ECU SUBARU IMPREZA WRX 2012 4.G Repair Manual

5. Remove the bulb from the headlight
assembly by turning it counterclockwise.
6. Replace the bulb with a new one. At
this time, do not touch the bulb surface.
7. To install the bulb to the headlight
assembly, turn it clockwise until it clicks.
8. Reconnect the electrical connector.
9. Install the bulb cover.
10. Install the air intake duct with clips
(right-hand side).
11. Set the washer tank to the original
place and secure it by clip (left-hand side).!
High beam light bulbsRight-hand side
1. Use a screwdriver to undo the clips on
the air intake duct, then remove the air
intake duct (right-hand side).
Left-hand side 2. Use a screwdriver to remove the
secured clip of the washer tank. To make
it easy to access the bulb, move the
washer tank to the horizontal direction
(left-hand side).
3. Disconnect the electrical connector
from the bulb.
Maintenance and service
11-41
– CONTINUED –

11-42Maintenance and service
4. Remove the bulb from the headlight
assembly by turning it counterclockwise.
5. Replace the bulb with new one. At this
time, use care not to touch the bulbsurface.
6. To install the bulb to the headlight
assembly, turn it clockwise until it clicks.
7. Reconnect the electrical connector.
8. Install the air intake duct with clips
(right-hand side).
9. Set the washer tank to the original
place and secure it by clip (left-hand side). &
Front turn signal light
It may be difficult to replace the bulbs.
Have the bulbs replaced by your SUBARU
dealer if necessary. & Front fog light (if equipped)
NOTE
It may be difficult to replace the bulbs.
Have the bulbs replaced by your
SUBARU dealer if necessary.
Type A
Type B
1. Remove the clips.
2. Turn over the mud guard.
3. Disconnect the electrical connector.

1) View from driver’s left-hand side
2) View from driver ’s right-hand side
4. Remove the bulb.
5. Replace the bulb with a new one.
6. After replacing the bulb, reattach the
mud guard. &
Rear combination lights
! 4-door models
1. Remove the clip from the rear trunk
trim with a screwdriver.
2. Open the rear portion of the side trunk
trim panel.
1) Brake/tail and rear side marker light
2) Rear turn signal light
3) Back-up light
3. Remove the bulb socket from the rear
combination light assembly by turning itcounterclockwise.
4. Pull the bulb out of the bulb socket and
replace it with a new one.
5. Set the bulb socket into the rear
combination light assembly and turn it
clockwise until it locks.
6. Secure the rear trunk trim panel with
the clips. Maintenance and service
11-43
– CONTINUED –

11-44Maintenance and service
! 5-door models
1. Using a Phillips screwdriver, remove
the upper and lower screws that secure
the rear combination light assembly.
2. Slide the rear combination light as-
sembly rearward and remove it from the vehicle.
1) Rear side marker light
2) Rear turn signal light
3. Remove the bulb socket from the rear
combination light assembly by turning itcounterclockwise.
4. Pull the bulb out of the bulb socket and
replace it with a new one.
5. Set the bulb socket into the rear
combination light assembly and turn it
clockwise until it locks.6. Put the rear combination light assem-
bly into place while aligning the clip with
the guide on the vehicle.
7. Tighten the upper and lower screws.

13-8Consumer information and Reporting safety defects
. Tread rib
A tread section running circumfer-
entially around a tire. . Tread separation
Pulling away of the tread from the
tire carcass. . Treadwear indicators (TWI)
The projections within the principal
grooves designed to give a visual
indication of the degrees of wear of
the tread. . Vehicle capacity weight
The rated cargo and luggage load
plus 150 lbs (68 kg) times thevehicle ’s designated seating capa-
city. . Vehicle maximum load on the
tire
Load on an individual tire that is
determined by distributing to each
axle its share of the maximum
loaded vehicle weight and dividing
by two. . Vehicle normal load on the tire
Load on an individual tire that is
determined by distributing to each
axle its share of the curb weight, accessory weight, and normal oc-
cupant weight (distributed in accor-
dance with Table 1 that is ap-
pended to the end of this section)
and dividing by 2.
. Wheel-holding fixture
The fixture used to hold the wheel
and tire assembly securely duringtesting.

