Datsun C210 series - Page 22

f
Engine
Tune
up
TROUBLE
DIAGNOSES AND
CORRECTIONS
Condition Probable cause
Corrective
action
CANNOT CRANK
ENGINE
OR SLOW
CRANKING
Improper grade
oil
Discharged
battery
Faulty
battery
Loose fan
belt
Replace
with
proper
grade
oil
Charge
battery
Replace
Adjust
Inspect
Malfunction in
charge
system
Wiring
connection
loose
in
starting
circuit
Faulty
ignition switch
Faulty
starter
motor
Trouble
shooting procedure
on
starting
circuit
Switch on the
starting
motor
with
light
ON
When
light
goes
off
or
dims
considerably
a Check
battery
b
Check connection
and cable
c Check starter motor
Correct
Repair
or
replace
Repair
or
replace
When
light stays bright
a
Check
wiring
connection
between
battery
and
starter
motor
b Check
ignition
switch
c Check starter
motor
ENGINE
WILL
CRANK
NORMALLY BUT
WILL
NOT START
In this case the
following
trouble causes
may
exist
but in
many cases
ignition system
of fuel
system
is in trouble
Ignition S I tem
in
trouble
Fue1IYstem
in
trouble
Value mechani8m doe not
work
properly
Low
compreuion
Trouble
shooting
procedure
Check
spark
plug fIrstly
by
following
procedure
Disconnect
high
tension
cable from one
spark
plug
and hold
it
about 10 mm
0 39
in
from the
engine
metal
part
and
crank
the
engine
Good
spark
occurs
No
spark
occurs
a Check
spark plug
b Check
ignition
timing
c
Check fuel
system
d Check
cylinder
compression
Check the current flowm
j iiiiiary
circuit
Very high
current
Inspect primary
circuit
for short
Check
breaker
point operation
ET 12