Mitsubishi Lancer Evolution IX. Manual — part 383
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SPECIAL TOOLS
MULTIPORT FUEL INJECTION (MPI)
13A-7
MB991709
Test harness
• Measurement of voltage
during troubleshooting
• Inspection using an
oscilloscope
• Check of idle control servo
MD998478
Test harness (3-pin, triangle)
• Measurement of voltage
during Troubleshooting
• Inspection using an
oscilloscope
MD991536
Check harness for throttle
position sensor adjustment
• Measurement of voltage
during Troubleshooting
• Adjusting of throttle position
sensor
MD998464
Test harness (4-pin, square)
• Measurement of voltage
during Troubleshooting
• Inspection of oxygen sensor
(front)
MB991658
Test harness
• Measurement of voltage
during Troubleshooting
• Inspection of oxygen sensor
(rear)
MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222
Harness set
A: Test harness
B: LED harness
C: LED harness adapter
D: Probe
• Check at the ECU terminals
A: Connector pin contact
inspection
B: Power circuit inspection
C: Power circuit inspection
D: Commercial tester
connection
Tool
Number
Name
Use
MB991536
MB991658
MB991223
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SPECIAL TOOLS
MULTIPORT FUEL INJECTION (MPI)
13A-8
MD998709
Adaptor hose
Measurement of fuel pressure
MD998742
Hose adaptor
MB991637
Fuel pressure gauge set
MB991981
Fuel pressure gauge set
MD998706
Injector test set
Checking the spray condition of
injectors
MB991607
Injector test harness
MD998741
Injector test adaptor
MB991976
Clip
Tool
Number
Name
Use
MB991637
MB991981
MD998706
MB991607
MD998741
MB991976
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TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI)
13A-9
TROUBLESHOOTING
DIAGNOSIS TROUBLESHOOTING FLOW
M1131150001572
Refer to
, GROUP 00
− How to Use Trouble-
shooting/Inspection Service Points.
NOTE: If the engine-ECU is replaced, the steering
lock cylinder and ignition key should be replaced
together with it.
DIAGNOSIS FUNCTION
M1131155501527
ENGINE WARNING LAMP (CHECK
ENGINE LAMP)
If an abnormality occurs in any of the following items
related to the Multipoint Fuel Injection (MPI) system,
the engine warning lamp will illuminate.
If the lamp remains illuminated or if the lamp illumi-
nates while the engine is running, check the diagno-
sis code output.
AK501993AB
Engine warning lamp
(check engine lamp)
Engine warning lamp
(check engine lamp)
<L.H.drive vehicles>
<R.H.drive vehicles>
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TROUBLESHOOTING
MULTIPORT FUEL INJECTION (MPI)
13A-10
ENGINE WARNING LAMP INSPECTION ITEMS
Code No.
Diagnosis item
−
Engine-ECU
P0090
Fuel pressure control valve system
P0100
Air flow sensor system
P0105
Barometric pressure sensor system
P0110
Intake air temperature sensor system
P0115
Engine coolant temperature sensor system
P0120
Throttle position sensor system
P0125*
Feedback system monitor
P0130
Oxygen sensor (front) system
P0135
Oxygen sensor heater (front) system
P0136
Oxygen sensor (rear) system
P0141
Oxygen sensor heater (rear) system
P0170
Abnormal fuel system
P0201
No. 1 injector system
P0202
No. 2 injector system
P0203
No. 3 injector system
P0204
No. 4 injector system
P0234
Turbocharger wastegate system malfunction
P0243
Waste gate solenoid valve system
P0300
Random cylinder misfire detection system
P0301*
No. 1 cylinder misfire detection system
P0302*
No. 2 cylinder misfire detection system
P0303*
No. 3 cylinder misfire detection system
P0304*
No. 4 cylinder misfire detection system
P0325
Detonation sensor system
P0335
Crank angle sensor system
P0340
Exhaust camshaft position sensor system
P0403
EGR control solenoid valve system
P0421
Warm up catalyst malfunction
P0443
Purge control solenoid valve system
P0500
Vehicle speed sensor system
P0505
Idle speed control system
P0551*
Power steering fluid pressure switch system
P0710
Transmission oil temperature sensor system
P1012
Intake camshaft position sensor system
P1021
Oil feeder control valve system
P1603*
Battery back-up line system
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