Idle MITSUBISHI LANCER IX 2006 Service Manual

GENERAL INFORMATION
ENGINE LUBRICATION12-2
GENERAL INFORMATION
M1121000100357
The lubrication method is a fully force-fed, full-flow fil-
tration type. The engine oil pump is a trochoid type
which is driven by the crankshaft <4G1>.The engine
oil pump is a gear type which is driven by the crank
-
shaft via the balancer timing belt <4G6>.
ENGINE OILS
Health Warning
Prolonged and repeated contact with mineral oil will
result in the removal of natural fats from the skin,
leading to dryness, irritation and dermatitis. In addi
-
tion, used engine oil contains potentially harmful con-
taminants which may cause skin cancer. Adequate
means of skin protection and washing facilities must
be provided.
Recommended Precautions
The most effective precaution is to adapt working
practices which prevent, as far as practicable, the
risk of skin contact with mineral oils, for example by
using enclosed systems for handling used engine oil
and by degreasing components, where practicable,
before handling them. Other precautions:
•Avoid prolonged and repeated contact with oils,
particularly used engine oils.
•Wear protective clothing, including impervious
gloves where practicable.
•Avoid contaminating clothes, particularly under-
pants, with oil.
•Do not put oily rags in pockets, the use of overalls
without pockets will avoid this.
•Do not wear heavily soiled clothing and
oil-impregnated foot-wear. Overalls must be
cleaned regularly and kept separate from per
-
sonal clothing.
•Where there is a risk of eye contact, eye protec-
tion should be worn, for example, chemical gog-
gles or face shields; in addition an eye wash
facility should be provided.
•Obtain first aid treatment immediately for open
cuts and wounds.
•Wash regularly with soap and water to ensure all
oil is removed, especially before meals (skin
cleansers and nail brushes will help). After clean
-
ing, the application of preparations containing
lanolin to replace the natur al skin oils is advised.
•Do not use petrol, kerosine, diesel fuel, gas oil,
thinners or solvents for cleaning skin.
•Use barrier creams, applying them before each
work period, to help the removal of oil from the
skin after work.
•If skin disorders develop, obtain medical advice
without delay.
SERVICE SPECIFICATION
M1121000300232
ItemStandard value
Oil pressure kPaat idle29 or more
at 3,500 r/min294 − 686
LUBRICANT
M1121000400433
ItemSpecification
Engine oil ACEA classificationA1, A2 or A3
Engine oil API classificationSG or higher
Engine oil quantity L4G1Oil filter0.3
To t a l3.3
4G6Oil filter0.3
To t a l4.3

ON-VEHICLE SERVICE
ENGINE LUBRICATION12-5
5. Use the respective tool in the following table to remove the engine oil filter.
NumberSpecial tool
MD348631 <4G1>Oil filter wrench (MB991828) or
equivalent
MD365876 <4G1>
MD360935 <4G1>Oil filter wrench (MB991396) or
equivalent
MD136466 <4G6>Commercially- available tool
MD322508 <4G6>
MD356000 <4G6>Oil filter wrench (MB991610) or
equivalent
6. Cle an the filt er bracket side mou n ting surfa c e.
AC103250AD
O-ring
7.Ap ply a small a m ou nt o f en gine o i l to th e O-rin g of
th e new eng ine oil f ilte r .
8.Once the O-ring of the engine oil filter is tou c hing
th e flange, use the resp ective tool in the following
t able to tighten to the specified tor que.
NumberSpecial toolTightening torque
MD348631
<4G1>Oil filter wrench
(MB991828) or
equivalentApproximately 3/4
turn (16
± 4 N⋅m)
MD365876
<4G1>
MD360935
<4G1>Oil filter wrench
(MB991396) or
equivalentApproximately 1 turn
(14
± 2 N⋅m)
MD136466
<4G6>Commercially-
available toolApproximately 3/4
turn (17
± 3 N⋅m)
MD322508
<4G6>
MD356000
<4G6>Oil filter wrench
(MB991610) or
equivalentApproximately 3/4
turn (14
± 2 N⋅m)
9.In st all the en gine oil p a n drain plu g and refill the
en gine oil (Re f er to
P.12-4).
10.Race the en gine 2−3 times, and che ck to be sure
th
at n
o
en
gin
e
oil leaks fr om in st allation sectio n of
th
e engine oil filter
.
OIL PRESSURE CHECK
M1 121 0023 0083 0
AK101640
<4G1>
Oil pressure
switch
Oil filter
AD
AK300647
AB
<4G6>
Oil filter bracket
Oil pressure switch
1.Check e ngin e oil quan tity .
AKX00294
MD998012
AF
CAUTION
Since sealant is applied to the thread of oil pres-
sure switch, take care not to damage the oil pres-
sure switch when removing it.
2. Use the special tool Oil pressure switch wrench
(MD998012) to remove the oil pressure switch.
NOTE: Remove the terminal of oil pressure switch
where the special tool Oil pressure switch wrench
(MD998012) is not fitted.
3. Install the oil pressure gauge.
NOTE: Use an adapter of PT 1/8 thread.
4. Run the engine to warm it.
5. After the engine has been warmed up, check that oil pressure is within the standard value.
Standard value:
At idle: 29 kPa or more
At 3,500 r/min: 294 − 686 kPa

