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Installation [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL HYBRID VEHICLE CONTROL ECU 
  2. INSTALL ECU INTEGRATION BOX LH 

    Refer to INSTALLATION [11/2021 - ]

  3. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to PROCEDURE - Step 5

  4. INSTALL BATTERY SERVICE COVER PLATE 
  5. UPDATE ECU SECURITY KEY 

    Refer to UPDATE ECU SECURITY KEY [11/2021 - ]

  6. PERFORM INITIALIZATION 

    Refer to WORK PROCEDURE [11/2021 - 03/2023] , or refer to WORK PROCEDURE [03/2023 - 03/2024] , or refer to WORK PROCEDURE [03/2024 - ]

  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 [11/2021 - ]