Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Initialization

• 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.

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

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. ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Smart Access System With Push-button Start (for Start Function): Engine does not Start
DESCRIPTION When the electrical key transmitter sub-assembly is in the cabin and the engine switch is pressed, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. Additionally, when the shift lever is in P and the brake pedal is depressed, the engine c ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect ...