Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001WMX5
Model Year Start: 2021 Model: Camry HV Prod Date Range: [10/2020 -           ]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: VEHICLE CONTROL HISTORY (RoB); 2021 - 2024 MY Camry HV [10/2020 -        ]

VEHICLE CONTROL HISTORY (RoB)

DESCRIPTION

  • Vehicle Control History (RoB) is a function that captures and stores ECU data when triggered by specific vehicle behavior.
  • If the customer states that the engine stalled or will not start, it may be possible to diagnose 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 (RoB) 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.

    Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM: DATA LIST / ACTIVE TEST

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 (ELECTRIC PARKING BRAKE SYSTEM)

(a) Operate the Techstream to enter the Vehicle Control History (RoB).

Chassis > Electric Parking Brake > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History Item

Code

Tester Display

Measurement Item

User Notification

Diagnostic Note

X2003

Brake Control System Malfunction

History of receiving a skid control ECU (brake booster with master cylinder assembly) malfunction signal from the parking brake ECU (brake actuator assembly)

Brake system warning light (yellow indicator) illuminates

Refer to How to Proceed with Troubleshooting in Electronically Controlled Brake System.

2019 - 2024 MY Camry HV [09/2018 -        ]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

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

  • Parking brake indicator light blinks
  • Brake system warning light (yellow indicator) illuminates

Explain that system was suspended to prevent overheating of parking brake actuator assembly when electric parking brake was used repeatedly.

X219C

EPB Lock Control Run

History of vehicle speed occurring after operation of the EPB switch

Brake system warning light (yellow indicator) illuminates

HINT:

EPB: Electric Parking Brake System

VEHICLE CONTROL HISTORY (AIRBAG SYSTEM)

HINT:

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

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: VEHICLE CONTROL HISTORY