Lexus ES manuals

Lexus ES: 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

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 Installation

INSTALLATION PROCEDURE 1. INSTALL BRAKE BOOSTER GASKET (a) Install a new brake booster gasket to the brake booster assembly. 2. INSTALL BRAKE BOOSTER ASSEMBLY (a) Temporarily install the brake booster

 Installation

INSTALLATION PROCEDURE 1. INSTALL BRAKE BOOSTER GASKET (a) Install a new brake booster gasket to the brake booster assembly. 2. INSTALL BRAKE BOOSTER ASSEMBLY (a) Temporarily install the brake booster

 On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. HINT: I

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 Lost Communication with Steering Heater ECU (B14B7)

DESCRIPTION The heated steering wheel controller (steering vibration ECU) communicates with the air conditioning amplifier assembly via LIN communication. B14B7 is output when a communication malfunction is detected with the air conditioner amplifier assembly and heated steering wheel controller (st

 Definition Of Terms

DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group of diagnostic trouble codes that are output by the ECM based on the same malfunction detection logic.

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