Subaru 1600 Service Manual page 188

3) ASV II and III without cutoff
valve (NOK)
a. Disassembly
(1) Separate inlet case from outlet
case by removing 3 screws.
(2) Remove reed valve ASSY and
gasket from the inside of outlet
case.
b. Inspection
(l) Inlet case and outlet case
Check for damage and cracks.
(2) Reed valve ASSY and gasket
• Gasket
Check for damage and cracks.
• Reed valve ASSY
After washing with gasoline,
check the ASSY to ensure that
it is free of the following defects:
a) Waves, cracks, or dents in the
reed valve seat.
b) A cracked or broken point of
the reed valve.
c) A rusty stopper.
2) Solenoid valve I
Check the resistance between
(+)
and ( -) terminals.
Standard resistance:
32.7 - 39.90
YES
Check the resistance between
(+)
or (-) terminal and body.
Standard resistance:
IMO or more.
YES
Check the vacuum passage for
opening and closing operation
So'
"t
while applying electric current
on both
(+)
and (-) terminals.
YES
l
Normal
J
EMISSION CONTROL SYSTEM
c. Assembly
Assemble in the reverse order of
disassembly.
ASVcase
f,
~ I
Screw &
washer~
A10-196
Fig,
541
ASV III without cutoff valve
(NOK)
NO
NO
J
Replace
J
I
NO
ASV case
A10-197
Fig.
542
ASV II without cutoff valve
(NOK)
NOTE:
Usually (when the current is OFF), the
plunger is forced upwards by the
spring force to close the passage
between @ and @, and to open
the passage between @ and
©,
When the clurrent
~s
ON in thd e
d
sole- .
J
noid, the p unger
IS
attracte own.:
wards to open the passage b~n'
@ and @, and
to
close the passage
between @ and
©.
To intake manifold
®t
Valve seat
®
Plunger
To cutoff
k~=illi!
Spring To electronic
ll1l'diL''''=,,''''
valve
Valve seat
Al0-1S7
Fig.
543