Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001H8MN
Model Year Start: 2019 Model: RAV4 Prod Date Range: [02/2019 - 10/2022]
Title: POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Type A): VEHICLE CONTROL HISTORY; 2019 - 2022 MY RAV4 RAV4 HV [02/2019 - 10/2022]

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.

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

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / EMPS / Utility / Vehicle Control History (RoB).

Chassis > EMPS > Utility

Tester Display

Vehicle Control History (RoB)

Vehicle Control History Item

FFD Group

Code

Tester Display

Measurement Item
*1: When the assist map is not written because the received data is out of range.

*2: When an identification malfunction is detected because the received data does not match.

-

X200C

Vehicle speed signal invalidity

One of the following conditions is met:

  • When vehicle speed signal invalid history is updated.
  • When vehicle speed signal malfunction control history is updated.

-

X206D

Power source stop

When engine stall/READY OFF control history is updated.

-

X206E

High load continuation

When high load continuous control history is updated.

-

X206F

Prevention of ECU/Motor overheat

When overheat prevention control history is updated.

-

X208F

Battery voltage drop

One of the following conditions is met:

  • When power supply voltage drop control history is updated.
  • When power supply voltage drop suppression control history is updated.
  • When battery voltage drop history is updated.
  • When load control history is updated.
  • When chassis power management power steering control history is updated.

-

X2600

Software undecided with ENG/HV control module

When Gasoline Model/HV Model information has not been written

-

X2605

Softeare inconsistency with brake control module

One of the following conditions is met:

  • When assist map has not been written.(*1)
  • When assist map identification malfunction is detected.(*2)

-

X2612

Assist map non-memory

When assist map has not been written.

CLEAR VEHICLE CONTROL HISTORY

(a) Turn the ignition switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the ignition switch to ON.

(d) Turn the Techstream on.

(e) Enter the following menus: Chassis / EMPS / Utility / Vehicle Control History (RoB).

Chassis > EMPS > 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.