POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Check List for Interview

CHECK

Check the following items regarding condition of the vehicle.

1. STATE OF STEERING WARNING LIGHT

Steering warning light illuminates.

Always

Sometimes

Can be demonstrated

Cannot be demonstrated but occurs sometimes

Only once

Does not illuminate

• 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.

When accelerating

While idling

km/h

MPH

While driving at a constant speed

km/h

MPH

When decelerating

km/h

MPH

When other electrical parts are operating

• Parts name:

• Operating condition:

Steering wheel status

Position

Near center of lock to lock

Near end of lock to lock

When turning to the right

Steering angle:

deg

Steering time:

Sec.

When turning to the left

Steering angle:

deg

Steering time:

Sec.

Steering speed

Slow

Fast

Maintain (maintain at a certain angle)

2. SYMPTOM

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) Vibration: Yes / No

• Where

• What kind:

d) Noise: Yes / No

• Where

• What kind:

e) Other problems: Yes / No

• What kind:

3. CONDITIONS UNDER WHICH TROUBLE OCCURS

Environment

a) Weather

Fine

Cloudy

Rainy

Snowy

Others:

b) Outside temperature

°C (°F)

c) Road

Inner city

Suburbs

Highway

Local street

Uphill

Downhill

Paved road

Gravel road

Muddy road

Sandy place

Parking lot

Others:

d) Road surface

Dry

Wet

Covered with fresh snow

Covered with hardened snow

Frozen slope

Others:

Condition

a) Brakes

Intermittent / Temporary (normal)

b) Accelerator

Intermittent / Temporary

c) Vehicle speed, etc.

km/h

MPH

While parked in garage

At starting

Advancing

When accelerating

When accelerating rapidly

When decelerating

When decelerating rapidly

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 (Tire groove depth)

Front RH tire:

mm (in)

Front LH tire:

mm (in)

Rear RH tire:

mm (in)

Rear LH tire:

mm (in)

f) Genuine parts are used.: Yes / No

Record after-market parts if any. (Steering wheel, audio, tires, and similar parts)

g) Tire chain is attached: Yes / No

h) Using studless tires.: Yes / No

i) Using T-type tires.: Yes / No

j) Condition of suspension alignment:

k) Electrical load conditions (using audio system, air conditioning, or other accessories?): Audio / Air conditioning / Other

l) Load condition:

m) Repaired parts are used.: Yes / No

• Description:

n) Others: