1979 DATSUN 210 ignition

When
for
one
reason
or
another

fuse
has
melted
use

systematic
proce

dure
to

check
and
eliminate
cause
of

problem
before

installing
new

fuse

Note

a
If

fuse
is
blown
be
sure

to
elimi

nate
cause
of

problem
before
in

stalling
new
fuse

b
Use

fuse
of

specified
rating
Never

use
fuse
of
more
than

specified

rating

c
Check
condition
of
fuse
holders
If

much
rust
or
dirt
is
found
thereon

clean
metal

parts
with

fine
grained

sandpaper
until

proper
metal
to

metal
contact
is

made

Poor

contact
in

any
fuse
holder
will

often
lead
to

voltage

drop
or

heat

ing
in

the
circuit
and
could
result
in

improper
circuit

operation
Body
Electrical

System

W

BE1100

Fig
BE
l

FU
e
Block

Fusible
link

Fusible
link

protects
starting
he
d

lamp
ignition
and

charge
circuits
and

wiring
between
fuse
and
fusible
link

BE1110

Fig
BE
2

Fusible
Link

BE
3
CAUTION

a
If
fusible
link
should
melt
it
is

possible
that
critical
circuit

power

supply
or

large
current

carrying

circuit
is
shorted
In
such
a
case

carefully
check
and

eliminate
cause

of

problem

b
Never

wrap
periphery
of
fusible

link
with

vinyl
tape
Extreme
care

should
be
taken
with
this
link
to

ensure
that
it
does
not
come
into

contact
with

any
other

wiring
har

ness
or

vinyl
or
rubber

parts

A
melted
fusible
link

can
be

detect

ed
either

by
visual

inspection
or

by

feeling
with

finger
tip
If
its

condition

is

questionable
use
circuit
tester
or

test

lamp
as

required
to

conduct

continuity
test
This

continuity
test

can
be

performed
in
the

same
manner

as
for

any
conventional
fuse

m
c
n
to
l
l

I
g
iF
0
1
To
side
marker
lamp
L
H

2
To
headlamp
L
H

3
To
horn
L
H

4
To
front
combination
lamp
L
H

5
To
cooler
co
pressor
Air
Con
models

6
To
oil
pressure
switch

7
To
condenser

8
To
horn
R
H

9
To
front
combination
la
t11p
R
H

10
To
side
marker
lamp
R
H

11
To
headlamp
R
H

12
To
body
earth

13
To
fusible
link

14
To
inhibitor
relay
AfT
model

15
To
aut6
choke
relay

16
To
ignition
coil

17
To
condenser

18
To
washer
motor

19
To
engine
harness
No
2
@

20
To
alternator

21
To
starting
motor

22
To
throttle
opener
solenoid
Except
FU
models

23
To
fuel
cut
solenoid
Except
FU
models

24
To
throttle
switch
FU
models

25
To
fuel
cut
solenoid
FU
models

26
To
auto
choke

27
To
VC
cut
solenoid
M
T
and
Calif
AfT
models

28
To
distributor

29
To
thermal
transmitter

30
To
body
harness

31
To
low
pressure
switcn
Air
Con
models

32
To
rear
window
washer
motor

33
To
FICO
solenoid
Air
Con
models

34
To
room
lamp
harness

35
To
cooling
unit
Air
C
on
models

36
To
heater
motor
37
To
engine
revolution
switch
FU
models

38
To
rear
wiper
switch

39
To
wiper
motor

40
To
brake
level
switch

41
To
belt
timer

42
To
horn
relay

43
To
stop
lamp
switch

44
To
kickdown
switch
AfT
model

45
To
hazard
flasher
unit

46
To
turn
signal
flasher
unit

47
To
ignition
switch

48
To
steering
lock

49
To
wiper
switch

50
To
turn
signal
and
hC
rn
switch

51
To
lighting
switch

5i
To
hazard
switch

53
To
belt
switch

54
To
door
switch
L
H

55
To
hand
brake
switch

56
To
automatic
transmission
control
indicator

AfT
models

57
To
instrument
harness

58
To
check
connector
I
0
i
a

z
Z
G
z

tIl
tIl
a
Z
Il
I
to

o
Co
m
16

n
n
OJ
1
3

REMOVAL
AND

INSTALLATION

For

lamp

Note

a
Disconnect

battery
ground
cable

before

starting
to

work

b
To

repJaoe
bull

push
ill
n
bulb

turn
it

counterclockwise
and
re

move
it

from
socket
Install
new

