Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Initialization

INITIALIZATION

INITIALIZE MULTIPLEX NETWORK DOOR ECU

NOTICE:

Initialization of the multiplex network door ECU (back door initial position learning) is necessary if any of the following have been performed with the back door open.

  • The cable is disconnected from the negative (-) battery terminal.
  • A fuse of the power back door system power source circuit has been removed and installed or replaced.
  • The multiplex network door ECU is removed and installed or replaced, or a connector is disconnected.

The power back door system will not operate unless the multiplex network door ECU has been initialized.

HINT:

  • Initialization is not necessary if the above have been performed with the back door closed.
  • When disconnecting the cable from the negative (-) battery terminal, some systems need to be initialized after the negative (-) battery terminal is reconnected.

    Click here

(a) Initialization operation

(1) Fully close the back door by hand.

    Customize Parameters
    CUSTOMIZE PARAMETERS CUSTOMIZE POWER BACK DOOR SYSTEM NOTICE: When the customer requests a change in a function, first make sure that the function can be customized. Record the current settings b ...

    Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE NOTICE: If the multiplex network door ECU has been removed and installed or replaced, or if any of the connectors have been disconnected, initialize the power back door system. ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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