Datsun C210 series Manual page 458

Body
Electrical
System
TROUBLE DIAGNOSES AND CORRECTIONS
WINDSHIELD WIPER AND WASHER
SYSTEM
Condition
Windshield
wiper does
not
operate
Windshield
wiper operat
ing speed is
too
slow
t
l
f
Motor
Power
supply
and
cable
Switch
link
Motor
Power
supply
and
cable
link
Switch
j t
Probab Ie
ca
use
No current
flows to
motor due
to
Broken
armature
Worn motor brush
Motor is
overheated due
to
seized
motor
shaft
Windshield
wiper
fuse
is
easily
fused due
to
short
circuit layer
short circuit
or
burnt comp ment
inside
motor
Blown
fuse
due
to problem
in
other
part
of windshield
wiper
circuit
Loose open
or
broken wiring
Erroneous
wiring
Improper
grounding
Improper
switch
contact
Foreign
material
interrupts movement
of
link mechanism
Disconnected link rod
Seized
or
rusted
arm
shaft
With
arm
raised excessive
current
still
flows due
to
rare
short circuit
of
motor
armature
Windshield
wiper
stops
when
lightly held
with
hand
due
to worn
motor
brush
With
arm
raised excessive
current
still
flows 3 to 5A
due
to
seized
motor
shaft
Low
source
voltage
Humming occurs on
motor in
arm
opec
ating cycle due to seized
arm
shaft
Improper
switch
contact
BE 58
Corrective action
Replace motor
Replace motor
Replace
motor
Replace motor
or
repair
short circuited
part
Check other
part
for
operation
and
correct problem
Check wiring
near
motor
and
connector
for proper connection
Correct if
necessary
Check each
wire
for color code
and
correct
if
necessary
Correct
Correct
Correct
Correct
Lubricate
or
replace arm
shaft
Replace
motor
Replace
motor
Replace
motor
or
lubricate
bearing with
engine
oil
Measure voltage
check other electrical
parts
for
operation
and take corrective
action
for power supply
if
necessary
Lubricate
or
replace
Conduct continuity test
and
replace
if
necessary