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 > Front Camera System(for Gasoline Model): Vehicle Speed Sensor Circuit (C1AA3)
DESCRIPTION The forward recognition camera receives vehicle speed signals from the skid control ECU (brake actuator assembly). If the skid control ECU (brake actuator assembly) receives a vehicle speed sensor malfunction signal, it informs the forward recognition camera via CAN communication, and DT ...
