Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Initialization

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Door / Hatch / Power Back Door System / Initialization

INITIALIZATION

INITIALIZE MULTIPLEX NETWORK DOOR ECU

NOTICE:

Initialization of the multiplex network door ECU (back door initial position learning) is necessary if the following work procedures are performed while the back door is open.

  • The cable to the negative (-) auxiliary battery terminal is connected.
  • A power source system fuse of the power back door system is disconnected and reconnected.
  • The multiplex network door ECU is replaced or the connectors are disconnected.
  • The power back door unit assembly set LH or power back door unit assembly set RH is removed and reinstalled, or replaced.

The power back door does not operate unless the multiplex network door ECU is initialized.

HINT:

  • Initialization is not necessary if the above procedures are performed while the back door is closed.
  • When disconnecting the negative (-) auxiliary battery terminal, some systems need to be initialized after the negative (-) auxiliary battery terminal is reconnected.

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(a) Initialization operation

(1) Fully close the back door by hand.

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

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