low beam DATSUN 210 1979 Service Manual

Engine
Electrical

System

TROUBLE

DIAGNOSES
AND

CORRECTIONS

I

BATTERY

Battery
is
not

charged
correctly

I

Correctly
adjust
belt
tension
of
alternator

2

Complete
connections
in

charging
system

3

Securely
connect

battery
terminals

Lighting
Joadtest

I
Make

sure
that

electrolyte
level
is
correct

2
Crank

engine
for

three
seconds
with

ignition
system
open

3
Turn
on

headlight
low
beam
for
one
minute

and
then
measure

specific

gravity
of

each
cell
of

battery

Specific
gravity
of
each
cell
is

less

than
1

200

N50Z
or
1

220

NS70

1
When

specific
gravity
can
not
be

raised
above
1

200

by
charging

the

battery
is
run
down
Specific
gravity
of

some
cells
is

above
1
200

N50Z
or
1

220

NS70
but
others

show
lower

specific
gravity

Unbalance
is
within

0
05

Discharged

battery
Charge
it

and

repeat

lighting
lood
test

Unbalance
is
within
0
05

Batter
is

satisfactory

EE
J4
Specific
gravity
of
each

cell
is

above

1

200

N50Z
or
1

220
NS70

Unbalance
of

specific
gravity
be

tween
cells
exceeds
0
05

I

Battery
is

run
down

Unbalance
of

specific
gravity
be

tween
cells
exceeds
0

05

I

Battery
is

run
down

Body
Electrical

System

ELECTRICAL
UNIT
OF

LIGHTING
SYSTEM

CAUTION

Before

starting
to
work
on

any
part
of

electrical

system
disconnect

battery

ground
cable

BULB
SPECIFICATIONS

Item

Headlamp
Main

Dilnmer

Front
combination

lamp

Turn

signal
Clearance

Rear
combination

lamp

Turn

signal

Stop
Tail

Back

up

Side
marker

lamp

License

plate
lamp

Turn

signal
pilot
lamp

High
beam

pilot

lamp

Charge
warning
lamp

Oil

pressure

warning
lamp

Brake

warning
lamp

Seat
belt

warning
lamp

Ash

tray
illumination

lamp

Heater

panel
illumination

laf
lp

Room

lamp

Luggage
room

lamp
Hatchback
and

Wagon

Rear
window

defogger

lamp

AfT
selector
lever
illumination

lamp
Capacity
SAE

trade

number

12V
60

50W

l2V
27
8W
1157

l2V
27W

12V
27
8W

12V
27W

12V
8W

l2V
3
4W

l2V
3
4W

l2V
3
4W

12V
3
4W

12V
3
4W

12V
3
4W

12V
3
4W

l2V2W

l2V
3
4W

l2V
lOW
Quantity

2

2

1156
2

1157
4

1156
2

67
4

158

2

158
2

158

158

158

158

158

158

l2V
5W

12V
14W

12V
3
4W

158

BE
9

ILLUMINATION
CONTROL
UNIT
Body
Electrical

System

8

GY
GW

AIMING

ADJUSTMENT

To

adjust
vertical

aim
use

adjusting

screw
on

upper
side
of

headlamp
and

to

adjust
horizontal
ailn

use

adjusting

screw
on
side
of

headlamp
BE1200

Fig
BE

I3
Illumination
Control
Unit

1

Vertical

adjustment

2

Horizontal

adjustment

BE1210

Fig
BE
14

Aiming

Ad
iusting
Screws

Note

Before

makiiIg
headlamp
aim

ing

adjustment
observe

the
follow

ing
instructions

a

Keep
all
tires
inflated
to
correct

pressures

b
Place

car
and
tester
on
one
and

BE
11
same

flat
surface

c
See

that
there
is

no
load
in
car

coolant

engine
oil

fIlled

up
to

correct
level
and
full
fuel
tank

other

than
the
driver
or

equivalent

weight
placed
in

driver
s

position

d

For
details
refer
to
SAE
J599d

When

performing
headlamp
aiming

adjustment
use

an

aiming
machine

aiming
wall
screen
or

headlamp
tester

For

operating
instructions
of

any

almer
it

should
be
in

good
repair

calibrated

and
used

accordi

g
to

respective
operation
manuals

supplied

with
the
unit

If

any
aimer
is

not
available

aiming

adjustment
can
be
done
as

follqws

Turn

headlamp
low
beam
on

H

Horizontal
center
line

of

headlamps

BE297D

Fig
BE
I5

Aiming
Adjustment
Unit

mm
in

Note

a

Adjust
headlamps
so

that

upper

edge
of
hot

spot
is

equal
in

height

to

headlamp
height
and
left

edge
of

hot

spot
is

equal
in

height
to
each

center
line
of

headlamps

b

Dotted
lines
in

illustration
show

center
of

headlamp

Head

lamp

Condition

Head

lamp
do
not

light
for
either

high

or

low
beam

High
beam

cannot
be

switched
to
low
beam

or
vice

versa

Head

lamps
dim

Head

lamp
lights
on

only
one
side
Body
Electrical

System

Probable
cause

Burnt

fusible
link

Loose
connection

or

open
circuit

Faulty
combination
switch

No

ground

Faulty
combination
switch

Partly
discharged
or

faulty
battery

Faulty
charging
system

Poor

ground
or

loose
connection

Burnt

fusible
link

Loose
head

lamp
connection

Faulty
headlamp
beam

Tail
clearance
aide
marker
and
license

plate
lampa

Condition

Neither
left
nor

right

lamp
lights

Lamp
on

only
one

side
does
not

light
Probable
cause

Burnt

fuse

Loose
connection

or

open
circuit

Faulty
lighting
switch

Lamps
light
when

@
and

@
terminals
of

harness
connector
to

combination
switch

are

connected
with

test
lead

iIlc1uding
15A

fuse

Burnt
bulb

LOose
bulb

Loose
connection
to

lamp

BE
35
Corrective
action

Corree
cause
and

rep1ace

Check

wiring
and
or

repair
connection

Conduct

continuity
test
and

replace
if
nee

essary

Clean
and

tighten
ground
terminal

Conduct

continuity
test
and

replace
if
nee

essary

Measure

specific
gravity
of

electrolyte
and

recharge
or

replace
battery
if

necessary

Measure

voltage
at

headlamp
terminals

If
it
is
less
than

12
8V
check

charging

system
for

proper
operation

Clean
and

or

tighten

Replace

Repair

Replace

Corrective
action

Correct
cause
and

replace

Check

wiring
and
or

repair
connection

Replace
if

necessary

Replace

Correct

Correct