Mitsubishi FUEL Manual page 279

From the previous page
MUT-II Data list
68 EGR valve (Refer to P.13I-98.)
MUT-II Actuator test
08 Purge control solenoid valve (Refer to P.13I-104.)
Check trouble symptom.
INSPECTION PROCEDURE 19
Low alternator output voltage (approx. 12.3 V)
The cause is probably a malfunction of the alternator or one of the problems
listed at right.
Measure at the alternator connector
B-38.
D Connect the connector. (Use the
test harness MB991519)
D Voltage between 1 (black clip)
and earth
(Engine: Idling)
(Radiator fan: Not operating)
(Headlamp: OFF ® ON)
(Stop lamp: OFF ® ON)
(Rear defogger switch: OFF ®
ON)
OK: Voltage increased by
0.2 - 3.5 V.
OK
Check the alternator. (Refer to GROUP
16 - Charging System.)
GDI -
OK
OK
OK
NG
Measure at the alternator connector
B-38.
D Disconnect the connector, and
measure at the harness side.
D Disconnect the engine-ECU
connector <M/T> or
engine-A/T-ECU connector <A/T>.
D Continuity between 1 and earth
OK: No continuity
Check the following connectors:
B-31, B-38, C-165 <M/T>, C-177
<A/T>
Replace the engine-ECU <M/T> or en-
gine-A/T-ECU <A/T>.
Troubleshooting
NG
Check the EGR valve system. (Refer to P.13I-51, INSPECTION
PROCEDURE FOR DIAGNOSIS CODE No. P0403.)
NG
Check purge control solenoid valve system. (Refer to P.13I-54,
INSPECTION PROCEDURE FOR DIAGNOSIS CODE P0443.)
NG
Replace the injector.
Check trouble symptom.
Replace the three-way catalytic converter.
Probable cause
D Malfunction of the charging system
D Open circuit between the alternator G terminal and
the engine-ECU <M/T> or engine-A/T-ECU <A/T>
D Malfunction of the engine-ECU <M/T>
D Malfunction of the engine-A/T-ECU <A/T>
NG
OK
NG
OK
13I-85
NG
Check the harness wire between the
alternator and the engine-ECU
<M/T> or engine-A/T-ECU <A/T>,
and repair if necessary.
Repair