2007 MITSUBISHI LANCER EVOLUTION check oil

MPI -Troubleshooting13A-72
Inspection Procedure 14
Knocking
Probable cause
Causes shown on right are suspected.DDetonation sensor malfunction
DKnocking control system malfunction
DSpark plug malfunction
DIgnition system malfunction
DEngine-ECU malfunction
OK
Check the Code No. P0325: Detonation sensor system.
(Refer to P.13A-34.)
OK
Check the harness and connector between each cylinder’s ignition
coil and body earth and between engine-ECU and ignition coil for
disconnection, short-circuit or damage.NG
Repair
OK
Check the ignition coil parts.
(Refer to GROUP 16 - Ignition Device.)NGReplace the ignition coil.
OK
Check the following connectors:B-114, B-119NG
Repair
OK
Check the spark plug. (Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug.
NO
Check the spark plug cable.
(Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug cable.
MUT-IISelf-Diag code
DIs a diagnosis code output?YESINSPECTION CHART FOR DIAGNOSIS CODE
(Refer to P.13A-12.)

MPI -Troubleshooting13A-76
NG
Replace the engine-ECU.
Check the trouble symptoms.OK
End
NG
Replace the catalyst.
Check the trouble symptoms.OK
End
OK
Replace the injectors for all cylinders.
OK
Check the compression pressure.
(Refer to GROUP 11 - Engine Adjustment.)NG
Repair
OK
Check the ignition coil parts.
(Refer to GROUP 16 - Ignition Device.)NGReplace the ignition coil.
OK
Check the spark plug. (Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug.
OK
Check the spark plug cable.
(Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug cable.
OK
Check the PCV valve.
(Refer to GROUP 17 - Exhaust Gas Purifier Check.)NGReplace the PCV valve.
OK
Check the EGR valve for sticking.
(Refer to GROUP 17 - Exhaust Gas Purifier Check.)NGReplace the EGR valve.
OK
Check the EGR control solenoid valve.
(Refer to GROUP 17 - Exhaust Gas Purifier Check.)NGReplace the EGR control solenoid valve.
OK
Check the purge control solenoid valve.
(Refer to GROUP 17 - Exhaust Gas Purifier Check.)NGReplace the purge control solenoid valve.
From the previous page

MPI -Troubleshooting13A-100
Inspection Procedure 32
Ignition coil (integrated power transistor) system
Probable cause
The engine-ECU allows the ignition coil primary current to flow intermittently by
turning the power transistor in the unit OFF and ON.DIgnition coil malfunction
DSpark plug malfunction
DSpark plug cable malfunction
DIgnition primary circuit disconnection, short-circuit, or
connector contact defect
DEngine-ECU malfunction
OK
Check and repair the harness between
the ignition coil and engine-ECU.
DCheck for disconnection of the
output cable.
OK
To the next page
(3) NGCheck and repair the harness between
the ignition coil and body earth.
DCheck for disconnection and
damage of the earth cable.
NG
Replace the engine-ECU.
OK
Check the trouble symptoms.OKIntermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.) NG
OK
Check the harness between the
ignition coil and engine-ECU.
DCheck for disconnection of the
output cable.Repair NG
NG
Check the following connector:
C-126Repair
(2) NGMeasure at the C-126 engine-ECU
connector.
DMeasure the engine-ECU terminal
voltage.
DDisconnect the connectors B-114
and B-119.
DEngine: Cranking
(1) Voltage between terminal No. 10,
terminal No. 23 and earthOKCheck the following connector:
C-126
OK
Check and repair the harness between
the ignition coil and ignition coil relay.
DCheck for short-circuit of the power
cable.
OK
Check the ignition coil relay.
(Refer to GROUP 16 - Engine
Electrical.)
OK
Measure at the B-119 and B-123
ignition coil connectors.
DDisconnect the connector to
measure at the harness side.
(1) Voltage between terminal No. 1 and
earth
(Ignition switch: ON)
OK:System voltage
(2) Voltage between terminal No. 3 and
earth
(Engine: Cranking)
OK:0.5 - 4.0 V
(3) Resistance between terminal No. 2
and earth
OK:2Ωor less(1) NGCheck the following connector:
B-09XNG
Repair
OK
Check the ignition coil.
(Refer to GROUP 16 - Ignition Device.)OKReplace the ignition coil.
OK
Check the following connectors:
B-114, B-119NG
Repair
OK
Check the spark plug.
(Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug.
Check the spark plug cable.
(Refer to GROUP 16 - Ignition Device.)NGReplace the spark plug cable.
NG
Repair

