Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1198

Inspection Procedure 7
Starting disabled (Initial combustion occurs but is
incomplete.), improper starting (Starting time is long.)
Causes shown on right are suspected.
Has the battery terminal been disconnected recently?
NO
Check the battery. (Refer to GROUP 54 - Battery.)
OK
MUT-II Self-Diag code
D Is a diagnosis code output?
NO
MUT-II Data list
D No. 13: Intake air temperature sensor
D No. 21: Engine coolant temperature sensor
D No. 25: Barometric pressure sensor
(Refer to P.13A-102.)
<Reference>
Proceed to OK if all service data values are correct.
Proceed to NG if there is even one abnormal service data value.
OK
Check the air intake from the intake hose and intake manifold.
OK
Check the timing marks on the timing belt.
OK
Measure at the C-115 and C-126 en-
gine-ECU connectors.
D Measure the engine-ECU terminal
voltage.
(1) Voltage between terminal No. 80
and earth
OK: System voltage
(2) Voltage between terminal No. 13
and earth
Voltage between terminal No. 26
and earth
(Ignition switch: ON)
OK: 0.5 V or less
OK
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MPI -
Troubleshooting
YES
NG
YES
NG
NG
NG
(1) NG
Check the following connectors:
C-115, C-129, C-05, C-135
Check the harness between the
engine-ECU and battery.
D Check for disconnection,
short-circuit and damage of the
power cable.
Check the trouble symptoms.
Replace the engine-ECU.
(2) NG
Check the following connector:
C-126
Check and repair the harness between
the engine-ECU and earth joint.
D Check for disconnection and
damage of the earth cable.
Probable cause
D Battery malfunction
D Ignition system malfunction
D Fuel system malfunction
D Intake system malfunction
D EGR valve malfunction
D Timing belt malfunction
D Improper compression pressure
D Engine-ECU malfunction
After warming up the engine, idle for approximately 10 minutes.
Replace the battery.
INSPECTION CHART FOR DIAGNOSIS CODE
(Refer to P.13A-12.)
Refer to inspections for diagnosis code of sensor showing abnormal
service data. (Refer to P.13A-12.)
Repair
Align the timing marks on the timing belt.
NG
OK
NG
OK
OK
NG
NG
OK
13A-61
Repair
Repair
Intermittent malfunction
(Refer to GROUP 00 - Points to Note
for Intermittent Malfunctions.)
Repair