14-6Index
I
Ignition switch .............................................................. 3-3
Light ....................................................................... 3-4
Illumination brightness control ...................................... 3-31
Immobilizer. ................................................................. 2-2
Indicator light (security indicator light) ....................... 3-23
Indicator light Cruise control ........................................................ 3-24
Cruise control set ................................................... 3-24
Front fog light ........................................................ 3-24
Headlight .............................................................. 3-24
High beam ............................................................ 3-24
Hill start assist OFF ................................................ 3-20
Immobilizer. ........................................................... 3-23
REV ..................................................................... 3-25Security ................................................................ 3-23
Shift-up ................................................................. 3-23
SI-DRIVE .............................................................. 3-23
Traction control OFF ............................................... 3-21
Turn signal ............................................................ 3-24
Vehicle Dynamics Control OFF ................................ 3-21
Vehicle Dynamics Control operation ................. 3-20, 3-21
Information display ..................................................... 3-26
Inside mirror .............................................................. 3-37
Interior lights ............................................................... 6-2
Internal trunk lid release handle ................................... 2-24
iiPod
®operations ........................................................ 5-26 J
Jack and jack handle
................................................... 9-4
Jack-up point .............................................................. 9-5
Jump starting .............................................................. 9-9
K
Key............................................................................ 2-2 Number .................................................................. 2-2
Reminder chime ...................................................... 3-4
Replacement. .......................................................... 2-3
L
Leather seat materials ................................................. 10-5
License plate light ..................................................... 11-45
Light
Back-up (4-door) .................................................. 11-43
Back-up (5-door) .................................................. 11-45
Brake/Tail and rear side marker (4-door) .................. 11-43
Cargo area ............................................................. 6-2
Control switch ........................................................ 3-29
Dome ..................................................................... 6-2
Front fog ..................................................... 3-33, 11-42
Front position ......................................................... 3-29
High mount stop ................................................... 11-47
Ignition switch ......................................................... 3-4
License plate ....................................................... 11-45
Map .............................................................. 6-3, 11-46
Rear combination ................................................. 11-43
Trunk .................................................................. 11-47
Turn signal ........................................ 3-30, 11-42, 11-43
Limited slip differential (LSD). ....................................... 7-24

Seatbelt................................................................. 5, 1-11
Fastening .............................................................. 1-12
Maintenance .......................................................... 1-19
Pretensioners ........................................................ 1-19
Safety tips ............................................................. 1-11
Warning light and chime ......................................... 3-13
Security Alarm system ........................................................ 2-15
ID plate ................................................................... 2-3
Immobilizer. ............................................................. 2-2
Indicator light ......................................................... 3-23
Shock sensors ....................................................... 2-19
Shift-up indicator light ................................................. 3-23
Shock sensors ........................................................... 2-19
Shopping bag hook .................................................... 6-11
SI-DRIVE
Indicator light ......................................................... 3-23
SI-DRIVE mode ......................................................... 7-22
Snow tires ......................................................... 8-8, 11-24
Snowy and icy roads .................................................... 8-7
Sounding a panic alarm .............................................. 2-10
Spark plugs ...................................................... 11-14, 12-3
Specifications ............................................................ 12-2
Speedometer ............................................................... 3-7
SRS Frontal airbag ........................................................ 1-43
SRS airbag (Supplemental Restraint System airbag) ... 5, 1-34
SRS airbag system
Monitors. ............................................................... 1-55
Servicing ............................................................... 1-56
Warning light ......................................................... 3-14 Starting the engine
...................................................... 7-9
State emission testing (U.S. only) .................................. 7-7
Steering wheel
Power ................................................................... 7-24
Tilt/telescopic ......................................................... 3-47
Stopping the engine .................................................... 7-10
Storage compartment ................................................... 6-4
Sun shade ................................................................. 2-29
Sun visors .................................................................. 6-4
Supplemental Restraint System airbag (SRS) ................ 1-34
Synthetic leather upholstery ......................................... 10-5
T
Tachometer ................................................................. 3-9
Temperature gauge ..................................................... 3-10
Temperature warning light Rear differential oil .................................................. 3-16
Temporary spare tire .................................................... 9-2
Tether (child restraint system) .............................. 1-29, 1-31
Tie-down hooks .......................................................... 9-13
Tire................................................................. 11-23, 12-9
Chains ................................................................... 8-9
Inspection ............................................................ 11-25
Pressures and wear .............................................. 11-25
Replacement. ....................................................... 11-29
Rotation .............................................................. 11-29
Size and pressure .................................................. 12-9
Types .................................................................. 11-23
Tire pressure monitoring system (TPMS) ....... 7-32, 9-8, 11-24
Warning light .......................................................... 3-16
Tires and wheels ...................................................... 11-23 Index
14-9