Lexus ES manuals

Lexus ES: Back-up Battery

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 Components

COMPONENTS ILLUSTRATION *1 BACK-UP BATTERY *2 TRANSCEIVER COVER

 Installation

INSTALLATION PROCEDURE 1. INSTALL BACK-UP BATTERY (a) Connect the connector and install the back-up battery with the "TOP" mark facing upward as shown in the illustration. Install in this Direc

 Removal

REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during bac

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 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION The main body ECU (multiplex network body ECU) and certification ECU (smart key ECU assembly) control the LIN communication system. LIN communication system data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3). When the system see

 Automatic High Beam System does not Operate or Operation Indicator does not Illuminate

DESCRIPTION The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

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