Description of On-Board Diagnostics

DIAGNOSIS SYSTEM

When a system error is detected, the LEXUS LINK system will inform the driver of the error by providing the following voice warning: "A LEXUS Link System error has been detected. Please contact your LEXUS dealer."

Also, in the case below, it will make a service call to the call center.
- While the ignition switch is ON, the telephone ECU (Mayday ECU) cannot receive BEAN signal from the airbag ECU.
- While the ignition switch is ON, power is not supplied from a vehicle battery.