Code No. 64 Alternator Fr Terminal System - Mitsubishi MOTORS Lancer 2005 Workshop Manual Supplement

13D-34

Code No. 64 Alternator FR terminal system

Range of Check
D During the engine running.
Set Condition
D Input voltage from the alternator FR terminal is system voltage for 20
seconds.
Check the following connector:
B-26
OK
Measure at the alternator connector
B-26.
D Use test harness (MB991519) to
connect the connector, and
measure at the pick-up harness.
D Ignition switch: ON
D The voltage between terminal 4
and earth
OK: 9 10 V
OK
Measure at the alternator connector
B-26.
D Use test harness (MB991519) to
connect the connector, and
measure at the pick-up harness.
D Engine: Idling (After warming up)
D Radiator fan: Not operating
D The voltage between terminal 4
and earth
OK: The voltage drops when
the headlamps are turned
on.
OK
Check the trouble symptoms.
NG
Replace the engine-A/T-ECU.
MPI <4G63>
NG
Repair
NG Measure at the engine-A/T-ECU
connector C-124.
D Measure the voltage at the
engine-A/T-ECU terminal.
D Ignition switch: ON
D The voltage between terminal 54
and earth
OK: 9 10 V
Check the following connector:
C-124
Check the harness wire between the
alternator connector and the
engine-A/T-ECU.
Check the trouble symptoms.
NG
Check the following connectors:
B-18, C-124
Check the harness wire between the
alternator connector and the
engine-A/T-ECU.
Check the trouble symptoms.
Replace the alternator.
OK
Intermittent malfunction
(Refer to GROUP 00
Note for Intermittent Malfunctions.)
Troubleshooting
Probable cause
D Open circuit in alternator FR terminal circuit
D Malfunction of the engine-A/T-ECU
OK
NG
NG
OK
NG
OK
NG
NG
OK
NG
OK
NG
Points to
Check the following connectors:
B-18, C-124
OK NG
Repair
Check the harness wire between the
alternator connector and the
engine-A/T-ECU, and repair if
necessary.
Repair
Repair
Replace the engine-A/T-ECU.
Replace
Repair