- Occupant detection ECU
- Front passenger seat
| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM10000000258CJ |
| Model Year Start: 2023 | Model: RAV4 | Prod Date Range: [10/2022 - 10/2023] |
| Title: SUPPLEMENTAL RESTRAINT SYSTEMS: OCCUPANT CLASSIFICATION ECU: REMOVAL; 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023] | ||
REMOVAL
CAUTION / NOTICE / HINT
CAUTION:
Wear protective gloves. Sharp areas on the parts may injure your hands.
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)
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Replaced Part or Performed Procedures |
Necessary Procedures |
Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
|---|---|---|---|
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*: When performing learning using the Techstream.
Click here
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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 |
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Perform steering sensor zero point calibration |
Lane control system |
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Parking support brake system (for Gasoline model)* |
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Pre-collision system |
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Reset back door close position |
Power back door system (for Gasoline model) |
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Back door lock initialization |
Power door lock control system |
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Zero point calibration (Occupant classification system) |
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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
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System Name |
See Procedure |
|---|---|
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Vehicle enrolled in Toyota Audio Multimedia system or safety connect system |
6 minutes |
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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 Procedures |
Necessary Procedures |
Effect/Inoperative Function When Necessary Procedures are 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 |
|
|
Parking support brake system (for HV model)* |
|||
|
Pre-collision system |
|||
|
Reset back door close position |
Power back door system (for HV model) |
|
|
|
Back door lock initialization |
Power door lock control system |
|
|
|
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
![2021 - 2024 MY RAV4 RAV4 HV [08/2020 - ]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
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
- If the front seat airbag assembly was deployed, replace the front seat airbag assembly, front seatback frame sub-assembly, separate type front seatback pad and separate type front seatback cover with the necessary parts in accordance with the extent of the collision damage.
- Replace any other damaged parts as necessary.
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
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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
(a) for Manual Seat:
HINT:
Use the same procedure described for the LH side.
Click here
(b) for Power Seat:
HINT:
Use the same procedure described for the LH side.
Click here
7. REMOVE OCCUPANT DETECTION ECU
(a) for Manual Seat:
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(1) Disconnect the 2 connectors. |
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(2) 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.
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Protective Tape |
(b) for Power Seat:
(1) Disconnect the 2 connectors.
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Protective Tape |
(2) 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.
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