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 vehicle conditions even when the system is in standby mode and the brake hold standby indicator light is illuminated. If there is a system malfunction that causes brake hold control to be prohibited, when the vehicle is under the following conditions and the brake hold switch (electric parking brake switch assembly) is turned on, the brake hold operated indicator light blinks.
HINT:
CAUTION / NOTICE / HINT NOTICE: After replacing the skid control ECU (brake booster with master cylinder assembly), perform linear solenoid valve offset learning, ABS holding solenoid valve learning, yaw rate and acceleration sensor zero point calibration and system information memorization after performing "Reset Memory". Click here PROCEDURE
(a) Check that the brake hold standby indicator light operates normally. Click here (b) If the brake hold operated indicator light does not illuminate although the brake hold standby indicator light is illuminated, check that the following brake hold operation (maintaining brake fluid pressure) conditions are met.
HINT: If a malfunction occurs in one of the following systems, the brake hold operated indicator light will blink. If this occurs, perform troubleshooting on the malfunctioning system.
(a) Turn the power switch off. (b) Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream. Click here Body Electrical > Combination Meter > Active Test
(c) Check the combination meter assembly. OK: The brake hold operated indicator light turns on or off in accordance with Techstream operation.
(a) Select the Active Test on the Techstream. Click here Chassis > ABS/VSC/TRAC > Active Test
(b) Check the operating condition of the brake hold operated indicator light when operating it using the Techstream.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Grille Shutter: 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 grille shutter removal/installation are shown below. Necessary Procedure After Parts Removed/Installed/ ...