One-Way Valve
---------------------
Pressure should not remain.
Pressure should remain
Disconnect the vacuum hose from the intake of the
Connect
a hand air pump to the vacuum
air pressure.
Disconnect the vacuum hose from the
accumulator. Con-
nect a hand air pump to the vacuum hose and air
pressure,
If unable to obtain the above I """,un.
."
install a new ona-
way valve.
NOTES:
HOLD: Vacuum should remain steady when battery voltage is applied
to the terminals
RELIEVE:
Vacuum should be relieved when battery is applied.
DECREASE: About 1
00·150
of vacuum will
be
each time
battery voltaae
is a ,plied.
Battery
Voltage
Vacuum
(
.}
batlery wire
I(
.)
battery
wire
Blocked lube
Blocked tube
connected
not connected
(Port closed) (Port open)
Current not applied
HOLD HOLD
BriBI BrlW
RELIEVE
RELIEVE
G
BrlW
HOLD
HOLD
Sr Br/W
HOLD
HOLD
Br/BI,
G
Br/W
RELIEVE
RELIEVE
BriBI, Sr Br/W
RELIEVE
RELIEVE
Sr,
G Br/W
HOLD
HOLD
8ri81,
Sr,
G Br/W
DECREASE
RELIEVE
Control
Va
Ive
If
unable to obtain
sp'::lci1ied
''''~'U'''''.
install a new valve.
While
malint:alninq
vacuum,
the terminals shown in the table on the
Test each of terminals with the actuator hose
open and then blocked with a hose.
Avoid toulching the (+) test
wire
to
the
(- ) test wire.
If
a test involves
two
or more first connect all negative
wires
to
the battery then connect the
Dositive wire
to
the
wire.
Connect a vacuum pump to the intake vacuum hose
and vacuum.
If the vacuum does not remain
install a new valve.
Remove the cruise control valve from its
bracket
Discon-
nect
the valve off the intake and ac-
tuator vacuum hoses with a small screwdriver.
CAUTION: The plalstic connectors are Pull the
hoses side stress may break the connec-
tors.
13-15
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