Subaru Legacy IV (2008 year). 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: