Datsun 1980 200SX Service Manual page 552

Automatic Speed Control Device A SC D ELECTRICAL SYSTEM
Other
maHunctlon
Condition
Set
speed
is
cancelled
Pulsation of
set
speed
Excessive
setting
error
Speed drops
immediately
after
setting
Probable
cause
Bent meter
cable
excessive meter
needIe
deflection
Faulty
controller
Excessive
play
or
binding
of A S C D
cable
Leakage
or
clogging
in
vacuum
hose
Binding
in actuator
Faulty
servo
valve
Faulty controller
Excessive
play
or
binding
in A s C D
cable
Leakage
or
clogging
in
vacuum
hose
Faulty
actuator
Faulty
servo
valve
Faulty
controller
Faulty
speed
sensor
Excessive
play in A S C D cable
Leakage
or
clogging in
vacuum
hose
Faulty
release valve
Faulty
servo
valve
Faulty controller
Cancel circuit inoperative Faulty controller
EL 98
Corrective
act
on
Check and
repair
meter
cable
or renew
cable
Renew
Adjust
Check and
repair piping route
or renew
hose
Renew actuator
Renew
servo
valve
Renew
controller
Readjust
Check and repair piping
route
or renew
hose
Renew
actuator
Renew
servo
valve
Renew controller
Renew
speed
sensor
Readjust
Check and
repair piping
route
or renew
hose
Ren
w
rele valve
Rene y
servo
valve
Renew controller
Renew controller