MPI -Troubleshooting13A-101
NG
Replace the engine-ECU.
Check the trouble symptoms.OKIntermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.)
OK
Check the harness between the
ignition coil and engine-ECU.
DCheck for damage of the output
cable.NG
Repair
OK
Check the harness between the
ignition coil and ignition coil relay.
DCheck for damage of the power
cable.NG
Repair
From the previous page

MPI -TroubleshootingMPI -Troubleshooting13A-109
Engine-ECU Connector Terminal Arrangement
Terminal No.Check itemCheck condition (Engine condition)Normal condition
1No. 1 injectorWhile engine is idling after having warmed up,
suddenlydepresstheacceleratorpedal
From 11 - 14 V, momentarily
dropsslightly
14No. 2 injector
suddenlydepressthe accelerator pedal.drops slightly
2No. 3 injector
15No. 4 injector
3Fuel pressure control
solenoidvalve
Ignition switch: “ON”System voltage
solenoidvalve
Engine: Cranking→Idle operation
(within approximately 2 minutes or less)1 V or less→System voltage
4Stepper motor coil
Engine: Soon after the warmed up engine is
startedSystem voltage↔0-6V
(Changes repeatedly)
17Stepper motor coil

5Stepper motor coil

18Stepper motor coil

6EGR control solenoid
valve
Ignition switch: “ON”System Voltage
valve
While engine is idling, suddenly depress the
accelerator pedal.From system voltage,
momentarily drops
8A/C relayDEngine: Idle operation
DA/Cswitch:OFF→ON(A/Ccompressor
System voltage or momen-
tarily6Vormore→1VorDA/Cswitch:OFF→ON(A/Ccompressor
runs)tarily6Vor more→1Vor
less
9Purge control sole-
noidvalve
Ignition switch: “ON”System voltage
noidvalve
Engine: Idle operation1 V or less
10Ignition coil - No.1,
No.4Engine speed: 3,000 r/min0.3 - 3.0 V
23Ignition coil - No.2,
No.3
11Waste gate solenoid
valve
Ignition switch: “ON”System voltage
valve
Engine: After warm-up, idle operation
(When using premium gasoline)1 V or less

MPI -Troubleshooting13A-115
Terminal No. Normal condition (Check condition)Inspection item
3-12Fuel pressure control solenoid valve28 - 36Ω(at 20_C)
4-12Stepper motor coil (A1)28 - 33Ω(at 20_C)
17 - 12Stepper motor coil (A2)
5-12Stepper motor coil (B1)
18 - 12Stepper motor coil (B2)
6-12EGR control solenoid valve36 - 44Ω(at 20_C)
9-12Purge control solenoid valve22 - 26Ω(at 20_C)
11 - 1 2Waste gate solenoid valve62 - 74Ω(at 20_C)
13 - Body earthENGINE-ECU earthContinuity (0Ω)
26 - Body earthENGINE-ECU earth
53 - 12Secondary air control solenoid valve28 - 36Ω(at 20_C)
54 - 12Oxygen sensor heater (Rear)11 - 1 8Ω(at 20_C)
60 - 12Oxygen sensor heater (Front)4.5 - 8.0Ω(at 20_C)
72 - 92Intake air temperature sensor13 - 17 kΩ(When intake air temperature is - 20_C)
5.7 - 6.7 kΩ(When intake air temperature is 0_C)
2.3 - 3.0 kΩ(When intake air temperature is 20_C)
1.0 - 1.5 kΩ(When intake air temperature is 40_C)
0.56 - 0.76 kΩ(When intake air temperature is 60_C)
0.30 - 0.42 kΩ(When intake air temperature is 80_C)
83 - 92Engine coolant temperature sensor14 - 17 kΩ(When coolant temperature is - 20_C)
5.1 - 6.5 kΩ(When coolant temperature is 0_C)
2.1 - 2.7 kΩ(When coolant temperature is 20_C)
0.9 - 1.3 kΩ(When coolant temperature is 40_C)
0.48 - 0.68 kΩ(When coolant temperature is 60_C)
0.26 - 0.36 kΩ(When coolant temperature is 80_C)

MPI -Troubleshooting13A-122
Wave Pattern Observation Points
Check that the standard wave pattern appears when the stepper motor is operating.
Point A: Presence or absence of induced electromotive force from the motor turning. (Refer to the abnormal
wave pattern.)
Contrast with standard wave patternProbable cause
Induced electromotive force does not appear or is extremely small.Motor is malfunctioning
Point B: Height of coil reverse electromotive force
Contrast with standard wave patternProbable cause
Coil reverse electromotive force does not appear or is extremely small.Short in the coil
Examples of Abnormal Wave Pattern
DExample 1
Cause of problem
Motor is malfunctioning. (Motor is not operating.)
Wave pattern characteristics
Induced electromotive force from the motor turning does
not appear.
DExample 2
Cause of problem
Open circuit in the line between the stepper motor and
the engine-ECU.
Wave pattern characteristics
Current is not supplied to the motor coil on the open
circuit side. (Voltage does not drop to 0 V.)
Furthermore, the induced electromotive force waveform
at the normal side is slightly different from the normal
waveform.
Open
circuit
side
Normal
side

MPI -On-vehicle Service13A-130
14. If any of fuel pressure measured in steps 10 to 13 is out of
specification, troubleshoot and repair according to the
table below.
SymptomProbable causeRemedy
DFuel pressure too low
DFuelpressuredropsafterracing
Clogged fuel filterReplace fuel filter
DFuelpressuredrops after racing
DNo fuel pressure in fuel return
hose
Fuel leaking to return side due to poor
fuel regulator valve seating or settled
springReplace fuel pressure regulator
Low fuel pump delivery pressureReplace fuel pump
Fuel pressure too highBinding valve in fuel pressure
regulatorReplace fuel pressure regulator
Clogged fuel return hose or pipeClean or replace hose or pipe
Same fuel pressure when vacuum
hose is connected and when
disconnected
Damaged vacuum hose or clogged
nippleReplace vacuum hose or clean nipple
disconnectedFuel pressure control system
malfunctionCheck the fuel pressure control
system
15. Stop the engine and check change of fuel pressure gauge
reading. Normal if the reading does not drop within 2
minutes. If it does, observe the rate of drop and
troubleshoot and repair according to the table below.
SymptomProbable causeRemedy
Fuel pressure drops gradually after
engineisstopped
Leaky injectorReplace injector
engineisstopped
Leaky fuel regulator valve seatReplace fuel pressure regulator
Fuel pressure drops sharply
immediately after engine is stoppedCheck valve in fuel pump is held openReplace fuel pump
16. Release residual pressure from the fuel pipe line.
(Refer to P.13A-125.)
17. Remove the fuel pressure gauge and special tool from
the delivery pipe.
Caution
Cover the hose connection with rags to prevent splash
of fuel that could be caused by some residual pressure
in the fuel pipe line.
18. Replace the O-ring at the end of the fuel high pressure
hose with a new one. Furthermore, apply engine oil to
the new O-ring before replacement.
19. Fit the fuel high pressure hose over the delivery pipe
and tighten the bolt to specified torque.
Tightening torque: 5.0±1.0 N·m
20. Check for any fuel leaks by following the procedure in
step 7.
21. Disconnect the MUT-II.