Components COMPONENTS ILLUSTRATION 
Installation INSTALLATION PROCEDURE 1. INSTALL BACK-UP BATTERY (a) Install the back-up battery shown in the illustration. 
NOTICE: Make sure that the back-up battery is securely installed. (b) Connect the connector. NOTICE: Make sure that the connector is connected securely. (c) Engage the 2 claws to install the battery cover as shown in the illustration. 
NOTICE: Make sure that the battery cover is securely installed. 2. INSTALL DCM (TELEMATICS TRANSCEIVER) Click here 3. PERFORM INITIALIZATION for Gasoline Model: Click here for HV Model: Click here
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 back-up battery removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
PROCEDURE 1. REMOVE DCM (TELEMATICS TRANSCEIVER) Click here
2. REMOVE BACK-UP BATTERY (a) Disengage the 2 claws and remove the battery cover as shown in the illustration. 
(b) Disconnect the connector and remove the back-up battery as shown in the illustration. 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)
DESCRIPTION Depending on the malfunction, the skid control ECU (brake booster with master cylinder assembly) prohibits operation of the electronically controlled brake system to protect components and prevent incorrect operation when DTCs are stored. If the switching solenoid is disabled due to proh ...