ON-VEHICLE SERVICE
ENGINE COOLING14-23
3. Connect the cooling fan motor drive control unit connector, and disconnect the cooling fan motor
(L.H.) connector.
4. Ensure that the A/C switch is off, and start the engine and run it at idle.
AC303496AB
Cooling fan motor
drive control unit
5.Measure the volt ag e betwee n the cooling f an
motor d r ive cont rol un it side conne ctor t e rminal 1
an d 2.
St andard va lue: 1V or le ss
WARNING
Stay clear of the fan when the fan starts run-
ning.
6. Turn the A/C switch to the "ON" position.
7. Measure the voltage between the cooling fan
motor drive control unit side connector terminal 1
and 2 while the fan is running. The voltage should
repeat the values below.
Standard value:
1. 1 V or less
2. 8.2 ± 0.7 V
3. System voltage ± 2.6 V
8. If the voltage does not repeatedly change as indicated, replace the cooling fan motor drive
control unit. (Refer to
P.14-33) <4G1> (Refer to
P.14-35) <4G6>.
FAN CONTROL RELAY CONTINUITY CHECK
M1141006200280
AC211776
13
4 2
3 4
1
2
AC301712
Fan control relay
AB
Battery
voltageTerminal No.to
be connected
to testerContinuity test
results
Not applied4 − 2Open circuit
Connect
terminal No.1
and battery (
−)
terminal.
Connect
terminal No.3
and battery (+)
terminal.
4 − 2Less than 2
ohms

CHARGING SYSTEM
ENGINE ELECTRICAL16-4
2. Turn the ignition switch to the "LOCK" (OFF)
position.
3. Disconnect the negative battery cable.
4. Connect a clamp-type DC test ammeter with a
range of 0
− 120 A to the alternator "B" terminal
output wire.
NOTE: The way of disconnecting the alternator
output wire and of connecting the ammeter is pos
-
sibly not found the problem that the output current
is dropping due to the insufficient connection
between terminal "B" and the output wire.
5. Connect a digital-type voltmeter between the
alternator "B" terminal and the battery (+)
terminal. [Connect the (+) lead of the voltmeter to
the "B" terminal and the connect the (-) lead of the
voltmeter to the battery (+) cable].
6. Reconnect the negative battery cable.
7. Connect a tachometer or the M.U.T.-II/III (Refer to
GROUP 11A
− On-vehicle Service − Idle speed
check <4G1>
P.11A-11 or GROUP 11C −
On-vehicle Service − Idle speed check <4G6>
P.11C-11).
8. Leave the hood open.
9. Start the engine.
10.With the engine running at 2,500 r/min, turn the
headlamps and other lamps on and off to adjust
the alternator load so that the value displayed on
the ammeter is slightly above 30 A.
Adjust the engine speed by gradually decreasing
it until the value displayed on the ammeter is 30
A. Take a reading of the value displayed on the
voltmeter at this time.
Limit: maximum 0.3 V
NOTE: When the alternator output is high and the
value displayed on the ammeter does not
decrease until 30 A, set the value to 40 A. Read
the value displayed on the voltmeter at this time.
When the value range is 40 A, the limit is maxi
-
mum 0.4 V.
11.If the value displayed on the voltmeter is above
the limit value, there is probably a malfunction in
the alternator output wire, so check the wiring
between the alternator "B" terminal and the
battery (+) terminal (including fusible link).
If a terminal is not sufficiently tight or if the
harness has become discolored due to
overheating, repair and then test again.
12.After the test, run the engine at idle.
13.Turn off all lamps and the ignition switch.
14.Remove the tachometer or the M.U.T.-II/III.
15.Disconnect the negative battery cable.
16.Disconnect the ammeter and voltmeter.
17.Connect the negative battery cable.

CHARGING SYSTEM
ENGINE ELECTRICAL16-5
OUTPUT CURRENT TEST
M1161001000368
AK203362
Alternator
Ammeter
(clamp-type)
Voltmeter
Battery
Inition switch
Engine-ECU
or
Engine-A/T-ECU
Load
B FR
L
S
G
+
AH
–
Charging indicator
Brake warning light
This test determine s whethe r the a l terna t or outp u t
curren
t is normal.
1.Befo re the t e st, always be sure t o che c k the
fo llowi ng.
•Alternator inst allatio n
•Battery (Refer to GROUP 54 A − Battery − On-vehi-
cle Serv ice P.54A-5).
NOTE: The battery sh ould be sligh t ly discharg ed.
The
load neede d by a fully-charge d batte ry is
in
sufficient for an accurat e test.
•Drive belt tension
(Ref er to GROUP 1 1 A − On-vehicle Service <4G1>
P.11A-7 or GROUP 1 1 C − On-vehicle Se rvice
<4G6> P.11C-7.)
•Fusible link
• Abnormal noise from the altern ator while the
eng
ine is ru nning .
2.T u rn the ignition switch to the "LOCK" (OFF)
po sit i on.
3.Disco nnect the ne gative ba ttery cable.
CAUTION
Never use clips but tighten bolts and nuts to con-
nect the line. Otherwise loose connections (e.g.
using clips) will lead to a serious accident
because of high current.
4. Connect a clamp-type DC test ammeter with a
range of 0
− 120 A to the alternator "B" terminal
output wire.
NOTE: The way of disconnecting the alternator
output wire and of connecting the ammeter is pos
-
sibly not found the problem that the output current
is dropping due to the insufficient connection
between terminal "B" and the output wire.
5. Connect a voltmeter with a range of 0 − 20 V
between the alternator "B" terminal and the earth
[Connect the (+) lead of the voltmeter to the "B"
terminal, and then con nect the (-) lead of the
voltmeter to the earth].
6. Connect the negative battery cable.
7. Connect a tachometer or the M.U.T.-II/III (Refer to GROUP 11A
− On-vehicle Service − Idle speed
check <4G1>
P.11A-11 or GROUP 11C −
On-vehicle Service − Idle speed check <4G6>
P.11C-11).
8. Leave the hood open.

CHARGING SYSTEM
ENGINE ELECTRICAL16-6
9. Check that the reading on the voltmeter is equal
to the battery voltage.
NOTE: If the voltage is 0 V, the cause is probably
an open circuit in the wire or fusible link between
the alternator "B" terminal and the battery (+) ter
-
minal.
10.Turn the light switch on to turn on headlamps and
then start the engine.
11.Immediately after setting the headlamps to high
beam and turning the heater blower switch to the
high revolution position, increase the engine
speed to 2,500 r/min and read the maximum
current output value displayed on the ammeter.
Limit: 70 % of normal current output
NOTE: .
•For the nominal current output, refer to the
Alternator Specifications.
•Because the current from the battery will soon
drop after the engine is started, the above step
should be carried out as quickly as possible in
order to obtain the maximum current output
value.
•The current output value will depend on the
electrical load and the temperature of the
alternator body.
•If the electrical load is small while testing, the
specified level of current may not be output
even though the alternator is normal. In such
cases, increase the electrical load by leaving
the headlamps turned on for some time to dis
-
charge the battery or by using the lighting sys-
tem in another vehicle, and then test again.
•The specified level of current also may not be
output if the temperature of the alternator body
or the ambient temperature is too high. In such
cases, cool the alternator and then test again.
12.The reading on the ammeter should be above the
limit value. If the reading is below the limit value
and the alternator output wire is normal, remove
the alternator from the engine and check the
alternator.
13.Run the engine at idle after the test.
14.Turn the ignition switch to the "LOCK" (OFF)
position.
15.Remove the tachometer or the M.U.T.-II/III.
16.Disconnect the negative battery cable.
17.Disconnect the ammeter and voltmeter.
18.Connect the negative battery cable.

CHARGING SYSTEM
ENGINE ELECTRICAL16-7
REGULATED VOLTAGE TEST
M1161001100860
AK300727AC
BatteryIgnition switch
Engine-ECU
Engine-A/T-ECU Ammeter (clamp-type)
Load
Blue
MB991519
Voltmeter (digital-type)Red
Yellow BlackAlternator
B
FR
L
S
G
This test determine s whethe r the volt age regulator
correctly con
t rolling t he alternato r outpu t volt a ge.
1.Always b e su re to check the following b e fore th e
te st.
•Alternator inst allatio n
•Check that the b a ttery inst a lled in th e ve hicle is
fully charg
ed.
(Refer to GROUP 54A − Battery − On-vehicle Service −
Charging
P.54A - 4).
•Drive belt tension
(Ref er to GROUP 1 1 A − On-vehicle Service <4G1>
P.11A-7 or GROUP 1 1 C − On-vehicle Se rvice
<4G6> P.11C-7.)
•Fusible link
•Abnormal noise from the a l tern ator while the
eng
ine is ru nning
2.T u rn the ignition switch to the "LOCK" (OFF)
po sit i on.
3.Disco nnect the ne gative ba ttery cable.
4.Use the special tool Alternat or test harne ss
(MB99151 9) to connect a d i git a l voltmet e r
be tween the alte rnator "S" te rmin al an d earth
[Con nect the (+) lead o f the voltmeter t o the "S"
terminal, and then con nect the (-) lead of the
voltmeter to a secure earth or to the battery (-)
te rmin al].
5.Conn ect a clamp-t y pe DC test ammete r with a
ran ge of 0
− 120 A to the alte rnator "B" te rmin al
ou
tput wire
.
NOTE: The way of d i sconnectin g the a l terna t or
o
u
tput wire an d o f conn ecting the ammete r is pos
-
sibl y no t fo und th e p r oblem th at t he outp u t cur r ent
is dro
ppin g due t o the insu fficient conne ction
b
e tween te rmin al "B" an d the o u tput wire.
6.Reconne ct the negat ive battery ca ble.
7.Conn ect a t a chometer or th e M.U.T . -II/III (Refe r to
GROUP 1 1 A
− On-veh icle Service − Idle speed
check <4G1>
P.11A - 11 or GROUP 1 1 C −
On-vehicle Service − Idle speed check <4G6>
P.11C-11).
8. T u rn the ignition switch to the "ON" position an d
ch ec k t h at th e rea d i n g on t h e vo lt me te r i s eq u a l t o
th e batte ry volt age.
NOTE: If the volt a ge is 0 V , the cause is proba bly
a
n
open circuit in th e wire or fusible link betwee n
th
e alt
e
rnator "S" t e rminal a nd the battery (+) ter
-
minal.
9.T u rn all lamp s and accessorie s of f.
10.St a r t the en gine .
11 . I ncre ase t he eng ine speed to 2,5 00 r/min.
12.Read the va lue disp layed on the voltmeter when
th e alt e rnator output curren t alte rnator b e comes
1 0 A or le ss.
13.If the volt age re adin g conf orms t o the va lue in the
volt age regulation , then the volt age re gula t or is
o perating normally .

CHARGING SYSTEM
ENGINE ELECTRICAL16-8
If the voltage is not within the standard value,
there is a malfunction of the voltage regulator or of
the alternator.
14.After the test, lower the engine speed to the idle speed.
15.Turn the ignition switch to the "LOCK" (OFF) position.
16.Remove the tachometer or the M.U.T.-II/III.
17.Disconnect the negative battery cable.
18.Disconnect the ammeter and voltmeter.
19.Connect the alternator output wire to the alternator "B" terminal.
20.Remove the special tool, and return the connector
to the original condition.
21.Connect the negative battery cable.
Voltage Regulation Table
Standard value:
Inspection terminalVoltage regulator ambient
temperature
°C
Voltage V
Terminal "S"−2014.2 − 15.4
2013.9 − 14.9
6013.4 − 14.6
8013.1 − 14.5

CHARGING SYSTEM
ENGINE ELECTRICAL16-9
WAVEFORM CHECK USING AN OSCILLOSCOPE
M1161001200124
MEASUREMENT METHOD
AK100002
Alternator
"B" terminal CH1
AC
Co
nnect the oscillo scope specia l p a tt erns p i ck-up to
the alternato
r "B" terminal.
STANDARD W A VEFORM
Observ ation Conditi ons
FunctionSpecial pattern
Pattern heightVariable
Variable knobAdjust while viewing the waveform.
Pattern selectorRaster
Engine speedCurb idle speed
AKX00189
0.4 (V)
0.2
0
–0.2
–0.4
Voltage at
alternator
"B" terminal
Time
AG
NOTE:
AKX00190
The volt age waveform of th e alte rnator "B" t e rminal
can u
ndulate as sho w n in th e illustratio n . This wave
-
form is produce d when t he regu lator operate s
accordin
g to fluctu ation s in the alterna t or loa d (cu r
-
rent), and is normal fo r the alterna t or . In ad dition,
wh
en the volt ag e wavef o rm re ache s an excessively
high
value (app roximate ly 2 V or higher at idle ), it
of
ten indicates an o pen circuit du e to a brown fuse
be
twe e n a l te rn at or "B " t e r m in al an d ba tt er y , b u t n o t a
defective alte
rnator .

IGNITION SYSTEM
ENGINE ELECTRICAL16-34
STANDARD WAVEFORM
Observation Conditions
FunctionSecondary
Pattern heightHigh (or Low)
Pattern selectorRaster
Engine revolutionsCurb idle speed
AKX00278
kV0
Secondary
ignition voltage
wave pattern
Ignition voltage
(point D)
Spark line (point A)
Dwell section Wave dampling reduction section (point B)
Point C Time
AD