Toyota Yaris: Vehicle Stability Control System / Zero Point Calibration of Steering Angle Sensor Malfunction (X20D7)

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Zero Point Calibration of Steering Angle Sensor Malfunction (X20D7)

DESCRIPTION

Code

Tester Display

Measurement Item

Trouble Area

RoB Output from

X20D7

Zero Point Calibration of Steering Angle Sensor Malfunction

History of the steering angle sensor zero point calibration position differing from the stored value

  • Poor adjustment of the center position of the steering wheel
  • Poor adjustment of wheel alignment

Brake

CAUTION / NOTICE / HINT

NOTICE:

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

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.

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

3.

PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR

(a) Perform zero point calibration of the yaw rate and acceleration sensor.

Chassis > Brake > Utility

Tester Display

Reset Memory

Chassis > Brake > Utility

Tester Display

Calibration

NEXT

4.

CHECK STEERING ANGLE SENSOR ZERO POINT CALIBRATION

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

(b) Drive the vehicle straight ahead at 15 km/h (9 mph) or more for at least 60 seconds.

(c) Check that the centered position of the steering wheel is correctly set while driving straight ahead.

Standard:

The steering wheel is centered correctly.

NG

GO TO STEP 7

OK

5.

INSPECT STEERING SYSTEM

(a) Perform the steering system on-vehicle inspection.

Click here

OK

USE SIMULATION METHOD TO CHECK

NG

6.

REPAIR OR REPLACE MALFUNCTIONING PART

NEXT

GO TO STEP 8

7.

ADJUST WHEEL ALIGNMENT

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

for front wheel alignment: Click here

for rear wheel alignment: Click here

NEXT

8.

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

9.

PERFORM ZERO POINT CALIBRATION OF YAW RATE AND ACCELERATION SENSOR

(a) Perform zero point calibration of the yaw rate and acceleration sensor.

Chassis > Brake > Utility

Tester Display

Reset Memory

Chassis > Brake > Utility

Tester Display

Calibration

NEXT

10.

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.

(b) Drive the vehicle straight ahead at 15 km/h (9 mph) or more for at least 60 seconds.

NEXT

11.

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

Vehicle Control History (RoB) is not output

A

Vehicle Control History (RoB) is output

B

A

END

B

GO TO VEHICLE CONTROL HISTORY

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