DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication. 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 if CAN communication system DTCs are output. Click here
(a) Select the Active Test on the Techstream. Click here Chassis > ABS/VSC/TRAC > Active Test
(b) Check the operating condition of the slip indicator light when operating it using the Techstream.
(a) Perform the Active Test of the combination meter assembly (meter CPU) using the Techstream. Click here Body Electrical > Combination Meter > Active Test
(b) Check that the slip indicator light turns on or off in accordance with the Active Test. OK: The slip indicator light turns on or off in accordance with Techstream operation.
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Brake Hold Operated Indicator Light Circuit
DESCRIPTION The brake hold operated indicator light illuminates when the brake hold system is operating (vehicle stopped due to 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 ...