2005 SUBARU IMPREZA check engine light

11 - 4 2
Maintenance and service
the vehicle checked at your SUBARU dealer. y
Never use different brands of clutch fluid to-
gether. y When clutch fluid is added, be careful not to
allow any dirt into the tank.
„ Recommended clutch fluid
FMVSS No. 116, fresh DOT 3 brake fluid
Brake booster
If the brake booster does not operate as described be-
low, have it checked by your SUBARU dealer.
1. With the engine off, depress the brake pedal sever-
al times, applying the same pedal force each time. The
distance the pedal travels should not vary.
2. With the brake pedal depressed, start the engine.
The pedal should move slightly down to the floor.
3. With the brake pedal depressed, stop the engine
and keep the pedal depressed for 30 seconds. The
pedal height should not change.
4. Start the engine again and run for about one minute
then turn it off. Depress the brake pedal several times
to check the brake booster. Brake booster operates
properly if the pedal stroke decreases with each de-
pression.

11 -4 3
Maintenance and service
– CONTINUED –
Brake pedal
Check the brake pedal free play and reserve distance
according to the maintenance schedule in the “War-
ranty and Maintenance Booklet”. „Checking the brake pedal free play
1) 0.04 – 0.12 in (1.0 – 3.0 mm)
Stop the engine and firmly depress the brake pedal
several times. Lightly press the brake pedal down with
one finger to check the free play with a force of less
than 2 lbs (10 N, 1 kg).
If the free play is not within proper specification, con- tact your SUBARU dealer. „
Checking the brake pedal reserve dis-
tance
1) More than 2.56 in (65 mm)
Depress the pedal with a force of approximately 66 lbs
(294 N, 30 kg) and measure the distance between the
upper surface of the pedal pad and the floor.
When the measurement is smaller than the specifica-
tion, or when the pedal does not operate smoothly,
contact with your SUBARU dealer.
1
HSB049BB
1
HSB050BB

11 - 4 4
Maintenance and service
Clutch pedal (MT vehicles)
Check the clutch pedal free play and reserve distance
according to the maintenance schedule in the “War-
ranty and Maintenance Booklet”. „
Checking the clutch function
Check the clutch engagement and disengagement.
1. With the engine idling, check that there are no ab-
normal noises when the clutch pedal is depressed,
and that shifting into 1st or reverse feels smooth.
2. Start the vehicle by releasing the pedal slowly to
check that the engine and transmission smoothly cou-
ple without any sign of slippage. „
Checking the clutch pedal free play
1) 0.16 – 0.51 in (4.0 –13.0 mm)
Lightly press the clutch pedal down with your finger
until you feel resistance, and check the free play.
If the free play is not within proper specification, con-
tact your SUBARU dealer.
1
HSB049BB

14-3
Index
C
Capacities .......................................................... 12-4
Cargo
Area cover .................................................... 6-14
Area light ............................................. 6-2, 11-81
Tie-down hooks ............................................ 6-17
Catalytic converter ............................................... 8-4
Center Console .......................................................... 6-6
Ventilators ....................................................... 4-3
Changing
Flat tire ............................................................ 9-5
Oil and oil filter ............................................ 11-12
Charge warning light ......................................... 3-22CHECK ENGINE warning light/
Malfunction indicator lamp ............................. 3-21
Checking
Brake pedal free play .................................. 11-43
Brake pedal reserve distance ..................... 11-43
Clutch function ............................................ 11-44
Clutch pedal free play ................................. 11-44
Engine oil level ........................................... 11-11
Fluid level ................. 11-32, 11-38, 11-40, 11-41
Gear oil level ........................ 11-30, 11-35, 11-36
Child restraint systems ...................................... 1-32 Installation with A/ELR seatbelt .................... 1-36
Lower and tether anchorages ....................... 1-43 Child safety ............................................................. 7
Locks ............................................................ 2-23
Chime Key ................................................................. 3-5
Seatbelt ............................................... 1-15, 3-20
Cigarette lighter socket ........................................ 6-9
Cleaning Aluminum wheels ......................................... 10-3
Interior .......................................................... 10-6
Ventilator grille .............................................. 4-17
Climate control system Automatic ...................................................... 4-11
Manual ............................................................ 4-4
Clock ................................................................. 3-29
Clutch fluid ....................................................... 11-41
Clutch pedal .................................................... 11-44
Coat hook .......................................................... 6-14
Coin tray .............................................................. 6-6
Cooling system ................................................ 11-18
Corrosion protection ................................. 8-14, 10-4
Cruise control .................................................... 7-38 Indicator light ................................................ 3-27
Set indicator light .......................................... 3-27
Cup holder ........................................................... 6-7 D
Daytime running light system ............................ 3-32

