Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001G61I |
Model Year Start: 2020 |
Model: GR Corolla |
Prod Date Range: [01/2019 - 03/2019] |
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PRECAUTION; 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019] |
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 Control System (for Gasoline Model)
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Pre-collision System (for Gasoline Model)
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Lighting System (W/ AFS)(EXT)
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Power Door Lock Control System (for Hatchback, Gasoline Model)
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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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