2006 MITSUBISHI COLT lock

CONSTRUCTION DESCRIPTION
ANTI-SKID BRAKE SYSTEM (ABS)35B-6
CONSTRUCTION DESCRIPTION
SENSORSM2351001000427
WHEEL SPEED SENSORS AND MAG-
NETIC ENCODER FOR WHEEL SPEED
DETECTION
AC601358
Rear wheel speed sensor
Front wheel speed sensor
Front Rear Rear
Encoder for wheel
speed detection Encoder for wheel
speed detectionRear wheel speed sensor
Encoder for wheel
speed detection
AB
Wheel spee d se nsor is a kin d of a pulse gen erator
consisted of
a mag netic encoder (a pla t e on which
north an
d so uth po le sides of th e mag net are
arrange
d alte rnately) for wh eel speed detection
which rot
a tes at the same speed of the wheels, and a
spee
d sen s or (semicon duct o r se nsor), send s fre
-
quency pulse sig nals in proportion to wh eel spee d.
Front wheel sp eed sensor co nsist s of a front whe e l
spee
d sen s or secu red on the knuckle, and a mag
-
netic encoder for wheel spee d dete c tio n fitt ed to th e
inside o
f the fro n t wheel bearing. Rear wh eel speed
sensor consist
s o f a rear wh eel speed sensor
secured on
the re ar hub, and a magn etic encoder fo r
whe
e l speed detection press fit t ed to the rear hub
inner ring.
ABS-ECU
M23510030 0025 2
•By integrating ABS-ECU into the hydraulic unit ,
no
more wiring h a rnesses for sending signal that
ope
rates the solen o id valve an d pump mo tor is
requ
ired, assuring high er reliability .
•Self-diag nostic p r ograms an d memory functions
are
integrated into ABS-ECU. If any malfunction
is dete
c ted by th e se lf-diagnostic function,
ABS-ECU activates
a fail-s afe function and illumi
-
nates ABS warning lamp and brake warning
la
mp
*.
NO TE: *: ABS-E CU illuminates the brake warning
l
a
m
p as EBD c o nt ro l wa rn in g la m p .
•ABS-ECU detects vehicle speed from the wheel
speed sensor signal, reco
gnizes the whee l rot a
-
tion, estimates the wheel slip condition based on
the
preprog rammed algorithm, a nd the n co ntrols
th
e soleno id valve in the hydr aulic u n it so th at the
wheels d
o not lock.
ABS FLUID PRESSURE CONTROL
FOUR-WHEEL CONTROL
ABS fluid pressure is controlled indep enden tly for
four whee
ls.

GENERAL INFORMATION
EXTERIOR51-2
GENERAL INFORMATION
M2510000101603
FEATURES
BETTER APPEARANCE
1. Two kinds of radiator grille have been provided.
2. Exclusive radiator grille and front bumper ART Version-R>
3. Exclusive rear bumper
4. Side air dam
5. Tailgate spoiler
6. Rear wiper with resin arm
BETTER AERODYNAMIC CHARACTERISTICS
7. Front and rear overfenders

8. Side air dam
9. Tailgate spoiler
10. Low air-resistance door mirrors
11. Front under cover
Improvement of cooling efficiency
12. Air guide panels have been installed behind the
front bumper for efficient cooling of the radiator.
BETTER USER-FRIENDLINESS
13. Electric retractable remote controlled door mirror
BETTER PRODUCT PACKAGE
14. Vehicle speed sensitive intermittent time variable
windshield wipers
15. Initial continuous operation and reverse inter-
locked operating rear intermittent wiper
16. Tailgate lower garnish< RALLIART Version-R>
SUPPORT RECYCLING OF RESOURCES
Aggressively uses PP (polypropylene) materials that
are easy to recycle and easy to stamp material sym
-
bols on the plastic (resin) parts.
AC601394

