Subaru 2002 IMPREZA Service Manual page 2105

2. SYMPTOMS
❏ Performs no work.
ABS operating condi-
tion ❏ Operates only when abruptly applying brakes.
• How to step on brake pedal :
a) Operating time :
b) Operating noise : ❏ Produce / ❏ Does not produce
• What kind of noise?
c) Reaction force of brake pedal
Behavior of vehicle a) Directional stability cannot be obtained or steering arm refuses to work when applying brakes :
❏ Yes / ❏ No
• When :
b) Directional stability cannot be obtained or steering arm refuses to work when accelerating :
❏ Yes / ❏ No
• When :
c) Brakes are out of order : ❏ Yes / ❏ No
• What :
d) Poor acceleration : ❏ Yes / ❏ No
• What :
e) Occurrence of vibration : ❏ Yes / ❏ No
• Where
• What kind :
f) Occurrence of abnormal noise : ❏ Yes / ❏ No
• Where
• What kind :
g) Occurrence of other phenomena : ❏ Yes / ❏ No
• What kind :
CHECK LIST FOR INTERVIEW
ABS-7
ABS (DIAGNOSTICS)
Vehicle speed :
❏ Knock
❏ Gong gong
❏ Bong
❏ Buzz
❏ Gong gong buzz
❏ Others :
❏ Stick
❏ Press down once with a clunk
❏ Press and released
❏ Others :
❏ Vehicle turns to right
❏ Vehicle turns to left
❏ Spins
❏ Others :
❏ Vehicle turns to right
❏ Vehicle turns to left
❏ Spins
❏ Others :
❏ Braking distance is long
❏ Brakes lock or drag
❏ Pedal stroke is long
❏ Pedal sticks
❏ Others :
❏ Fails to accelerate
❏ Engine stalls
❏ Others :
km/h
MPH
sec