- Brake system warning light (yellow indicator) illuminates
- Slip indicator light illuminates
- Brake hold operated indicator light blinks*
| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM1000000021IE2 |
| Model Year Start: 2022 | Model: RAV4 | Prod Date Range: [12/2021 - ] |
| Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): VEHICLE CONTROL HISTORY (RoB); 2022 - 2025 MY RAV4 RAV4 HV [12/2021 - ] | ||
VEHICLE CONTROL HISTORY (RoB)
DESCRIPTION
- Vehicle control history (RoB) 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 content of the Freeze Frame Data is almost the same as that of the Data List.
Click here
![2022 - 2025 MY RAV4 RAV4 HV [12/2021 - ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (w/o Vacuum Brake Booster): DATA LIST / ACTIVE TEST](/t3Portal/stylegraphics/info.gif)
PRECAUTIONS
- As vehicle control history (RoB) may be overwritten whenever the trigger conditions are met, make sure to save vehicle control history (RoB) before performing any inspections.
- As vehicle control history (RoB) may be stored when performing an Active Test, learning, etc., make sure to clear the vehicle control history (RoB) before returning the vehicle to the customer.
CHECK VEHICLE CONTROL HISTORY (RoB) (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM)
(a) Operate the GTS to enter the Vehicle Control History (RoB).
Chassis > Brake Booster > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
Chassis > Brake/EPB > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
Vehicle Control History (RoB) Item (Electronically Controlled Brake System and Electric Parking Brake System)
|
Code |
Tester Display |
Measurement Item |
User Notification |
Diagnostic Note |
|---|---|---|---|---|
|
X2005 |
Hybrid/EV Powertrain Control System Malfunction |
History of a malfunction in the HV system |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to the following diagnosis procedure:
|
|
X204C |
Zero Point Calibration of Yaw Rate Sensor Undone |
History of incomplete yaw rate sensor zero point calibration |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to Zero Point Calibration of Yaw Rate Sensor Undone (X204C).
|
|
X2085 |
Electric Parking Brake Control Module Malfunction |
History of receiving an electric parking brake system malfunction signal continuously for 1 second or more from the No. 2 skid control ECU (brake actuator assembly) |
Brake hold operated indicator light blinks* |
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to How to Proceed with Troubleshooting in Electric Parking Brake System.
|
|
X2086 |
SRS Airbag Malfunction |
History of receiving a malfunction signal output for a secondary collision brake control request from the airbag ECU assembly 2 consecutive times |
- |
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to How to Proceed with Troubleshooting in Airbag System.
|
|
X2088 |
Bank Angle Detected |
History of VSC operation being temporarily prohibited when driving at a steep bank angle, etc. |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) HINT: Explain that VSC operation was temporarily prohibited when driving on a road with a steep bank angle, etc. |
|
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 |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to the following diagnosis procedure:
|
|
X208B |
EPB Motor Continuous Operation Request |
History of system suspended to prevent overheat of parking brake actuator assembly when electric parking brake was used repeatedly |
Brake hold operated indicator light blinks* |
Output ECU: No. 2 skid control ECU (brake actuator assembly) HINT:
|
|
X2096 |
Pre-Collision Brake |
History of pre-collision brake operation |
In accordance with Pre-collision System behavior |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X2098 |
Pre-Collision Brake Assist |
History of pre-collision brake assist operation |
In accordance with Pre-collision System behavior |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A0 |
ABS |
History of ABS operation |
Slip indicator light blinks |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A1 |
VSC |
History of VSC operation |
Slip indicator light blinks |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A2 |
TRC(TRAC) |
History of TRC operation |
Slip indicator light blinks |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A5 |
Hill Start Assist |
History of hill start assist operation |
- |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A7 |
Brake Assist |
History of brake assist operation |
- |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A8 |
Secondary Collision Brake |
History of secondary collision brake operation |
- |
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20A9 |
ABS Continuous Operation Request |
History of ABS being operated for 60 seconds or more |
|
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20AA |
VSC Continuous Operation Request |
History of VSC being operated for 10 seconds or more |
|
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) and No. 2 skid control ECU (brake actuator assembly) |
|
X20D7 |
Zero Point Calibration of Steering Angle Sensor Malfunction |
History of the steering sensor zero point calibration position differing from the stored value |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to Zero Point Calibration of Steering Angle Sensor Malfunction (X20D7).
|
|
X20D8 |
Zero Point Calibration of Steering Angle Sensor Not Acquired |
History of being unable to obtain the steering angle zero point |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to Zero Point Calibration of Steering Angle Sensor Not Acquired (X20D8).
|
|
X219C |
EPB Lock Control Run |
History of abnormal EPB operation |
Brake system warning light (yellow indicator) illuminates |
Output ECU: No. 2 skid control ECU (brake actuator assembly) HINT: EPB: Electric Parking Brake System |
|
X21A9 |
ACC Low Pressure |
History of a continuous and significant decrease in accumulator pressure |
|
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) Refer to ACC Low Pressure (X21A9).
|
|
X21D0 |
Brake Pedal Position Sensor "A" Performance Malfunction |
History of malfunction of brake pedal stroke sensor 1 |
|
Output ECU: No. 2 skid control ECU (brake actuator assembly) Refer to the following diagnosis procedure:
|
|
X21D1 |
Brake Pedal Position Sensor "B" Performance Malfunction |
History of malfunction of brake pedal stroke sensor 2 |
|
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) Refer to the following diagnosis procedure:
|
|
X21D2 |
Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure |
History of mismatch between brake pedal stroke sensor assembly and reaction force pressure sensor. |
|
Output ECU: No. 1 skid control ECU (brake booster with master cylinder assembly) Refer to Brake Pressure Sensor / Brake Pedal Position Sensor Signal Compare Failure (X21D2).
NOTICE: If the detection conditions for X21D2 are met 3 times in a row in the same trip, DTC P05FF62 is stored.
|
*: When the vehicle is put into the following vehicle conditions and the brake hold switch (electric parking brake switch assembly) is turned on, the brake hold operated indicator light blinks.
-
Conditions required for operation standby:
- The driver door is closed.
- The driver seat belt is fastened.
CLEAR VEHICLE CONTROL HISTORY (RoB) (ELECTRONICALLY CONTROLLED BRAKE SYSTEM AND ELECTRIC PARKING BRAKE SYSTEM)
(a) Operate the GTS to enter the Vehicle Control History (RoB).
Chassis > Brake Booster > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
Chassis > Brake/EPB > Utility
|
Tester Display |
|---|
|
Vehicle Control History (RoB) |
(b) Press the clear button.
NOTICE:
By performing this procedure, all stored vehicle control history (RoB) items will be cleared.
VEHICLE CONTROL HISTORY (AIRBAG SYSTEM)
HINT:
A part of the control history can be confirmed using the vehicle control history.
Click here
|
|