Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 389

13A-30
Code No.64 Alternator FR terminal system
Range of check
Engine speed is 50 r/min or more.
Set conditions
Input voltage from the alternator FR terminal is system voltage for 20
seconds.
Measure at the alternator connector
A-93.
Connect the connector. (Use test
harness MB991519)
Voltage between 4 (blue clip)
and earth
(Engine: Idling)
(Radiator fan: Not operating)
(Headlamp: OFF ON)
(Stop lamp: OFF ON)
(Rear defogger switch: OFF
ON)
OK: Voltage decreases.
OK
Replace the engine-ECU.
GDI –
Troubleshooting
NG
Measure at the alternator connector
A-93.
Disconnect the connector, and
measure at the harness side.
Voltage between 4 and earth
(Ignition switch: ON)
OK: System voltage
OK
Check the following connector:
A-93
OK
Check trouble symptom.
NG
Check the harness wire between the
engine-ECU and the alternator.
OK
Replace the alternator.
Probable cause
Open circuit in alternator FR terminal circuit
Malfunction of the engine-ECU
NG
Check the following connectors:
A-75, B-29
Check trouble symptom.
Check the harness wire between the
engine-ECU and the alternator.
NG
Repair
Replace the engine-ECU.
NG
Repair
OK
NG
Repair
NG
OK
NG
Repair