GDI ± Troubleshooting
13A-68
INSPECTION PROCEDURE 30
Purge control solenoid valve system
Probable cause
The engine-ECU controls the purge control solenoid valve in order to control
the purge air coming from the canister.
D Malfunction of the purge control solenoid valve
D Open circuit or short-circuited harness wire in the
purge control solenoid valve circuit
D Malfunction of the engine-ECU
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine-ECU and the purge control sole-
noid valve, and repair if necessary.
OK
Check the trouble symptoms.
NG
Replace the engine-ECU.
OK
Check the following connector:
C-17
NG
Repair
OK
Measure at the engine-ECU connector
C-17.
D Disconnect the connector, and
measure at the harness side.
D Voltage between 16 and earth
(Ignition switch: ON)
OK: System voltage
NG
Check the following connector:
A-02
NG
Repair
OK
Measure at the purge control solenoid
valve connector A-02.
D Disconnect the connector, and
measure at the harness side.
D Voltage between 2 and earth
(Ignition switch: ON)
OK: System voltage
NG
Check the purge control solenoid valve.
(Refer to GROUP 17 ± On-vehicle Ser-
vice.)
NG
OK
Check the trouble symptoms.
NG
Check the harness wire between the
engine control relay and the purge
control solenoid valve, and repair if
necessary.
Check the following connector:
A-36
NG
Repair
Replace
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