Subaru Legacy IV (2008 year). Service manual — part 901
ABS(diag)-3
Check List for Interview
ABS (DIAGNOSTICS)
2. Check List for Interview
A: CHECK
Check the following items regarding condition of the vehicle.
1. STATE OF ABS WARNING LIGHT
ABS warning light
illuminates.
Always
Sometimes
Only once
Does not come on
When and for how long does it illuminate?
Ignition key position
LOCK
ACC
ON (before starting engine)
START
ON (after starting engine, engine is running)
ON (after starting engine, engine is at a standstill)
Timing
Immediately after turning the ignition ON.
Immediately after turning the ignition to START.
While accelerating
—
km/h
—
MPH
While driving at a constant speed
km/h
MPH
While decelerating
—
km/h
—
MPH
When turning to the right
Steering angle:
deg
Steering time:
Sec.
When turning to the left
Steering angle:
deg
Steering time:
Sec.
When other electrical parts are operating
• Parts name:
• Operating condition:
ABS(diag)-4
Check List for Interview
ABS (DIAGNOSTICS)
2. STATE OF BRAKE WARNING LIGHT
Brake warning light
illuminates.
Always
Sometimes
Only once
Does not come on
When pulling the parking brake lever.
When releasing the parking brake lever.
When and for how long does it illuminate?
Ignition key position
LOCK
ACC
ON (before starting engine)
START
ON (after starting engine, engine is running)
ON (after starting engine, engine is at a standstill)
Timing
Immediately after turning the ignition ON.
Immediately after turning the ignition to START.
While accelerating
—
km/h
—
MPH
While driving at a constant speed
km/h
MPH
While decelerating
—
km/h
—
MPH
When turning to the right
Steering angle:
deg
Steering time:
Sec.
When turning to the left
Steering angle:
deg
Steering time:
Sec.
When other electrical parts are operating
• Parts name:
• Operating condition:
ABS(diag)-5
Check List for Interview
ABS (DIAGNOSTICS)
3. SYMPTOMS
ABS operating
condition
Does not operate.
Operates only when applying the brakes suddenly.
Vehicle speed:
km/h
MPH
Procedures for stepping on the brake pedal:
a) Operating time:
Sec.
b) Operating noise:
Occurs. /
Does not occur.
What kind of noise?
Knocking
Gong gong
Thump
Buzz
Gong gong buzz
Others:
c) Reaction force of brake pedal
Sticks
Weak pedal resistance
Strong pedal resistance
Others:
Condition of vehicle
a) Directional stability cannot be obtained or the steering does not respond when applying brakes:
Yes /
No
When:
When turning to the right
When turning to the left
When spinning out
Others:
b) Directional stability cannot be obtained or the steering does not respond when accelerating:
Yes /
No
When:
When turning to the right
When turning to the left
When spinning out
Others:
c) Poor brake performance:
Yes /
No
What kind:
Braking distance is long.
Brakes lock or drag.
Pedal stroke is long.
Pedal sticks.
Others:
d) Poor acceleration:
Yes /
No
What kind:
Fails to accelerate.
Engine stalls.
Others:
e) Occurrence of vibration:
Yes /
No
• Where
• What kind:
f) Occurrence of noise:
Yes /
No
• Where
• What kind:
g) Other troubles occurred:
Yes /
No
What kind:
ABS(diag)-6
Check List for Interview
ABS (DIAGNOSTICS)
4. CONDITIONS UNDER WHICH TROUBLE OCCURS
Environment
a) Weather
Fine
Cloudy
Rainy
Snowy
Others:
b) Ambient temperature
°C ( °F)
c) Road
Inner city
Suburbs
Highway
Local street
Uphill
Downhill
Paved road
Gravel road
Muddy road
Sandy place
Others:
d) Road surface
Dry
Wet
Covered with fresh snow
Covered with hardened snow
Frozen slope
Others:
Condition
a) Brakes
Deceleration:
G
Intermittent /
Temporary
b) Accelerator
Acceleration:
G
Intermittent /
Temporary
c) Vehicle speed
km/h
MPH
Advancing
While accelerating
While decelerating
At low speed
When turning
Others:
d) Tire inflation pressure
Front RH tire:
kPa
Front LH tire:
kPa
Rear RH tire:
kPa
Rear LH tire:
kPa
e) Degree of wear
Front RH tire:
Front LH tire:
Rear RH tire:
Rear LH tire:
f) Genuine parts are used.:
Yes /
No
g) Tire chain is attached:
Yes /
No
h) T-type tire is used.:
Yes /
No
i) Condition of suspension alignment:
j) Loaded state:
k) Repair parts are used.:
Yes /
No
Contents:
l) Others:
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