- Occupant classification system
- Passenger airbag ON/OFF indicator
- Airbag system (Front passenger side)
- Seat belt warning system (Front passenger)
| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001LUBD |
| Model Year Start: 2020 | Model: RAV4 | Prod Date Range: [10/2019 - 08/2020] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL; 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020] | ||
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during occupant detection ECU removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)
|
Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
|
*: When performing learning using the Techstream.
Click here
|
|||
|
Disconnect cable from negative (-) auxiliary battery terminal |
Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) |
Stop and start system |
|
|
Perform steering sensor zero point calibration |
Lane control system |
|
|
|
Parking support brake system (for Gasoline model)* |
|||
|
Pre-collision system |
|||
|
Memorize steering angle neutral point |
Parking Assist Monitor System |
|
|
|
Panoramic view monitor system (for Gasoline model) |
|
||
|
Reset back door close position |
Power back door system (for Gasoline model) |
|
|
|
Back door lock initialization |
Power door lock control system |
|
|
|
Front passenger seat |
Zero point calibration (Occupant classification system) |
|
|
NOTICE:
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.
Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
|
System Name |
See Procedure |
|---|---|
|
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system |
6 minutes |
|
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system |
1 minute |
Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)
|
Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
|---|---|---|---|
|
*: When performing learning using the Techstream.
Click here
|
|||
|
Disconnect cable from negative (-) auxiliary battery terminal |
Perform steering sensor zero point calibration |
Lane control system |
|
|
Pre-collision system |
|||
|
Memorize steering angle neutral point |
Parking assist monitor system |
|
|
|
Panoramic view monitor system (for HV model) |
|
||
|
Reset back door close position |
Power back door system (for HV model) |
|
|
|
Back door lock initialization |
Power door lock control system |
|
|
|
Front passenger seat |
Zero point calibration (Occupant classification system) |
|
|
NOTICE:
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.
Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal
|
System Name |
See Procedure |
|---|---|
|
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system |
6 minutes |
|
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system |
1 minute |
PROCEDURE
1. PRECAUTION
CAUTION:
-
Be sure to read precaution thoroughly before servicing.
Click here
![2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (w/ Occupant Classification System): PRECAUTION](/t3Portal/stylegraphics/info.gif)
-
Wear protective gloves. Sharp areas on the parts may injure your hands.
- There is risk of injury.
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
Click here
2. REMOVE DECK BOARD ASSEMBLY (for HV Model)
Click here
3. REMOVE REAR NO. 2 FLOOR BOARD (for HV Model)
Click here
4. REMOVE BATTERY HOLE COVER (for HV Model)
Click here
5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
-
for A25A-FKS:
Click here
-
for A25A-FXS:
Click here
CAUTION:
- Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
- If the airbag deploys for any reason, it may cause a serious accident.
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected.
Click here
6. REMOVE FRONT SEAT ASSEMBLY RH
HINT:
Use the same procedure described for the LH side.
Click here
7. REMOVE OCCUPANT DETECTION ECU
|
(a) Disconnect the 2 connectors. |
|
(b) Insert a screwdriver at the position shown in the illustration and detach the claw and remove the occupant detection ECU.
NOTICE:
If the occupant detection ECU has been dropped, or there are any cracks, dents or other defects in the case or connector, replace the occupant detection ECU with a new one.
HINT:
Tape the screwdriver tip before use.
|
Protective Tape |
|
|