6, 15
10, 13
4, 8
12 14
11
6, 15
16
10, 137
14
5, 9
4, 8
AB
5, 9
3
11
7
2
1

WIPER AND WASHER
EXTERIOR51-11
REAR WIPER AND WASHER
M2510008000403
CONSTRUCTION DIAGRAM
AC510298AB
Washer hoseWasher nozzle
Wiper motor
Wiper arm
Wiper blade
•A plastic (resin) wiper arm and
blade assemb ly
has bee
n adop ted for we ight re duct i on, with
emphasis on
an integ r ity appea rance of the arm
and
blad e for be tter looking.
•The wiper interval fixed type intermitte nt wiper
has bee
n adop ted, th us improving a clear re ar
view in
rainy weather .
•The wa sher t a n k is co mmonly sha r ed with the
wind
shield washer fluid.
•The rear wipe r moves a co uple of times at low
sp
eed whe n the switch is turned on (in i tia l contin
-
uous moveme nt), and opera t es at a fixe d interval
af
terwards to pr ovid e a clear rear view in rainy
weathe
r .
•When the re ar wiper switch is in the in termittent
position an
d the g ear in reve rse, th e rear wiper
will co
ntinu ously wipe 2 to 3 times in low spee d
af
ter about 1 second, and thereaf ter contin ue with
in
termittent wiping with the reve rse interlocked
wipe
r function employe d .
•The washer-linke d wiper function * has b een int r o-
duced. The wash er flu i d can be injected withou t
ope
rating the wip e r optionally . Wh en the ignition
switch is tu
rned ON with th e washe r switch ON,
the
wa sher moto r operate s bu t the wiper doe s
not
.
NO TE: *: Using a cust omisation fea t ure, th e
wa
sher
-lin ked wiper fun c tio n ca n be e nable d or disa
-
bled optio nally . Refer to GROUP 54 B, Cu stomise
Funct
i on
P.54B-25.

BASE ENGINE
ENGINE MECHANICAL <4G1>11B-3
BASE ENGINE
M2112001000886
CYLINDER HEAD GASKET
AK402138
A
AC
AA-A
To co rrespo nd wi th the imp r ove d o u t put pe rfo r ma nce
by emplo
y in g the t u rbocharger , a three layer me t a l
gasket is used.
CYLINDER BLOCK
AK402048AC
Oil jet
The cylinder bl ock has the oil jet fitted o n the main
bearin
g among th e cylin ders in ord e r to make the
pist
on cool. T he oil is injecte d from the o il g r oove of
the main b
earin g when th e oil pressure is 2kg/ cm
2 or
more.

GENERAL INFORMATION
ENGINE MECHANICAL <4A9>11A-2
GENERAL INFORMATION
M2112000100697
The newly developed 1.5L 4A91 engine features
4-cylinder, 16-valve, and double overhead camshafts
(DOHC).
The engine has the following features.
•Aluminum cylinder block
•MIVEC (Mitsubishi Innovative Valve timing Elec-
tronic Control system)
•Selective valve tappet of direct acting valve sys-
tem for valve clearance adjustment
•Timing chain
MAJOR SPECIFICATIONS
Item4A91
Total displacement mL1,499
Bore × Stro ke mm75 × 84.8
Compression ratio10.0
Compression chamberPentroof-type
Va l v e t i m i n gIntake openingBTDC 31° − AT D C 1 9°
Intake closingABDC 21° − ABDC 71°
Exhaust openingBBDC 39°
Exhaust closingATDC 5°
Maximum output kW (PS)/rpm77 (104)/6,000
Maximum torque N⋅m (kg⋅m)/rpm141 (14.4)/4,000
Fuel systemElectronically controlled multipoint fuel injection
Ignition systemElectronic-controlled 4-coil

