Toyota Yaris: Vehicle Stability Control System / Yaw Rate Sensor Signal Stuck In Range (C00632A,C05201C,C05202A,C052096)

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Yaw Rate Sensor Signal Stuck In Range (C00632A,C05201C,C05202A,C052096)

DESCRIPTION

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

These DTCs are stored when the skid control ECU (brake actuator assembly) receives an internal malfunction signal from the yaw rate and acceleration sensor (airbag sensor assembly).

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

HINT:

If there is a malfunction in the bus lines between the yaw rate and acceleration sensor (airbag sensor assembly) and the CAN communication system, DTCs U012587 are output. When DTCs U012587 are output together with C00632A, C05201C, C05202A and/or C052096, inspect and repair the trouble areas indicated by U012587 first.

DTCs may be stored if either of the following occurs:
  • Yaw rate and acceleration sensor (airbag sensor assembly) installation abnormality.
  • Yaw rate and acceleration sensor (airbag sensor assembly) signal malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C00632A

Yaw Rate Sensor Signal Stuck In Range

A yaw rate sensor stuck malfunction status continues.

  • Yaw rate sensor (airbag sensor assembly) installation
  • Yaw rate sensor (airbag sensor assembly)

Brake

C05201C

Multi-axis Acceleration Sensor Module "A" Circuit Voltage Out of Range

At a vehicle speed of 30 km/h (19 mph) or more, the difference between the forward and backward G calculated from the acceleration sensor value and that calculated from the vehicle speed sensor exceeds 0.35 G for 60 seconds or more.

  • Acceleration sensor (airbag sensor assembly) installation
  • Acceleration sensor (airbag sensor assembly)

Brake

C05202A

Multi-axis Acceleration Sensor Module "A" Signal Stuck In Range

Any of the following is detected:

  • The acceleration sensor output value does not change 16 times or more as the vehicle speed drops from 30 km/h (19 mph) to 0 km/h (0 mph).
  • A GL1 stuck malfunction status continues.
  • A GL2 stuck malfunction status continues.
  • Acceleration sensor (airbag sensor assembly) installation
  • Acceleration sensor (airbag sensor assembly)

Brake

C052096

Multi-axis Acceleration Sensor Module "A" Component Internal Failure

Either of the following is detected:

  • A data malfunction signal is received from the acceleration sensor.
  • Output values of GL1 and GL2 (front and rear, left and right) are outside permitted output range for 60 seconds or more.
  • Acceleration sensor (airbag sensor assembly) installation
  • 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.

CHECK GTS OUTPUT (CAN COMMUNICATION SYSTEM)

(a) Operate the GTS, and check for DTCs related to the CAN communication system.

Click here

Result

Proceed to

Any CAN communication system relating DTCs are output

A

None of the above conditions are met

B

A

INSPECT CAN COMMUNICATION SYSTEM

B

2.

CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION

(a) Check that the yaw rate and acceleration sensor (airbag sensor assembly) has been installed properly.

Click here

OK:

The yaw rate and acceleration sensor (airbag sensor assembly) is tightened to the specified torque.

The yaw rate and acceleration sensor (airbag sensor assembly) is not installed in a tilted position.

OK

REPLACE AIRBAG SENSOR ASSEMBLY

NG

INSTALL AIRBAG SENSOR ASSEMBLY CORRECTLY

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