Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 429

13A-70
INSPECTION PROCEDURE 31
Purge control solenoid valve system
The engine-ECU controls the purge control solenoid valve in order to control
the purge air coming from the canister.
Check the purge control solenoid valve.
(Refer to GROUP 17 – On-vehicle Ser-
vice.)
OK
Measure at the purge control solenoid
valve connector A-58.
Disconnect the connector, and
measure at the harness side.
Voltage between 2 and earth
(Ignition switch: ON)
OK: System voltage
OK
Measure at the engine-ECU connector
B-28.
Disconnect the connector, and
measure at the harness side.
Voltage between 55 and earth
(Ignition switch: ON)
OK: System voltage
OK
Check the following connector:
B-28
OK
Check the trouble symptoms.
GDI –
Troubleshooting
NG
Replace
NG
Check the harness wire between
the engine control relay and the
purge control solenoid valve, and
repair if necessary.
NG
Check the following connector:
A-58
Check the trouble symptoms.
NG
Repair
NG
Replace the engine-ECU.
Probable cause
Malfunction of the purge control solenoid valve
Open circuit or short-circuited harness wire in the
purge control solenoid valve circuit
Malfunction of the engine-ECU
NG
OK
NG
Repair
Check the harness wire between the
engine-ECU and the purge control sole-
noid valve, and repair if necessary.