Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 1193

13A-56
Inspection Procedure 3
Engine warning lamp does not illuminate immediately
after ignition switch is set to ON position.
The engine-ECU illuminates the engine warning lamp for 5 seconds immediately after
ignition switch is set to "ON" position to check whether the engine warning lamp bulb
is dead.
Can engine be started?
YES
Check whether engine warning lamp bulb is dead.
(Refer to GROUP 54 - Combination Meter.)
OK
Check the following connector:
C-01
OK
Measure at the C-01 combination
meter connector.
D Disconnect the connector to
measure at the harness side.
D Ignition switch: ON
D Voltage between terminal No. 9 and
earth
OK: System voltage
OK
Check the following connector:
C-122
OK
Measure at the C-122 engine-ECU
connector.
D Disconnect the connector to
measure at the harness side.
D Ignition switch: ON
D Voltage between terminal No. 36
and earth
OK: System voltage
OK
Check the following connectors: C-213, C-210, C-201
OK
Check the harness between the combination meter and ignition
switch.
D Check for damage of the power cable.
OK
Check the following connector: C-130
OK
Check the harness between the combination meter and engine-
ECU.
D Check for damage of the output cable.
OK
Check the trouble symptoms.
NG
Replace the engine-ECU.
MPI -
Troubleshooting
NO
NG
NG
Repair
NG
Check the following connectors:
C-213, C-210, C-201
Check and repair the harness between
the combination meter and ignition
switch.
D Check for disconnection and
short-circuit of the power cable.
NG
Repair
NG
Check the following connector:
C-130
Check and repair the harness between
the combination meter and engine-
ECU.
D Check for disconnection and
short-circuit of the output cable.
NG
NG
NG
NG
OK
Probable cause
D Engine warning lamp bulb dead
D Ignition switch malfunction
D Engine control relay malfunction
D Engine-ECU malfunction
Check the Inspection Procedure 22: Engine-ECU power supply,
engine control relay, ignition switch-IG system.
(Refer to P.13A-82.)
Replace the engine warning lamp.
NG
OK
NG
OK
Repair
Repair
Repair
Repair
Intermittent malfunction
(Refer to GROUP 00 - Points to Note for Intermittent
Malfunctions.)
Repair
Repair