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 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Invalid Data Received from Deceleration Sensor (C1442,C1443)
DESCRIPTION The airbag ECU assembly has a built-in yaw rate and acceleration sensor and detects the vehicle condition using 2 circuits (GL1, GL2). The skid control ECU (brake booster with master cylinder assembly) receives signals from the yaw rate and acceleration sensor (airbag ECU assembly) via t ...
