ABS (DIAGNOSTICS) > Check List for Interview

CHECK

Check the following items regarding condition of the vehicle.

1. STATE OF ABS WARNING LIGHT

ABS warning light comes on.

Always

Sometimes

Only once

Does not come on

• When and for how long does it come on?

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 to 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:

2. STATE OF BRAKE WARNING LIGHT

Brake warning light comes on.

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 come on?

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 to 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:

3. SYMPTOMS

ABS operating condition

Does not operate.

Operates only when applying the brakes suddenly.

Vehicle speed:

km/h

MPH

• How to step 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:

4. CONDITIONS UNDER TROUBLE OCCURRENCE

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

• Description:

l) Others: