2005 MITSUBISHI LANCER ECU

IGNITION SYSTEM
ENGINE ELECTRICAL16-42
REMOVAL AND INSTALLATION <4G6>M1163003500440
REMOVAL SERVICE POINT
<> POWER STEERING OIL PUMP
ASSEMBLY REMOVAL
Remove the power steering oil pump assembly from
the bracket with the hose attached.
NOTE: Place the removed power steering oil pump
assembly in a place where it will not be a hindrance
when removing and installing and secure it with a
cord or wire.
Pre-removal and Post-installation Operation
•Valve Timing Belt Removal and Installation (Refer to
GROUP 11C P.11C-35).
AC301612
8.8 ± 1.0 N·m
8
8.8 ± 1.0 N·m
9
1
22 ± 4 N·m
4
2
3
49 ± 9 N·m49 ± 9 N·m5
22 ± 4 N·m
3.0 ± 0.5 N·m
6
7
AC
Removal steps
1. Power steering pressure switch
connector
2. A/C compressor connector
3. A/C compressor connector clamp
<>4. Power steering oil pump assembly
5. Power steering oil pump bracket6. Rocker cover centre cover
7. Engine crankshaft position sensor
connector
8. Engine crankshaft position sensor
9. Crankshaft position sensor
connector bracket Removal steps (Continued)

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-8
VACUUM HOSE CHECKM1173007300159
1. Using the piping diagram as a guide, check to be
sure that the vacuum hoses are correctly
connected.
2. Check the connection condition of the vacuum
hoses, (removed, loose, etc.) and check to be
sure that there are no bends or damage.
VACUUM HOSE INSTALLATIONM1173007200107
1. When connecting the vacuum hoses, they should
be securely inserted onto the nipples.
2. Connect the hoses correctly, using the vacuum
hose piping diagram as a guide.
CRANKCASE EMISSION CONTROL
SYSTEM
GENERAL INFORMATION (CRANKCASE
EMISSION CONTROL SYSTEM)
M1173005000237
The crankcase emission control system prevents
blow-by gases from escaping inside the crankcase
into the atmosphere.
Fresh air is sent from the air cleaner into the
crankcase through the breather hose.
The air becomes mixed with the blow-by gases
inside the crankcase.
The blow-by gas inside the crankcase is drawn into
the intake manifold through the positive crankcase
ventilation (PCV) valve.
The PCV valve lifts the plunger according to the
intake manifold vacuum so as to regulate the flow of
blow-by gas properly.
In other words, the blow-by gas flow is regulated
during low load engine operation to maintain engine
stability, while the flow is increased during high load
operation to improve the ventilation performance.
SYSTEM DIAGRAM
AK204365
Air cleaner
Air
Ventilation hose
Breather hose
PCV valve
AB

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-10
SYSTEM DIAGRAM
COMPONENT LOCATION (EVAPORATIVE
EMISSION CONTROL SYSTEM)
M1173007500216
PURGE CONTROL SYSTEM CHECKM1173001400299
AK204367AC
Throttle body
Canister
From
fuel
tank
OFF
ONPurge
control
solenoid
valveControl
relay
BatteryEngine-ECU <4G1-M/T, 4G6>,
Engine-A/T-ECU <4G1-A/T>
Air flow sensor <4G6>
Engine coolant
temperature sensor
Intake air
temperature sensor
Barometric pressure
sensor <4G6> Manifold absolute pressure
(MAP) sensor <4G1>
AK300769
<4G1>
AB
Purge control
solenoid valve
AK300770
<4G6>
AB
Purge control
solenoid valve
AK300771
<4G1>
AB
Plug
Vacuum hose
AK300772
<4G6>
AB
Plug
Vacuum hose

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-13
EXHAUST GAS RECIRCULATION
(EGR) SYSTEM
GENERAL INFORMATION (EGR SYSTEM)M1173005200327
The exhaust gas recirculation (EGR) system lowers
the nitrogen oxide (NOx) emission level.
When the air/fuel mixture combustion temperature is
high, a large quantity of nitrogen oxides (NOx) is
generated in the combustion chamber.
Therefore, this system recirculates part of emission
gas from the exhaust port of the cylinder head to the
combustion chamber through the intake manifold to
decrease the air/fuel mixture combustion
temperature, resulting in reduction of NOx.The EGR flow rate is controlled by the EGR valve so
as not to decrease the driveability.
OPERATION
The EGR valve is being closed and does not
recirculate exhaust gases under one of the following
conditions.
Otherwise, the EGR valve is opened and recirculates
exhaust gases.
•The engine coolant temperature is low.
•The engine is at idle.
•The throttle valve is widely opened.
SYSTEM DIAGRAM
AK300775
Manifold absolute
pressure (MAP) sensor Engine-ECU ,
Engine-A/T-ECU
Engine coolant
temperature sensor
Crank angle sensor EGR
control
solenoid
valve
EGR valveOFF
ON
Control
relay
Battery
AB
<4G1>

EMISSION CONTROL
ENGINE AND EMISSION CONTROL17-14
COMPONENT LOCATION (EGR SYSTEM)M1173007600224
AK302349AB
<4G6>
EGR
control
Solenoid
valve
EGR valveOFF
ON
Control
relay
BatteryEngine-ECU
Barometric pressure
sensor
Air flow sensor
Engine coolant
temperature sensor
Crank angle sensor
AK300776
<4G1>
AB
EGR control
solenoid valve
AK300778
<4G6>
AB
EGR control
solenoid valve
AK300777
<4G1>
AB
EGR valve
AK300779AB
<4G6>
EGR valve

FRONT AXLE HUB ASSEMBLY
FRONT AXLE26-9
REMOVAL SERVICE POINTS
<> CALIPER ASSEMBLY REMOVAL
Secure the removed caliper assembly with wire, etc.
<> BRAKE DISC REMOVAL
If the brake disc is seized, install M8x1.25-mm bolts
as shown, and remove the disc by tightening the
bolts evenly and gradually.
<> DRIVE SHAFT NUT REMOVAL
CAUTION
Do not apply pressure to wheel bearing by the
vehicle weight to avoid possible damage when
drive shaft nut is loosened.
Use special tool end yoke holder (MB990767) to fix
the hub and remove the drive shaft nut.
<> SELF-LOCKING NUT (TIE ROD
END CONNECTION) REMOVAL
CAUTION
•Do not remove the nut from ball joint. Loosen
it and use the special tool to avoid possible
damage to ball joint threads.
•Hang the special tool with cord to prevent it
from falling.
1. Install special tool ball joint remover (MB991897)
as shown in the figure.
2. Turn the bolt and knob as necessary to make the
jaws of special tool parallel, tighten the bolt by
hand and confirm that the jaws are still parallel.
NOTE: When adjusting the jaws in parallel, make
sure the knob is in the position shown in the
figure.
3. Tighten the bolt with a wrench to disconnect the
tie rod end.
AC209507AC
BOLT
(M8×1.25)
AC102462AC
MB990767
AC208247AD
Cord
BoltMB991897
Nut
Ball joint
AC106821
Knob ParallelBolt
Correct
Wrong
AB