Datsun C210 series Manual page 110

and
letting
the
car
decelerate After
doing
this
check whether
the
B C D D
set
pressure is at
the
prede
termined value
or not
Vacuum
gauge
Intake
iYjI
J
J
l Road
Trouble die
noses
end corrections
Emission Control
System
7 Connect lead wire of B C D D
cut
solenoid and make
sure
engine
falls to idling speed
Vacuum gauge
n
2
Chassis dynamometer
Fig
EC 26 Road
test
proc dure
Malfunction in B c D D
system
Engine speed
does
not
fall
to
idle
speed
when
car
is at rest
M T
or
transmission
is in N
or
p
AfT
Check B
C D D
cut
solenoid
and harness
Good
No
good
Replace
Check amplifier MfT
or
inhibitor switch
AfT
Good
No
good
Others
Operating
pressure
too
low
Binding linkage
Adjustment
I Remove rubber cap
al
bottom of
B C D D
2 Turn adjusling
screw
slighlly
Then
race
engine
and confirm thai
operating
pressure
is at
the
specified
value
If it is
higher
than the
set
level
turn adjusting
screw
clockwise until
correct
adjustment
is
made
if
it is
Replace inhibilor switch
or
amplifier
lower than
that
turn screw
counler
clockwise
Note
a
Turning adjusting
screw one
quarter
rotation will
cause a
change
in
operation
pressure of about
2
7 kPa
20 mmHg
0
79 inHg
b
Do not
fit tip of screwdriver
tightly
into
screw
slot
EC
l0
1
Adju ting
tCW
CD
2
Covel
ET037
Fig
EC 27
Adjusting
control valve
l
ET286
Fig
EC 28 Adjusting
setscrew
Race the
engine
and check for
adjustment
INSPECTION
Cut solenoid
Check for function of
cut
solenoid
as
follows
Apply
12 volts
to
B
C
D D cut
solenoid lead wire and check for
move
ment
of needle valve
in
solenoid When
needle
valve does
not
move
replace
solenoid
If solenoid is in
good
condition
check control circuit
Fig
EC 29 Ch
cking
cu
t
olenoid