Toyota Avalon Service & Repair Manual: 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 > Can Communication System(for Hv Model): Open in Bus 3 Main Bus Line
    DESCRIPTION There may be an open circuit in one of the CAN main bus lines when the resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ECU (network gateway ECU) is 70 Ω or higher. Symptom Trouble Area Resistance between terminals 6 (CA3H) and 21 (CA3L) of the central gateway ...

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    Toyota Avalon Service & Repair Manual

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