Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001WZ8W
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2022]
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for Gasoline Model without Electric Parking Brake System): Yaw Rate Sensor Wrong Installation (X0456); 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]

Yaw Rate Sensor Wrong Installation (X0456)

DESCRIPTION

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

Code

Tester Display

Measurement Item

Trouble Area

X0456

Yaw Rate Sensor Wrong Installation

History of yaw rate sensor (airbag sensor assembly) being installed incorrectly
  • Yaw rate sensor (airbag sensor assembly) installed improperly
  • Yaw rate sensor (airbag sensor assembly)

PROCEDURE

1.

CHECK FOR DTCs (HEALTH CHECK)

(a) Perform the Health Check using the Techstream.

Result

Proceed to

DTCs are not output

A

DTCs are output

B
B

GO TO DIAGNOSTIC TROUBLE CODE CHART
A

2.

READ VALUE USING TECHSTREAM (YAW RATE SENSOR VALUE)

(a) Check Data List item "yaw rate sensor value".

Chassis > Brake/EPB > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Yaw Rate Sensor Value

Yaw rate sensor

Min.: -128°/s, Max.: 127°/s

Vehicle stopped: 0°/s

Turning right: -128 to 0°/s

Turning left: 0 to 127°/s

-

Chassis > Brake/EPB > Data List

Tester Display

Yaw Rate Sensor Value

Result

Proceed to

NG (The yaw rate and acceleration sensor (airbag sensor assembly) output value is 0°/s when the vehicle is stationary, but the value fluctuates when turning.)

A

NG (The yaw rate and acceleration sensor (airbag sensor assembly) output value is not 0°/s when the vehicle is stationary.)

B

OK

C
B

REPLACE AIRBAG SENSOR ASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: REMOVAL 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: REMOVAL

C

USE SIMULATION METHOD TO CHECK

A

3.

CHECK AIRBAG SENSOR ASSEMBLY INSTALLATION

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

Click here 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION

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.

NG

INSTALL AIRBAG SENSOR ASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; SUPPLEMENTAL RESTRAINT SYSTEMS: CENTER AIRBAG SENSOR ASSEMBLY: INSTALLATION

OK

4.

CLEAR VEHICLE CONTROL HISTORY

(a) Using the Techstream, clear the Vehicle Control History.

Chassis > Brake/EPB > Utility

Tester Display

Vehicle Control History (RoB)
NEXT

5.

PERFORM ZERO POINT CALIBRATION OF STEERING ANGLE SENSOR

(a) Drive the vehicle straight ahead at 35 km/h (22 mph) or more for at least 5 seconds.

NEXT

END