On-Vehicle Inspection

BRAKE SYSTEM (OTHER): BRAKE BOOSTER: ON-VEHICLE INSPECTION

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.

If the pedal can be depressed to the floor the first time, but cannot be depressed as far the second and third time, the booster is airtight.





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(2) Depress the brake pedal while the engine is running and stop the engine with the brake pedal depressed.

If there is no change in the pedal reserve distance while holding the pedal for 30 seconds, the booster is airtight.

(b) Operation check

(1) Depress the brake pedal several times with the ignition switch off and check that there is no change in the pedal reserve distance when the pedal is depressed.





(2) Depress and hold down the pedal, and then start the engine.

If the pedal goes down slightly, operation is normal.