DIAGNOSIS SYSTEM DESCRIPTION (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. CHECK DLC3 (a) Check the DLC3. Click here DESCRIPTION (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
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Toyota Avalon Service & Repair Manual > Audio And Visual System(for Gasoline Model): Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION This circuit is necessary for the Automatic Sound Levelizer (ASL) built into the radio and display receiver assembly. The Automatic Sound Levelizer (ASL) function automatically adjusts the audio system volume in order to compensate for increased vehicle noise (vehicle noise tends to incr ...
