Subaru Legacy BN/BS (2015-2019) Service Manual: Check list for interview check

Subaru Legacy BN/BS (2015-2019) Service Manual / Power assisted system (power steering) (diagnostics) / Check list for interview check

Check the following items regarding condition of the vehicle.

1. TROUBLE STATUS

Phenomenon of the vehicle

Steering is heavy

Steering is not smooth

Steering is unstable (wondering)

Steering does not return to center

Steering is not straight

Steering force required is not the same for right and left turn

Steering force required is not even

Steering is too light

Noise

Vibration

STEERING warning light illuminates

Other

Frequency

Always

Sometimes

Immediately after starting the engine

Only once

Other

Recovers after leaving it for minutes

Steering wheel operation

Dry steering

When turning

Quick steering

Slow steering

Returning the steering wheel

Releasing the steering wheel

Only supporting the steering wheel by hand

Repetitive dry steering

Steering wheel status / direction

Around center position

Near end of lock to lock

When turning the steering to right

When turning the steering to left

Both to right and to left

(1) Steering angle: degrees

(2) Maneuvering time: minutes

Slow steering

Quick steering

While holding the steering

When repeating the dry wheel operation

Vehicle speed

Stall 0 km/h (0 MPH)

Very low speed — 20 km/h (— 12 MPH)

Low speed — 40 km/h (— 25 MPH)

Medium speed — 80 km/h (— 50 MPH)

High speed — 80 km/h or more (— 50 MPH or more)

At starting

While accelerating

While decelerating

When accelerating rapidly

When decelerating rapidly

Other

Engine speed

Idling

(1) Around rpm

(2) rpm — rpm

(3) rpm or more / or less

2. STATE OF STEERING WARNING LIGHT

STEERING warning light illuminates	Always Sometimes Only once Does not illuminate Other
Ignition key position	LOCK ACC ON (when starting engine) START ON (when starting engine, while engine is running) ON (when starting engine, when engine is at a standstill)
Timing	Immediately after turning the ignition ON Immediately after turning the ignition to START
	Idling While accelerating While decelerating When cruising at — km/h (MPH)
	When other electrical parts are operating (parts name: operating condition: )

3. ENVIRONMENT

a) Weather	Fine Cloudy Rainy Snowy Others:
b) Outside temperature	°C ( °F)
c) Road	Inner city Suburbs Highway Local street Alley way Private road Parking lot Mountain road Paved road Unpaved road Gravel road Sandy place Muddy road Concrete road Stone pavement Racetrack Others:
d) Road surface	Dry Wet Covered with fresh snow Covered with hardened snow Others:
e) Tire	Tire chain Studless tire T-type tire (front RH, front LH, rear RH, rear LH)
f) Tire inflation pressure	Front RH: kPa Front LH: kPa Rear RH: kPa Rear LH: kPa
g) Degree of wear	Front RH: mm (in) Front LH: mm (in) Rear RH: mm (in) Rear LH: mm (in)
h) Genuine part	Yes No Record after-market parts if any. (Steering wheel, audio, tires, and similar parts)
i) Condition of suspension alignment
j) Electrical load conditions	Audio Air conditioner Other
k) Loaded state	Condition:
l) Repair parts	None Provided Contents:
m) Others

Basic diagnostic procedure procedure

CAUTION:• The power steering control module continues to operate after the engine stops and calculate the temperature in the control module. Therefore, before starting service of the power steer ...

Clear memory mode operation

1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System Check».4. O ...

Other materials:

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DTC DETECTING CONDITION:When error flag from VDCCM is detected for 2 seconds after the ignition switch is ON.STEPCHECKYESNO1.CHECK DTC.Read the DTC of VDC system using the Subaru Select Monitor.Is a DTC related to VDC system (sensors) detected-Perform the diagnosis according to the DTC. List of Dia ...