bulb
in
tbe
reverse
order
of

re

moval

9

Removing
bulb

Installing
bulb

BE259C

Fig
BE
9

Replacing
Bulb

c
To

repbce
wedge
base

type
bulb

puD
out
bulb
from
socket

To

inslaD

new
bulb

pusb
bulb
into

socket

Removing
bulb

Installing
bulb

Fig
BE
10
BE260C

R

eplac
ing
Wedge
BlUe

Type
Bulb
Body
Electrical

System

IGNITION
SWITCH

OFF

ICC
01

ST
I

0

0

61
1

ot

Steering
lock

5

I

OUT

I
Iso

16
6

I

T

BEll8D

Fig
BE
II

Ignition
Switch

COMBINATION

SWITCH
wires

at
connector

6

Loosen

retaining
screw
and
Ie

move
combination

switch

assembly

7

lnstaD
combination
switch
in
the

reverse
order
of
removal
REMOVAL
AND

INSTALLATION

I

Disconnect

battery
ground
cable

2

Remove
horn

ring

3

Remove

steering
wheel

4

Remove

steering
column
cover

5

Disconnect
combination
switch
INSPECTION

Test

continuity
through
switch

with
a

test

lamp
or

ohmmeter

TURN
SIGNAL
HORN
AND
LIGHTING
SWITCH

1
1
R

HORMI

119
0
I

12
I
6
I

136
I

II
0
I
III
I

F

c
I
c
I
c

15
0

QQOQ

16
6
56

I
5

11
0

II
000Q
10

9
000000

BE119D

Fig
BE
12
Combination
Switch

BE

l0

CHARGE
WARNING

SYSTEM

Refer

to
Section

EE

BRAKE
WARNING

SYSTEM

REPLACEMENT

Hand
brake

switch

I

Disconnect

battery

ground
cable

2
Remove

console
box
if

equipped

3
Disconnect

hand
brake

switch

lead
wire
at

connector

4
Remove

switch
from

switch

bracket

by
pulling
it

5
Install
new

switch
in
the
reverse

order
of
removal

BE

177C

Fig
BE
23
Hand
Brake
Switch

Brake
fluid
level
switch

Brake
fluid
level
switch
is
buiit

into
brake
master

cylinder

cap

The

cap
can
be

easily
removed

by

twisting
it
after

disconnecting
lead

wire
terminals
Then

replace
it

OIL
PRESSURE

WARNING

SYSTEM

REPLACEMENT

011

pressure
switch

To

replace
oil

pressure
switch
dis
Body
Electrical

System

WARNING

SYSTEM

connect
lead
wire

from
switch
termi

nal
and

unscrew
switch

Oil

pressureswltch

BE247

Fig
BE
24

Oil
Pres5ure
Switch

@

SEAT
BELT

WARNING

TIMER

8

SEAT
BELT
J

WARNING

LIGHT

REMOVAL
AND

INSTALLATION

Warning
buzzer

Disconnect

battery
ground
cable

2
Remove
instrument
lower
cover

and
cluster
lid
B

compartment

3
Disconnect

buzzer
wire

con

nector

4
Remove

screws

retaining
buzzer

assembly
and
then
take
out
buzzer

assembly

5

Installation
is
in

the
reverse
order

of
removal

BE15
SEAT
BELT

WARNING
SYSTEM

DESCRIPTION

This

system
consists
of
an

ignition

switch

a
timer
unit

a

warning
light
a

driver
s

seat
belt
switch

and
a

warning

buzzer
and
is

designed
to
remind
the

driver
to

buckle
his

seat
belt

When
the

ignition
switch
is

turned

to

the
ON

position
the

warning

light
comes
on
and
remains
on
for
4
to

8

seconds
At
the

same
time
the

warning
buzzer
sounds
for
4
to

8

seconds

intermittently
if
the

driver
s

seal
b
lt
is

not
fastened

properly
The

buzzer
is

also
used
as
a

theft

warning

buzzer
and
back

up
warning
buzzer

only
for
5

speed
manual
transmission

model

2

3

BUZZER
SEAT

BELT

SWITCH

l

BE1270

Fig
BE

25
Seat
Belt

Warning
System

11

BE128D

Fig
BE
26

Warning
Buzzer

Body
Electdcal

System

INSPECTION

Check
the

following
items

if
blower

motor
fails
to
rotate

FUSE

To

check
for
burned
out
fuse
use

the

same

procedure
as
that
for
ordina

ry
fuses

with
a
circuit
tester
or

test

lamp

BLOWER
MOTOR

POWER

SUPPLY

Disconnect
blower
motor
harness

to
connect
main
harness

2

Connect
one
test

lamp
lead
wire
i

I
Heater
case

as
mbly

2
Heater

cote

