Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 90

Code No. 61 Communication wire with A/T-ECU system
<A/T>
Range of Check
D 60 seconds or more have passed immediately after engine was started.
D Engine speed is approx. 50 r/min or more
Set conditions
The voltage of the torque reduction request signal from the engine-A/T-ECU is LOW
for 1.5 seconds or more.
Replace the engine-A/T-ECU.
Code No. 64 Alternator FR Terminal System
Range of Check, Set Conditions
D The alternator FR terminal signal voltage remains high for approximately 20 seconds
while the engine is running.
Measure at the alternator connector A-52.
D Connect the connector.
D Voltage between 4 and earth
(Engine: Idling)
(Radiator fan: Stopped)
(Headlamp: OFF ® ON)
OK: 1.8 - 2.4 ® 1.0 - 1.6 V
Measure at the alternator connector A-52.
D Disconnect the connector, and measure at the harness side.
D Voltage between 4 and earth
(Ignition switch: ON)
OK: 4.8 - 5.2 V
Check the following connector: A-52
Check trouble symptom.
Check the harness wire between the engine-ECU <M/T> or engine-
A/T-ECU <A/T> and the alternator connector.
Replace the alternator.
MPI -
NG
OK
OK
NG
OK
Troubleshooting
Probable cause
D Malfunction of the harness wire and the connector
D Malfunction of the engine-A/T-ECU
Probable cause
D Open circuit in alternator FR terminal circuit
D Malfunction
engine-A/T-ECU <A/T>
OK
Replace the engine-ECU
<M/T> or engine-A/T-
ECU <A/T>.
NG
Check the following
connectors:
<M/T>, B-112
A-30
OK
Check trouble symptom.
NG
NG
Repair
Check the harness wire
between the engine-ECU
<M/T> or
A/T-ECU <A/T> and the
alternator connector.
OK
NG
Repair
Replace the engine-ECU
<M/T> or
A/T-ECU <A/T>.
of the engine-ECU
NG
Repair
B-53
<A/T>,
NG
Repair
engine-
engine-
13D-25
<M/T> or