Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Diagnosis System



(a) Intelligent clearance sonar system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair them.


(a) Check the DLC3.

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(a) When the intelligent clearance sonar system is unavailable either temporarily or due to a malfunction, a warning message is displayed on the multi-information display.

Multi-information Display Warning Message

Warning Message

Proceed to

"ICS Malfunction Visit Your Dealer"

"ICS Unavailable"

    Data List / Active Test

    Diagnostic Trouble Code Chart

    See More:

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    Toyota Avalon (XX50) 2019-2022 Owners Manual

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