Last Modified: 08-21-2023 |
6.11:8.1.0 |
Doc ID: RM100000001ATTV |
Model Year Start: 2019 |
Model: Avalon |
Prod Date Range: [04/2018 - 08/2021] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM (for Gasoline Model): PRECAUTION; 2019 - 2021 MY Avalon [04/2018 - 08/2021] |
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
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After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal.
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When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.
System Name
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See Procedure
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Lane Departure Alert System (w/ Steering Control)
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Intelligent Clearance Sonar System
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Parking Assist Monitor System
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Panoramic View Monitor System
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Pre-collision System
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Lighting System (for Gasoline Model with Cornering Light)
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PRECAUTION FOR NAVIGATION SYSTEM
NOTICE:
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When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
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A communication malfunction DTC may be stored.
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The radio and display receiver assembly or navigation ECU may not operate normally.
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When performing the following work, the navigation system may restart when turning the engine switch on (ACC) (due to radio and display receiver assembly and navigation ECU certification).
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Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
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The radio and display receiver assembly or navigation ECU replacement or removal and installation.
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When replacing the DCM (telematics transceiver), make sure to replace it with a new one (w/ Manual (SOS) Switch).
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After replacing the radio and display receiver assembly, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the navigation ECU.
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After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.
(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.
Click here
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Radio and display receiver assembly*1
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DCM (telematics transceiver)*2
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