click here

PROCEDURE

1.

CLEAR DTC

(a) Operate the GTS to clear the codes.

Chassis > Brake > Clear DTCs

(b) Press the DTC clear button.

(c) Turn the ignition switch off.

NEXT

2.

RECONFIRM DTC

(a) Start and idle the engine for 60 seconds, and then stop the engine.

(b) Operate the GTS to read the DTCs.

Chassis > Brake > Trouble Codes

(c) Check if the same DTC is output.

Result

Proceed to

C00631F and C05201F are not output

A

C00631F or C05201F is output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE AIRBAG SENSOR ASSEMBLY

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    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

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