Toyota Yaris: Vehicle Stability Control System / Steering Angle Sensor Wrong Installation (X0455)

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Steering Angle Sensor Wrong Installation (X0455)

DESCRIPTION

Code

Tester Display

Measurement Item

Trouble Area

RoB Output from

X0455

Steering Angle Sensor Wrong Installation

History of steering angle sensor being installed incorrectly

  • Correct spiral cable with sensor sub-assembly
  • Steering angle sensor

Brake

CAUTION / NOTICE / HINT

NOTICE:

After performing the inspection, check and clear the vehicle control history (RoB).

HINT:

When Steering Angle Sensor Wrong Installation (X0455) is stored, engine output control may operate, but this is not a malfunction.

PROCEDURE

1.

CHECK FOR DTCs (HEALTH CHECK)

(a) Using the GTS, perform the Health Check.

Result

Proceed to

DTCs are not output

A

DTCs are output

B

B

GO TO DIAGNOSTIC TROUBLE CODE CHART

A

2.

ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

NEXT

3.

READ VALUE USING GTS (STEERING ANGLE SIGNAL INFORMATION)

(a) Select the Data List using the GTS.

Chassis > Steering Angle Sensor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Steering Angle Signal Information

Steering angle value (Rotation to the left side is positive)

Min.: -3070.5 deg, Max.: 3070.5 deg

-

During steering operation: Changes in proportion with steering wheel rotation

Chassis > Steering Angle Sensor > Data List

Tester Display

Steering Angle Signal Information

(b) Save the internal steering angle value to the GTS memory.

NOTICE:

  • If the value is +/- 360 deg (+/-15 deg), the steering angle sensor was incorrectly installed by 1 rotation.
  • If the value is +/- 720 deg (+/-15 deg), the steering angle sensor was incorrectly installed by 2 rotations.
  • In situations other than the above, the steering angle sensor may have been incorrectly installed by 3 or more rotations.

    In this case, it is possible that the proper installation or removal procedures were not followed, and the steering angle sensor may have been damaged.

Result

Proceed to

0 +/- 15 deg

A

+/- 360 deg (+/-15 deg) or +/- 720 deg (+/-15 deg)

B

None of the above conditions are met

C

B

GO TO STEP 7

C

GO TO STEP 13

A

4.

CLEAR VEHICLE CONTROL HISTORY (RoB)

(a) Using the GTS, clear the Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

NEXT

5.

PERFORM STEERING ANGLE SENSOR ZERO POINT CALIBRATION

(a) Disconnect cable from negative (-) auxiliary battery terminal.

HINT:

If the cable is not disconnected from the negative (-) auxiliary battery terminal, it may not be possible to obtain an accurate steering angle sensor zero point.

(b) Connect cable to negative (-) auxiliary battery terminal.

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

NEXT

6.

CHECK VEHICLE CONTROL HISTORY (RoB)

(a) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(b) Using the GTS, check for Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

X0455 is not output

A

X0455 is output

B

A

END

B

REPLACE STEERING ANGLE SENSOR

7.

ADJUST SPIRAL CABLE WITH SENSOR SUB-ASSEMBLY

(a) Remove the spiral cable with sensor sub-assembly.

Click here

NOTICE:

  • Be sure to disconnect the cable from the negative (-) auxiliary battery terminal before removing the spiral cable with sensor sub-assembly.

    HINT:

    If the cable is not disconnected from the negative (-) auxiliary battery terminal, it may not be possible to obtain an accurate steering angle sensor zero point.

  • Do not disconnect the steering angle sensor from the spiral cable.

(b) Based on the internal steering angle value that was saved to the GTS memory earlier, rotate the spiral cable with sensor sub-assembly.

*a

Interlock

*A

Clockwise

*B

Counterclockwise

NOTICE:

  • Rotate the steering angle sensor without disconnecting it from the spiral cable.
  • Make sure to follow the adjustment method shown in the table.
  • Failure to observe the following precautions may result in damage to the spiral cable with sensor sub-assembly.
    • When rotating the spiral cable with sensor sub-assembly, make sure to push on the interlock to release the interlock.
    • Do not turn the spiral cable with sensor sub-assembly using the airbag wire harness.
    • Do not forcibly rotate the part.
    • Make sure to perform the correct number of rotations in the correct direction.

Steering Angle Signal Information

Correction Method

360 deg (+/-15 deg)

Rotate clockwise (to the right), 1 rotation.

- 360 deg (+/-15 deg)

Rotate counterclockwise (to the left), 1 rotation.

720 deg (+/-15 deg)

Rotate clockwise (to the right), 2 rotations.

- 720 deg (+/-15 deg)

Rotate counterclockwise (to the left), 2 rotations.

(c) Install the spiral cable with sensor sub-assembly.

Click here

NEXT

8.

ALIGN FRONT WHEELS FACING STRAIGHT AHEAD

NEXT

9.

READ VALUE USING GTS (STEERING ANGLE SIGNAL INFORMATION)

(a) Select the Data List using the GTS.

Chassis > Steering Angle Sensor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Steering Angle Signal Information

Steering angle value (Rotation to the left side is positive)

Min.: -3070.5 deg, Max.: 3070.5 deg

-

During steering operation:

Changes in proportion with steering wheel rotation.

Chassis > Steering Angle Sensor > Data List

Tester Display

Steering Angle Signal Information

Result

Proceed to

0 +/- 15 deg

A

None of the above conditions are met

B

B

REPLACE STEERING ANGLE SENSOR

A

10.

CLEAR VEHICLE CONTROL HISTORY (RoB)

(a) Using the GTS, clear the Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

NEXT

11.

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

12.

CHECK VEHICLE CONTROL HISTORY (RoB)

(a) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(b) Using the GTS, check for Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

X0455 is not output

A

X0455 is output

B

A

END

B

REPLACE STEERING ANGLE SENSOR

13.

CHECK STEERING WHEEL ASSEMBLY CENTER POSITION

(a) Perform steering wheel assembly center position adjustment.

Click here

NEXT

14.

ADJUST WHEEL ALIGNMENT

(a) Adjust the alignment (toe) of the wheels.

for front wheel alignment: Click here

for rear wheel alignment: Click here

NEXT

15.

CLEAR VEHICLE CONTROL HISTORY (RoB)

(a) Using the GTS, clear the Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

NEXT

16.

PERFORM STEERING ANGLE SENSOR ZERO POINT CALIBRATION

(a) Disconnect cable from negative (-) auxiliary battery terminal.

HINT:

If the cable is not disconnected from the negative (-) auxiliary battery terminal, it may not be possible to obtain an accurate steering angle sensor zero point.

(b) Connect cable to negative (-) auxiliary battery terminal.

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

NEXT

17.

CHECK VEHICLE CONTROL HISTORY (RoB)

(a) Perform a road test under the same malfunction conditions recreated based on the Freeze Frame Data or customer problem analysis.

(b) Using the GTS, check for Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

Result

Proceed to

X0455 is not output

A

X0455 is output

B

A

END

B

REPLACE STEERING ANGLE SENSOR

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