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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Hybrid Battery Control System - Service Information (1 Of 7)) >> Hybrid Vehicle Control Ecu >> Removal [12/2021 - 10/2022] >> Procedure

Removal [12/2021 - 10/2022]: Procedure

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  1. PRECAUTION 
    WARNING:

    Be sure to read precaution thoroughly before servicing.

    GTY824211Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    Refer to PRECAUTION [08/2020 - ]

    NOTE:

    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 DECK BOARD ASSEMBLY 

    Refer to PROCEDURE - Step 2

  3. REMOVE REAR NO. 2 FLOOR BOARD 

    Refer to PROCEDURE - Step 3

  4. REMOVE BATTERY HOLE COVER 

    Refer to PROCEDURE - Step 4

  5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to REMOVAL [12/2021 - 10/2022]

    WARNING:
    • 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.
    GTY581108Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

    Refer to INITIALIZATION [12/2021 - 10/2022]

  6. REMOVE LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY 

    Refer to REMOVAL [12/2021 - 10/2022]

  7. REMOVE HYBRID VEHICLE CONTROL ECU ASSEMBLY 
    1. Disconnect the connector.
      GTY927445Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. w/ VEHICLE APPROACHING SPEAKER CONTROLLER:
      1. Disconnect the connector.
        GTY843893Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disengage the clamp.
      GTY842739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Disconnect the 3 hybrid vehicle control ECU assembly connectors as shown in the illustration.
    5. Remove the 2 nuts and hybrid vehicle control ECU assembly.
      GTY927186Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. REMOVE VEHICLE APPROACHING SPEAKER CONTROLLER (w/ VEHICLE APPROACHING SPEAKER CONTROLLER) 

    Refer to PROCEDURE - Step 7