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-5
CYLINDER BLOCK
AK402339AC
Front view
Right side view
Under view
Top view
Rear view
Left side view
Thermostat case installation positionOil filter bracket installation position Front
Front Front Front
Nipple
The cylinder b
l ock is ma de of ligh twe i ght aluminum
allo
y .
The crankshaf t jo urnal is supp orted b y 5 b earing s .
The crankshaf
t thru st load is supporte d by No . 4
bearin
g.
The water jacket is of a full-siamese de sig n .
A nipple is p r ovid ed at the fr o n t of the block to su pply
engin
e oil onto the timin g ch ain.
ItemDimension
Overall height mm280
Overall length mm375.1
Top face to crankshaft
center mm205
Crankshaft center to
bottom face mm75
Bore mm75
Bore pitch mm83
Stroke mm84.8

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-9
CRANKSHAFT
AK305068AD
Oil pump drive
gear shaft
Crankshaft
sprocket
Crankshaft sensing ring
CrankshaftOil hole
Oil hole
Balance weightBalance weightBalance weight
A casted crankshaf
t is used for t he cr ankshaf t.
The crankshaft consist s o f 5 ma in be aring s an d 8
balan
ce weight s.
The crankshaft pins a r e arrang ed at 1 8 0° inte rval s.
The oil hole supply lu brication oil from t he jo urnal to
the crank p
i n.
A cranksha f t sprocket and an oil pump drive gea r
shaf
t are press-fit t ed on to the f r ont of the crankshaf t.
The crankshaft is also fitt ed with a crankshaf t sens-
ing ring.
CRANKSHAFT BEARING, THRUST BEARING
AK305070
Upper bearingOil groove
Oil hole
Identification
color
Lower bearing
Identification
color
AB
Thrust bearing
Groove
Front
The upp er cra n kshaf t bea ring (with oil groove) is
loca
ted on the cylinder block side wh ile the lo we r
bearin
g (witho ut oil groo ve) is he ld by the b earin g
cap.
The crankshaft bea ring is e quipp ed with back me t a l.
While the b
earin g it self is ma de of a l uminum alloy ,
the back met
a l is no rmally made of steel sheet .
A thrust bearing is inst alle d on b o th sides of th e No.
4 cran
kshaf t bearing.
ItemDimension
Crankshaft
bearingWidth mm16
Thickness mm20
Crankshaft
thrust bearingThickness mm3.275

BASE ENGINE
ENGINE MECHANICAL <4A9>11A-12
TIMING CHAIN TRAIN
AK305075
V.V.T. sprocket
AB
V.V.T. sprocket
timing mark
Timing chain mark
link plate (bule)
Camshaft sprocket
Camshaft sprocket
timing mark Timing chain mark
link plate (bule)
Timing chain mark
link plate (bule)
Crankshaft
sprocket
timing mark
Crankshaft sprocket
Timing mark
Timing chain
tensioner
Tensioner lever
Chain guide
Timing mark
The 2 camshaf
t s are driven by the t i ming chain via
the res
pec tive spro cke t s .
The timing cha i n, consist i ng o f 122 links, is an end-
less chain, conn ecting the cran ksh af t spro cke t with
the camshaf
t and V . V . T . spro cke t s .
The timing cha i n is eq uippe d with 3 mark link p l ates
(blue)
to co rrectly time t he 3 sprocket s with each
other
.
ItemNo. of
teeth
Camshaft sprocket36
V.V.T. sprocket36
Crankshaft sprocket18
TIMING CHAIN TENSIONER
AK305388AB
Retainer
Ball
Coil spring 1
Ball sheet
Coil spring 2
Cam
Pin
Plunger
The timing chain is tensione
d by th e timing chain te n-
sioner , which ha s a b u ilt-in plunge r with plunge r
springs.
The plunger in the timing chain tension e r dire ctly
push
e s th e tension lever , and the pre s sure aut omati
-
cally ad just s the timing chain tension.
A cam is provided t o lock th e plu nger in pla c e a f te r
the eng
ine stop s. This help s prevent the timing chain
from wob
b lin g just af ter th e eng ine st a r t s .
With the timing cha i n ten s io ner in st alled, do not
crank the
engin e in the reverse directio n. This will
force
the plunger to overcome the cam, or e v en
cause oth
e r problems.