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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Maintenance >> Procedures >> Maintenance - Service Information >> M20A-FXS Auxiliary Battery >> Installation [12/2022 - ] >> Procedure

Installation [12/2022 - ]: Procedure

  1. INSTALL AUXILIARY BATTERY 
  2. INSTALL BATTERY CLAMP 

    Torque: 15.4 N*m (157 kgf*cm, 11 ft.*lbf) 

  3. INSTALL BATTERY HOSE 
    NOTE:

    After replacing the auxiliary battery, install the ventilation hole plug supplied with the new auxiliary battery or the ventilation hole plug from the old auxiliary battery to the ventilation hole on the side to which the battery hose is not connected.

    HINT: 
    • Push the battery hose onto the auxiliary battery until a click sound is heard.
    • Do not twist the battery hose.
  4. CONNECT CABLE TO POSITIVE AUXILIARY BATTERY TERMINAL 

    Torque: 5.6 N*m (57 kgf*cm, 50 in.*lbf) 

  5. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf) 

  6. INSTALL BATTERY SERVICE HOLE COVER ASSEMBLY 

    HINT: 

    As the illustration shown is an example, the actual details may differ.

    1. GTY1151973Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *A Type A - -
      1. Insert the 2 claws of the battery service hole cover assembly into the deck trim side panel assembly RH.
      2. Engage the 3 clips of the battery service hole cover assembly.
      3. Type A:
        1. Return the deck board assembly to its original position.
  7. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [12/2022 - 03/2023] , or refer to AUTOMATIC LEARNING CHART [03/2023 - ]