Toyota Avalon Service & Repair Manual: Inspection

Toyota Avalon Service & Repair Manual / Brake / Brake System (other) / Brake Booster(for Gasoline Model) / Inspection

INSPECTION

PROCEDURE

1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY

(a) Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the booster side of the brake vacuum check valve assembly.

HINT:

If the result is not as specified, replace the brake vacuum check valve assembly.

*a

Ventilation

*b

No Ventilation

*c

Engine Side

*d

Brake Booster Assembly Side
    Disassembly

    Installation

    See More:

    Toyota Avalon Service & Repair Manual > Pre-collision System(for Gasoline Model): Brake System Malfunction (C1A50)
    DESCRIPTION When the pre-collision system is operating, the driving support ECU assembly sends brake control signals to the skid control ECU (brake actuator assembly). If the driving support ECU assembly receives an electronically controlled brake system malfunction signal from the skid control ECU ...

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    Toyota Avalon Service & Repair Manual

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