Battery Dies - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

Inspection Procedure 18

Battery dies

Causes shown on right are suspected.
Check the battery.
(Refer to GROUP 54 - Battery.)
OK
Check the following connector:
B-14
OK
Measure at the B-14 alternator
intermediate connector.
D Disconnect the connector to
measure at the female connector
side.
D Ignition switch: ON
D Voltage between terminal No. 9 and
earth
OK: System voltage
OK
Measure at the B-14 alternator
intermediate connector.
D Disconnect the connector to
measure at the male connector
side.
D Ignition switch: ON
D Voltage between terminal No. 10
and earth
OK: System voltage
OK
Check the following connector:
C-122
OK
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MPI -
Troubleshooting
NG
Replace the battery.
NG
Repair
NG
Check the following connectors:
C-130, C-01, C-213, C-29 <L.H.
drive vehicles>
Check and repair the harness between
the alternator intermediate connector
and ignition switch.
D Check for disconnection and
short-circuit of the power cable.
NG
Check the following connector:
B-22
Check the harness between the
alternator intermediate connector and
alternator.
D Check for short-circuit of the output
cable.
Check the harness between the
alternator intermediate connector and
alternator.
D Check for disconnection and
short-circuit of the power cable.
Check the harness between the
alternator and ignition switch.
D Check for damage of the power
cable.
Replace the alternator.
NG
Repair
Probable cause
D Battery malfunction
D G terminal short - circuit
D Alternator malfunction
D Engine-ECU malfunction
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
13A-77
Repair
Repair
Repair
Repair
Repair