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 CAN communication.
CAUTION / NOTICE / HINT NOTICE: After replacing or reinstalling the yaw rate and acceleration sensor (airbag ECU assembly), perform yaw rate and acceleration sensor zero point calibration after clearing previously calibrated data. Click here
PROCEDURE
(a) Check that the yaw rate and acceleration sensor (airbag ECU assembly) has been installed properly. Click here OK: The yaw rate and acceleration sensor (airbag ECU assembly) is tightened to the specified torque. The yaw rate and acceleration sensor (airbag ECU assembly) is not tilted.
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Toyota Avalon Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Brake Hold Operated Indicator Light Circuit
DESCRIPTION The brake hold operated indicator light illuminates when the brake hold system is operating (vehicle stopped via brake fluid pressure hold) and turns off when the brake hold system operation is finished (brake fluid pressure decreases). The brake hold system may not operate depending on ...