| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM1000000021ZUB |
| Model Year Start: 2022 | Model: RAV4 HV | Prod Date Range: [12/2021 - 10/2022] |
| Title: HYBRID / BATTERY CONTROL: HV RELAY ASSEMBLY (for NICKEL METAL HYDRIDE BATTERY): REMOVAL; 2022 MY RAV4 HV [12/2021 - 10/2022] | ||
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 HV battery junction block assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedures |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
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*: When performing learning using the Techstream.
Click here
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Auxiliary battery terminal is disconnected/reconnected |
Perform steering sensor zero point calibration |
Lane control system |
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Parking support brake system* |
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Pre-collision system |
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Memorize steering angle neutral point |
Parking assist monitor system |
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Panoramic view monitor system |
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Reset back door close position |
Power back door system |
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Back door lock initialization |
Power door lock control system |
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CAUTION:
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Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair manual.
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![2019 - 2025 MY RAV4 HV [02/2019 - ]; HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY): PRECAUTION](/t3Portal/stylegraphics/info.gif)
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To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage 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
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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 |
PROCEDURE
1. PRECAUTION
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.
2. REMOVE SERVICE PLUG GRIP
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3. DISCONNECT ENGINE ROOM MAIN WIRE
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4. REMOVE CONNECTOR COVER ASSEMBLY
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5. CHECK TERMINAL VOLTAGE
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6. INSTALL CONNECTOR COVER ASSEMBLY
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7. CONNECT ENGINE ROOM MAIN WIRE
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8. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY
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9. REMOVE REAR SEAT CUSHION LOCK HOOK
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10. REMOVE NO. 1 INDOOR ELECTRICAL KEY ANTENNA ASSEMBLY
Click here
11. REMOVE REAR DOOR SCUFF PLATE LH
Click here
12. REMOVE NO. 3 BATTERY SERVICE COVER BOARD
Click here
13. REMOVE REAR DOOR SCUFF PLATE RH
HINT:
Use the same procedure as for the LH side.
14. REMOVE NO. 2 BATTERY SERVICE COVER BOARD
Click here
15. REMOVE BATTERY SERVICE COVER BOARD
Click here
16. REMOVE REAR SEAT CUSHION LEG SUB-ASSEMBLY
Click here
17. REMOVE NO. 1 HV BATTERY COVER PANEL RH
Click here
18. DISCONNECT FLOOR UNDER WIRE
Click here
19. DISCONNECT FLOOR WIRE
CAUTION:
Be sure to wear insulated gloves.
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(a) Disengage the clamp. |
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(b) Disconnect the electric vehicle battery plug assembly connector.
(c) Disconnect the HV battery junction block assembly connector.
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(d) Disengage the 2 clamps to disconnect the floor wire. |
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20. REMOVE NO. 1 HYBRID BATTERY EXHAUST DUCT
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21. REMOVE UPPER HV BATTERY COVER SUB-ASSEMBLY
Click here
22. REMOVE HV BATTERY JUNCTION BLOCK ASSEMBLY
CAUTION:
Be sure to wear insulated gloves and protective goggles.
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(a) Remove the bolt and disconnect the electric vehicle battery plug assembly. |
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(b) Disconnect the HV battery junction block assembly connector. NOTICE: Insulate the disconnected connectors with insulating tape. |
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(c) Disengage the clamp.
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(d) Disengage the 2 claws and open the wiring harness protector. |
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(e) Disconnect the HV battery junction block assembly connector. NOTICE: Insulate the disconnected connectors with insulating tape. |
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(f) Using a screwdriver with its tip wrapped with protective tape, disengage the 2 claws and remove the wiring harness protector. |
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(g) Disconnect the HV battery junction block assembly connector. |
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(h) Remove the 4 nuts and HV battery junction block assembly from the HV battery. NOTICE: If the HV battery junction block assembly has been struck or dropped, replace it with a new one. |
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