Engine immobilizer system
The vehicle's keys have built-in transponder chips that prevent
the engine from starting if a key has not been previously registered
in the vehicle's on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle. This system is designed to help prevent vehicle theft but does not guarantee absolute security against all vehicle thefts. The indicator light flashes after the engine switch has been turned off to indicate that the system is operating. The indicator light stops flashing after the engine switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled. ■System maintenance The vehicle has a maintenance-free type engine immobilizer system. ■Conditions that may cause the system to malfunction
Alarm The alarm The alarm uses light and sound to give an alert when an intrusion is detected. The alarm is triggered in the following situations when the alarm is set:
Setting the alarm system Close the doors, trunk and hood, and lock all the doors. The system will be set automatically after 30 seconds. The indicator light changes from being on to flashing when the system is set. Deactivating or stopping the alarm Do one of the following to deactivate or stop the alarm:
■System maintenance The vehicle has a maintenance-free type alarm system. ■Items to check before locking the vehicle To prevent unexpected triggering of the alarm and vehicle theft, make sure of the following:
■Triggering of the alarm The alarm may be triggered in the following situations: (Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock In the following cases, depending on the situation, the door may automatically lock to prevent improper entry into the vehicle:
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Lighting System(for Gasoline Model With Cornering Light): Lost Communication With ECM/PCM "A" (U0100,...,U1117)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U0100 Lost Communication With ECM/PCM "A" The main body ECU (multiplex networ ...