Subaru Legacy (2005 year). Manual — part 179

CHECK ENGINE START FAILURE.
1) Ask the customer when and how the trou-
ble occurred using the interview check list.
<Ref. to EN(H4SO 2.5)(diag)-3, CHECK,
Check List for Interview.>
2) Start the engine.

Does the engine start?

Go to step 2.

Inspection using
“Diagnostics for
Engine Starting
Failure” <Ref. to
EN(H4SO
2.5)(diag)-53,
Diagnostics for
Engine Starting
Failure.>

CHECK ILLUMINATION OF MALFUNCTION
INDICATOR LIGHT.

Does the malfunction indicator
light illuminate?

Go to step 3.

Inspection using
“General Diagnos-
tic Table”. <Ref. to
EN(H4SO
2.5)(diag)-257,
INSPECTION,
General Diagnos-
tic Table.>

CHECK DTC.
1) Turn the ignition switch to OFF.
2) Connect the Subaru Select Monitor or gen-
eral scan tool to data link connector.
3) Turn the ignition switch to ON.
4) Read DTC using Subaru Select Monitor or
general scan tool.

NOTE:

• Subaru Select Monitor
For detailed operation procedure, refer to
“Read Diagnostic Trouble Code (DTC)”. <Ref.
to EN(H4SO 2.5)(diag)-32, Read Diagnostic
Trouble Code (DTC).>
• General scan tool
For detailed operation procedure, refer to the
general scan tool operation manual.

Is DTC displayed on the Sub-
aru Select Monitor or general
scan tool?

Record the DTC.
Repair the trouble
cause. <Ref. to
EN(H4SO
2.5)(diag)-69, List
of Diagnostic Trou-
ble Code (DTC).>
Go to step 4.

Repair the related
parts.

NOTE:
If DTC is not
shown on display
although the en-
gine warning light
illuminates, per-
form the diagnos-
tics of malfunction
indicator light cir-
cuit or combination
meter. <Ref. to
EN(H4SO 2.5)(di-
ag)-43, Malfunc-
tion Indicator
Light.>

PERFORM DIAGNOSIS.
1) Perform the clear memory mode. <Ref. to
EN(H4SO 2.5)(diag)-40, Clear Memory
Mode.>
2) Perform the inspection mode. <Ref. to
EN(H4SO 2.5)(diag)-33, Inspection Mode.>

Is DTC displayed on the Sub-
aru Select Monitor or general
scan tool?

Inspect using
“Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC)”.
<Ref. to EN(H4SO
2.5)(diag)-78,
Diagnostic Proce-
dure with Diagnos-
tic Trouble Code
(DTC).>

Finish the diagno-
sis.

EN(H4SO 2.5)(diag)-3

ENGINE (DIAGNOSTICS)

Check List for Interview

2. Check List for Interview

A: CHECK

1. CHECK LIST No. 1

Check the following items when problem has occurred.

NOTE:
Use copies of this page for interviewing customers.

Customer’s name

Engine No.

Date of sale

Fuel brand

Date of repair

Odometer reading

V.I.N.

miles

Weather

❏ Fine

❏ Cloudy

❏ Rainy

❏ Snowy

❏ Various/Others:

Ambient air temperature

°C (°F)

❏ Hot

❏ Warm

❏ Cool

❏ Cold

Place

❏ Highway

❏ Suburbs

❏ Inner city

❏ Uphill

❏ Downhill

❏ Rough road

❏ Others:

Engine temperature

❏ Cold

❏ Warming-up

❏ After warming-up

❏ Any temperature

❏ Others:

Engine speed

rpm

Vehicle speed

km/h (MPH)

Driving conditions

❏ Not affected

❏ At starting

❏ While idling

❏ At racing

❏ While accelerating

❏ While cruising

❏ While decelerating

❏ While turning (RH/LH)

Headlight

❏ ON / ❏ OFF

Rear defogger

❏ ON / ❏ OFF

Blower

❏ ON / ❏ OFF

Audio

❏ ON / ❏ OFF

A/C compressor

❏ ON / ❏ OFF

Car phone

❏ ON / ❏ OFF

Radiator fan

❏ ON / ❏ OFF

Front wiper

❏ ON / ❏ OFF

Rear wiper

❏ ON / ❏ OFF

EN(H4SO 2.5)(diag)-4

ENGINE (DIAGNOSTICS)

Check List for Interview

2. CHECK LIST No. 2

Check the following items about the vehicle’s state when malfunction indicator light turns on.

NOTE:
Use copies of this page for interviewing customers.

a) Other warning lights or indicators turn on.

❏ Yes / ❏ No

❏ Low fuel warning light

❏ Charge warning light

❏ AT diagnostic indicator light

❏ ABS warning light

❏ Oil pressure warning light
b) Fuel level

• Lack of gasoline:

❏ Yes / ❏ No

• Indicator position of fuel gauge:
• Experience of running out of fuel:

❏ Yes / ❏ No

c) Intentional connecting or disconnecting of harness connectors or spark plug cords:

❏ Yes / ❏ No

• What:

d) Intentional connecting or disconnecting of hoses:

❏ Yes / ❏ No

• What:

e} Installing of other parts except genuine parts:

❏ Yes / ❏ No

• What:
• Where:

f) Occurrence of noise:

❏ Yes / ❏ No

• From where:
• What kind:

g) Occurrence of smell:

❏ Yes / ❏ No

• From where:
• What kind:

h) Intrusion of water into engine compartment or passenger compartment:

❏ Yes / ❏ No

i) Troubles occurred
❏ Engine does not start.

❏ Engine stalls during idling.

❏ Engine stalls while driving.

❏ Engine speed decreases.

❏ Engine speed does not decrease.

❏ Rough idling

❏ Poor acceleration

❏ Back fire

❏ After fire

❏ Does not shift.

❏ Excessive shift shock

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Subaru Legacy (2005 year). Manual — part 179

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