Subaru 1600 Service Manual page 187

3) Solenoid valve II
NOTE:
Check the resistance between
(+) and (-) terminals.
Standard resistance:
32.7 39.9il
YES
Check the resistance between
(+) or(-) terminal and body.
Standard resistance:
1 Mil or more.
YES
Check the vacuum passage for
opening and closing operation
while applying electric current
on both (+) and ( -) terminals.
YES
Usually (when the current is OFF), the
plunger is forced upwards by the
.spring force to close the passage
'between
®
and @.
When the current is ON in the sole-
noid, the plunger is attracted down-
wards to open the passage between
®
and @.
2) AI System
1) ASV
1) ASV I with cutoff valve (Nippon
Denso)
a. Disassembly
(I) Separate the control valve ASSY,
valve seat, and reed valve cover by
removing 3 screws.
(2) Remove the reed valve ASSY and
gasket from the inside of the valve
cover.
(3) Remove the O-ring from the con-
trol valve ASSY.
b. Inspection
(1) Control valve ASSY
Apply a vacuum to the vacuum
inlet pipe to determine if the con·
trol valve operates normally.
EMISSION CONTROL SYSTEM
NO
NO
NO
To air cleaner
vacuum
valve I
@E~~
,
To ECM
Fig.5-38 Solenoid valve II
(2) O-ring
A10·194
Check for scratches, cracks, etc.
(3) 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.
c. Assembly
Assemble in the reverse order of
disassembly.
1 Screw
2
Control valve assy
3 Valve seat
4
Reed valve assy with gasket
5
Reed valve cover
6 D·ring
A10·156
Fig. 5-39 ASV I with cutoff valve
(Nippon Denso)
2) ASV I with cutoff valve (NOK)
a. Disassembly
(I) Separate the control valve ASSY
and reed valve cover by removing
3 screws.
(2) Remove the reed valve ASSY and
gasket from the inside of the valve
cover.
b. Inspection
(I) Control valve ASSY
Apply a vacuum to the vacuum
inlet pipe to determine if the con·
trol valve operates normally.
(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.
c. Assembly
Assemble in the reverse order of
disassembly .
1 Screw
2 Control valve ASSY
3 Reed valve ASSY with gasket
4 Reed valve cover
A10.195
Fig. 5-40 ASV I with cutoff valve
(NOK)