DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart key system related items that are customizable via the audio and visual system vehicle customization screen.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Use the Techstream to check if the CAN communication system is functioning normally. Click here OK: CAN communication DTCs are not output.
(a) Check if the smart key system is malfunctioning. for Entry Function: Click here for Start Function: Click here HINT: Customization may not be possible depending on the malfunction in the smart key system. OK: No malfunctions are present in the smart key system.
(a) Make a note of the customizable items for the certification ECU related system. HINT: The items shown as customizable via the audio and visual system vehicle customization screen can also be changed using the Techstream. In the following step, the Techstream will be used. (1) To match-up the items on the audio and visual system vehicle customization screen with the items on the Techstream, check the customize parameters list for the smart key system related items that can be customized via the audio and visual system vehicle customization screen. for Entry Function: Click here for Start Function: Click here (b) Using the Techstream, check that it is possible to change the settings of the customize parameters that are available for customization via the audio and visual system vehicle customization screen. OK: The items available for customization via the audio and visual system vehicle customization screen can be customized successfully using the Techstream.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Audio And Visual System(for Gasoline Model): Display does not Dim when Light Control Switch is Turned ON
CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System. Click here When replacing the radio and display receiver assembly, ...