Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 498

Code No. 36 Ignition timing adjustment signal system
Range of Check
Ignition switch: ON
Set conditions
The ignition timing adjusting signal wire is shorted to the earth.
Measure at the ignition timing adjust-
ment connector A-57.
Measurement of the voltage
(Ignition switch: ON)
OK: 4.0 – 5.2 V
OK
Replace the engine-ECU.
Code No. 41 Injector system
Range of Check
Engine speed is approx. 50 – 1,000 r/min
The throttle position sensor output voltage is 1.15 V or less.
Actuator test by MUT-II is not carried out.
Set conditions
Surge voltage of injector coil is not detected for 4 seconds.
Check the injector. (Refer to P.13B-74.)
OK
Measure at the injector connectors.
A-48, A-49, A-54, A-60.
Disconnect the connector, and
measure at the harness side.
Voltage between 1 and earth
(Ignition switch: ON)
OK: System voltage
OK
Measure at the engine-ECU connector
B-28.
Disconnect the connector, and
measure st the harness side.
Voltage between 1, 2, 14, 15 and
earth (Ignition switch: ON)
OK: System voltage
OK
Check the following connector: B-28
OK
Check trouble symptom.
NG
Replace the engine-ECU.
MPI –
Troubleshooting
NG
Check the following connector: B-30
Check trouble symptom.
Check the harness wire between the
engine-ECU connector and the ignition
timing adjustment terminal.
Replace the engine-ECU.
NG
Replace
NG
Check the harness wire between the
engine control relay and the injector
connector, and repair if necessary.
NG
Check the following connectors:
A-48, A-49, A-54, A-60
Check trouble symptom.
Check the harness wire between the
engine-ECU and the injector connector,
and repair if necessary.
NG
Repair
Probable cause
Short circuit to earth of the ignition timing adjustment
signal line
Malfunction of the engine-ECU
NG
OK
NG
NG
OK
Probable cause
Malfunction of the injector
Improper connector
short-circuited harness wire of the injector circuit
Malfunction of the engine-ECU
NG
OK
NG
13B-17
Repair
Repair
contact, open circuit
Repair
or