Brake Assist System Diagnosis

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DEFINITION: This diagnostic table is designed to diagnose ONLY the components of the brake ASSIST system in order to determine if the brake ASSIST system is operating properly. You will be directed by the appropriate Symptom table to go to other brake system diagnostic tab...

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You may preview the service manual table of contents by clicking below.

Service Manual Table of Contents

Document Tags

Document Title: Brake Assist System Diagnosis

diagnostic

table

components

brake

assist

system

determine

symptom

step

vacuum

inspect

pedal

travel

inspection

worn

missing

misaligned

bent

damaged

damage

condition

replace

check

engine

source

booster

test

reading

controls

start

operation

equipped

correct

valve

power

replacement

complete

sensor

grommet

scan

tool

using

data

available

area

perform

leak

release

accelerate

throttle

repeat

once

turn

ignition

observe

rate

allowable

deplete

reserve

several

times

removing

master

cylinder

seal

rear

reinstall

depress

slightly

symptom table

brake system

brake pedal

pedal system

system components

vacuum source

vacuum brake

brake booster

engine controls

vacuum booster

booster check

step replace

replace vacuum

check valve

complete replacement

vacuum sensor

equipped vacuum

perform vacuum

booster leak

leak test

release brake

accelerate engine

start engine

rate vacuum

vacuum leak

deplete vacuum

vacuum reserve

brake master

cylinder replacement

vacuum seal

rear master

inspect seal

seal damage

reinstall master

brake pedal travel

pedal system components

brake pedal pushrod

inspect brake pedal

brake pedal system

check engine vacuum

vacuum brake booster

vacuum source test

vacuum booster check

step replace vacuum

vacuum sensor grommet

vacuum sensor data

sensor data available

step perform vacuum

perform vacuum booster

vacuum booster leak

booster leak test

leak test using

test using scan

tool release brake

release brake pedal

turn ignition start

ignition start engine

observe record vacuum

record vacuum sensor

vacuum sensor reading

sensor reading scan

reading scan tool

over period ofseconds

period ofseconds important

ofseconds important vacuum

important vacuum readings

vacuum readings decrease

level determine rate

determine rate vacuum

rate vacuum leak

vacuum leak specificationmaximum

leak specificationmaximum allowable

specificationmaximum allowable vacuum

allowable vacuum leak

vacuum leak rate

leak rate kpa

inseconds rate vacuum

vacuum leak specified

leak specified allowable

deplete vacuum reserve

master cylinder vacuum

cylinder vacuum brake

disconnect brake pipes

brake master cylinder

master cylinder replacement

equipped vacuum seal

vacuum seal rear

seal rear master

cylinder inspect seal

inspect seal damage

seal damage correct

damage correct positioning

cylinder replace vacuum

replace vacuum seal

carefully reinstall master

reinstall master cylinder

master cylinder brake

cylinder brake booster

refer brake master

cylinder replacement complete

brake pedal several

pedal several times

brake pedal slightly