GDI ± Troubleshooting
13A-59
From the previous page
OK
MUT-II Data list
68 EGR valve (Refer to P.13A-74.)
NG
Check the EGR valve system. (Refer to P.13A-67, INSPECTION
PROCEDURE 29.)
OK
MUT-II Actuator test
08 Purge control solenoid valve (Refer to P.13A-76.)
NG
Check purge control solenoid valve system. (Refer to P.13A-68,
INSPECTION PROCEDURE 30.)
OK
Check trouble symptom.
NG
Replace the injector.
Check trouble symptom.
NG
Replace the three-way catalytic converter.
INSPECTION PROCEDURE 19
Low alternator output voltage (approx. 12.3 V)
Probable cause
The cause is probably a malfunction of the alternator or one of the problems
listed at right.
D Malfunction of the charging system
D Open circuit between the alternator G terminal
and the engine-ECU
D Malfunction of the engine-ECU
NG
Repair
OK
Check trouble symptom.
OK
Check the alternator. (Refer to GROUP
16 ± Charging System.)
OK
Check the following connectors:
A-86, C-17
Measure at the alternator connector
A-79.
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.
NG
Measure at the alternator connector
A-79.
D Disconnect the connector, and
measure at the harness side.
D Disconnect the engine-ECU
connector.
D Continuity between 1 and earth
OK: No continuity
NG
Check the harness wire between
the alternator and the engine-ECU,
and repair if necessary.
Replace the engine-ECU.
NG
Check the harness wire between
the alternator and the engine-ECU.
OK
Repair
NG
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