Subaru XT 1988 Service Manual page 372

FUEL INJECTION SYSTEM
TROUBLE CODE (35): PURGE CONTROL SOLENOID VALVE
Control unit
@ o r
@)
(Black)
3~G~L~
____________________________
~
®
(Black)
®
Fuse No. 11
GL
BW
Purge control
solenoid valve
2-7
I
1
I f I
I
11
0
' 1 1 I
r------c~r---~EB
IG
L2·1507
Fig. 94
Check if trouble code is out·
NO
Check terminals of control
putted in D·check mode.
unit.
, YES
(See page 56.)
Connect test mode connector .
•
Turn ignition switch ON
(engine off).
t
Check if voltage across termi·
YES
nal3 (GL) of control unit and
body alternates above and
Raplace control unit.
below
6
V every
1.5
seconds.
, NO
Check if voltege ecross termi·
YES
Turn ignition switch OFF
J
Disconnect control unit con- I
nel (GL) and body is greater
than
6V.
(engine off).
I
nector.
•
t
NO
YES I
Check if terminel (OL) is open
I
Disconnect purge control Repair tarminel or harness.
I
or disconnected.
solenoid valve connector.
, NO
~
l
Replace control unit.
I
Check if voltage across termi-
NO
NO • nal (BW) of connector (body
I
I
side) and body is greater than
1 Check if fuse is blown.
Repair harness.
10V.
i
YES
• YES Replace fuse.
Replace
NO
Check if resistance between
solenoid solenoid valve terminals is less
velve.
~
than 100n.
y
YES
Replace
NO
Check if resistance between
+
solenoid each solenoid valve terminal
valve.
and body is greater than 1 MO. Check if resistance between
NO
--l
Repair harness.
I
• YES
terminal 3 (G L) of control unit
and body is less than
100n.
Connect purge control solenoid
+
YES
valve connector.
,
Replace control unit.
Disconnect control unit can-
)--
nector.
89