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Home >> Lexus >> 2021 >> ES 350 Luxury >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Theft Deterrent System (Except Hybrid) - Diagnostics & Circuit Tests >> THEFT DETERRENT SYSTEM (for Gasoline Model) >> Improper Operation [06/2018 - 08/2021] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

    Refer to REGISTRATION [06/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 08/2020] , or refer to REGISTRATION [08/2020 - 09/2022]

  • The theft deterrent system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the theft deterrent system after confirming that the communication system is functioning properly.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

  • The following troubleshooting procedure is based on the assumption that systems related to the theft deterrent system are normal. Confirm that the systems related to the theft deterrent system are not malfunctioning before performing the following procedure.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

  • If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history has been read and saved, the operation history information could be lost.
  • The operation history function uses the current system time of the GTS and the time counter inside the controlling ECU to calculate the times shown in the operation history. For this reason, before reading the operation history, first make sure that the GTS system clock is accurately set to the current time.