Toyota Yaris: Vehicle Stability Control System / Vehicle Control History

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual / Brake / Brake Control / Dynamic Control Systems / Vehicle Stability Control System / Vehicle Control History

VEHICLE CONTROL HISTORY

DESCRIPTION

  • Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior.
  • It may be possible to determine the cause of the malfunction by checking the vehicle history information and freeze frame data.
  • The number of possible stored Freeze Frame Data sets, whether multi Freeze Frame Data is available, the number of freeze frame points, Freeze Frame Data items, the ECU internal range, etc., is different depending on the stored group.
  • The stored data items for Vehicle Control History Freeze Frame Data are different depending on the stored group. When the value of a data item does not change across all points, only the value of the detection point will be displayed. The contents of the Freeze Frame Data is almost the same as that of the Data List.

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PRECAUTIONS

  • As Vehicle Control History may be overwritten whenever the trigger conditions are met, make sure to save Vehicle Control History before performing any inspections.
  • As Vehicle Control History may be stored when performing an Active Test, learning, etc., make sure to clear the Vehicle Control History before returning the vehicle to the customer.

CHECK VEHICLE CONTROL HISTORY (VEHICLE STABILITY CONTROL SYSTEM) (BRAKE)

(a) Turn the ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the GTS on.

(e) Operate the GTS to enter the Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)
Vehicle Control History Item:

Code

Tester Display

Measurement Item

User Notification

Diagnostic Note

RoB Output from

X0455

Steering Angle Sensor Wrong Installation

History of steering angle sensor being installed incorrectly

Slip indicator light illuminates

Refer to Steering Angle Sensor Wrong Installation (X0455).

Brake

X204C

Zero Point Calibration of Yaw Rate Sensor Undone

History of incomplete yaw rate sensor zero point calibration

Slip indicator light illuminates

Refer to Zero Point Calibration of Yaw Rate Sensor Undone (X204C).

Brake

X2079

Communication Error from Brake Control Module to Engine Control Module

History of being unable to send data to the ECM continuously for 2 seconds or more

Slip indicator light illuminates
  1. Using the GTS, perform a Health Check.
  2. Proceed to related output DTC or vehicle control history (RoB).

Brake

X2086

SRS Airbag Malfunction

History of receiving a malfunction signal output for a secondary collision brake control request from the airbag sensor assembly 2 consecutive times

-

Refer to How to Proceed with Troubleshooting in Airbag System.

Brake

X2087

Engine Malfunction

History of receiving an SFI system malfunction signal continuously from the ECM for 1 second or more

Slip indicator light illuminates

Refer to How to Proceed with Troubleshooting in SFI System.

Brake

X2088

Bank Angle Detected

History of VSC operation being temporarily prohibited when driving at a steep bank angle, etc.

Slip indicator light illuminates

Explain that VSC operation was temporarily prohibited when driving on a road with a steep bank angle, etc.

Brake

X208A

Zero Point Calibration of Steering Angle Sensor Initialization Malfunction

History of being unable to obtain the steering angle zero point after driving at a vehicle speed exceeding 15 km/h (9 mph) for 0.05 seconds or more

Slip indicator light illuminates

Perform steering angle sensor zero point calibration.

Brake

X2096

Pre-Collision Brake

History of pre-collision brake operation

In accordance with Pre-collision System behavior

-

Brake

X2098

Pre-Collision Brake Assist

History of pre-collision brake assist operation

In accordance with Pre-collision System behavior

-

Brake

X20A0

ABS

History of ABS operation

Slip indicator light blinks

-

Brake

X20A1

VSC

History of VSC operation

Slip indicator light blinks

-

Brake

X20A2

TRC(TRAC)

History of TRC operation

Slip indicator light blinks

-

Brake

X20A7

Brake Assist

History of brake assist operation

-

-

Brake

X20A8

Secondary Collision Brake

History of secondary pre-collision brake operation

-

-

Brake

X20D7

Zero Point Calibration of Steering Angle Sensor Malfunction

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

Slip indicator light illuminates

Refer to Zero Point Calibration of Steering Angle Sensor Malfunction (X20D7).

Brake

X20D8

Zero Point Calibration of Steering Angle Sensor Not Acquired

History of being unable to obtain the steering angle zero point

Slip indicator light illuminates

Refer to Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8).

Brake

X261B

Software Inconsistency with PCS Module

History of mismatch between the specification information sent by the PCS function and the specification information stored in the skid control ECU (brake actuator assembly)

-
  1. Using the GTS, perform a Health Check.
  2. Proceed to related output DTC or vehicle control history (RoB).

Brake

CLEAR VEHICLE CONTROL HISTORY (VEHICLE STABILITY CONTROL SYSTEM) (BRAKE)

(a) Turn the ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the GTS on.

(e) Operate the GTS to enter the Vehicle Control History (RoB).

Chassis > Brake > Utility

Tester Display

Vehicle Control History (RoB)

(f) Press the DTC clear button.

NOTICE:

By performing this procedure, all stored Vehicle Control History items will be cleared.

CHECK VEHICLE CONTROL HISTORY (VEHICLE STABILITY CONTROL SYSTEM) (STEERING ANGLE SENSOR)

(a) Turn the ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the GTS on.

(e) Operate the GTS to enter the Vehicle Control History (RoB).

Chassis > Steering Angle Sensor > Utility

Tester Display

Vehicle Control History (RoB)

Code

Tester Display

Measurement Item

Slip Indicator Light

Diagnostic Note

XF01B

ECU Security Key Not Registered

ECU security key has not been registered

*

  • *: Receive side ECU detects communication malfunction and may operate warning in multi-information display or indicator light.

CLEAR VEHICLE CONTROL HISTORY (VEHICLE STABILITY CONTROL SYSTEM) (STEERING ANGLE SENSOR)

(a) Turn the ignition switch off.

(b) Connect the GTS to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the GTS on.

(e) Operate the GTS to enter the Vehicle Control History (RoB).

Chassis > Steering Angle Sensor > Utility

Tester Display

Vehicle Control History (RoB)

(f) Press the DTC clear button.

NOTICE:

By performing this procedure, all stored Vehicle Control History items will be cleared.

CHECK VEHICLE CONTROL HISTORY (AIRBAG SYSTEM)

HINT:

A part of the control history can be confirmed using the vehicle control history.

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