14-6
Index
Number ........................................................... 2-3
Reminder chime ............................................. 3-5
Keys .................................................................... 2-2 L
Leather seat materials ....................................... 10-6
Light Cargo area .......................................... 6-2, 11-81
Dome ................................................... 6-2, 11-81
Map ..................................................... 6-3, 11-81
Light control switch ............................................ 3-30
Limited slip differential (LSD) ............................ 7-28
Loading your vehicle ......................................... 8-17
LSD (Limited slip differential) ............................ 7-28 M
Main fuse ......................................................... 11-68
Maintenance Precautions .................................................. 11-3
Schedule ...................................................... 11-3
Seatbelt ........................................................ 1-27
Tools ............................................................. 9-24
Malfunction indicator lamp (Check Engine
light) ............................................................... 3-21
Manual climate control system ............................ 4-4
Manual transmission 5 speeds ....................................................... 7-15 6 speeds ....................................................... 7-12
Map light ................................................... 6-3, 11-81
Maximum load limits .......................................... 8-29
Meters and gauges .................................... 3-7, 3-15
Mirrors ............................................................... 3-45
Moonroof .................................................. 2-33, 9-23 N
New vehicle break-in driving – the first 1,000
miles (1,600 km) .............................................. 8-2
O
Odometer/Trip meter .................................. 3-8, 3-15
Off road driving .................................................... 8-8
Oil filter ............................................................ 11-12
Oil level Engine ........................................................ 11-11
Front differential (AT vehicles) ................... 11-35
Manual transmission .................................. 11-30
Rear differential .......................................... 11-36
Oil pressure warning light .................................. 3-22
Outside mirrors .................................................. 3-48
Outside temperature indicator .................. 3-12, 3-19
Overheating engine ........................................... 9-16

14-9
Index
Types .......................................................... 11-47
Tires and wheels ............................................. 11-47
Top tether anchorages ...................................... 1-47
Towing ............................................................... 9-17 All wheels on the ground .............................. 9-21
Flat-bed truck ................................................ 9-20
Trailer
Hitch ............................................................. 8-25
Hitches .......................................................... 8-34
Towing .......................................................... 8-29
Towing tips ................................................... 8-37
Trunk lid ............................................................. 2-27 Release handle ............................................. 2-28
Trunk light ........................................................ 11-82
Turn signal Indicator lights .............................................. 3-27
Lever ............................................................. 3-32
U
Under-floor storage compartment ...................... 6-18 V
Valet mode ........................................................ 2-20
Vanity mirror ........................................................ 6-4Vehicle Capacity weight ............................................ 8-19
Identification ............................................... 12-11 Symbols ............................................................. 4
Ventilator ............................................................. 4-2 W
Warning and indicator lights .............................. 3-20
Warning lights ABS .............................................................. 3-23
All-wheel drive .............................................. 3-26
Anti-lock Brake system ................................. 3-23
AT OIL TEMPerature .................................... 3-22
Brake system ................................................ 3-24
Charge .......................................................... 3-22
CHECK ENGINE .......................................... 3-21
Door open ..................................................... 3-26
Oil pressure .................................................. 3-22
R.Diff TEMPerature ...................................... 3-23
Seatbelt ............................................... 1-15, 3-20
SRS airbag system ....................................... 3-20
Warranties and maintenance ............................ 8-29
Washing ............................................................ 10-2
Waxing and polishing ........................................ 10-3
Wear indicators ............................................... 11-51
Wheel Alignment ...................................................... 12-6
Balance ....................................................... 11-51
Replacement .............................................. 11-53
Windows ............................................................ 2-24