BE193C

Fig
BE
71
Heater
Unit

to

main

harness
for
blower

motor
and

the
other
to

ground

3

Turn

ignition
switch
to
ACC

position
test

lamp
should

go
on

BLOWER
MOTOR

1

Disconnect
blower

motor
harness

to
connect
fan

switch
and

connect
the

harness
to

ground

2
Turn

ignition
switch
to
ACC

position
Blower

motor
should
rotate

FAN
SWITCH

Test

continuity
through
fan
switch

with

a
test

lamp
or

ohmmeter

BE
2B
OFF

1
2
3

I

1
0

01

2

I

3
0

I

4

01

BE766C

Fig
BE

72
Fan
Switch

RESISTOR

TItere

should
exist

continuity
be

tween
terminals
of
resistors

althouBh

values
of
resistors

are
different

HEATER
RELAY

For

heavy
duty
type

I
There

should
be

continuity
be

tween
terminals

D
and

@
but

not

between

@
and

@

2
There
should
be

continuity
be

tween
terminals

@
and

@
when

supplying
OC
12
volt

across
terminals

D
and@

I

@

I

I

j

i

i

@

fc

4@

j

I
V

AC197A

Fig
BE
73
Heater

Relay

m
ii
I
ll
i
f
r
3
0
tl
i

a
iO

3
o
J
r
L

8
ffi

12V

BATTERY
I
STARTING
MOTOR
I

I

G

0
0
9

@@
@@
L
J
W
MAIN
RELAY

AIR
CONDITIONER

w
ALTERNATOR

SAND
B
TERMINALS

HEADLAMP

FUSE
BLOCK
I

WR
1
IGNITION
SWITCH

R
1

Note
@
i
W
Californta
models

Non
alifornt8
models
for
U
S
A

Non
CaliforOlB
FU
model

Canada
models
II
II
n
I
a
n
e
xI

ltZ
O
C

It
10
II
I
l

C
m
xl

0
l
OJ

3
0

n
CJ

II
m

al
CD

Z
0
2

a
t
CIl

xI

I
0
c
l

OJ
3

m

2
l
C
Z

o
CJ
m

CJ

m
i
J
Ol
dQ
I
ll
to
tl

i
Cl
a
aJ

toom

a
0
is
r

0
BATTERY
A
G
ffiJ
rr
l
M
WR

FUSIBLE
LINK

ENGINE
HARNESS
No
2

n
o
Ot
G
l
KG

u
o
Ot
RB
RB

9ACK
UP
LAMP

SWITCH
15
SPEEO
MIT
MOOELI

Bl
RB

LT
G

INHIBITOR
SWITCH
IAfT
MOOELl

GO
ION
S1

OnQQ

o
16
I

10
s
II

0
1

IGNITION
SWITCH
Q
BW
I

t
WA

FUSE
BLOCK

o
o

1
G

I
BL
BOOY

o
HARNESS
J

00
I

RB
oo
RB
RB

Q
l

0
9

1
I
R
I
rfRB
ac

00
0
o

9
B
INSTRUMENT

HARNESS
R
l
WAGON

o
n

oo
B

o
I

1

L
WARNING
BUZZER
r

REAR
COM91NATION

LAMP
IL
H
1
tJ
l

mO

gm
m
xl
REAR
COMBINATION

LAMP
IR
H
I

R
BACK
UP

LAMP

t1
CJ
l
xl
n
0
l
0
Z
15

z

BACK
UP

LAMP
I
C
lI
i
lI
OJ
0
Cl
m
CD
0
CIl
UI
CO
3

Fuel
level

gauge

Condition

Fuel
level

gauge
does

not

operate

Pointer

indicates

only

F
10

position

Fuel
level

gauge
does

not

operate
accurately
Body
Electrical

System

Probable
cause

Faulty
fuel

gauge
tank
unit

or
loose
unit

terminal
connection

pointer
deflects
when
fuel

gauge
tank
unit

yellow
wire

isgrounded

Faulty
fuel
level

gauge

Loose
connection

or

open
circuit

Faulty
fuel

gauge
tank
unit

Pointer

drops
below
E

0
mark
when

ignition
switch

is
turned
off

Faulty
fuellevel

gauge

pointer
still
indicates
F
10

position

when

ignition
switch
is

turned
off

Faulty
fuel

gauge
tank
unit

Faulty
fuel

level

gauge

Poor
or

loose
connection

Faulty

gauge
voltage
regulator

Gauge

pointer
fluctuates

excessively

Condition
Water

temperature
gauge

Probable
cause

Water

temperature

gauge
does
not

operate

Gauge
indicates

only

maximum

temperature

Water

temperature

gauge
does
not

operate

accurately
Faulty
therrruiJ
transmitter

or
loose
terminal

connection

When
yellow
white
wire

to
thermal
trans

mitter
is

grounded
gauge
pointer
fluctuates

Faulty
water

temperature

gauge

Open
circuit

Faulty
thermal
transmitter

Gauge

pointer
returns
to

original

position

when

ignition
switch
is
turned
off

Faulty
water

temperature
gauge

Gauge

pointer
indicates
maximum

tempera

ture
even

after

ignition
switch
is

turned
off

Faulty
water

temperature
gauge

Loose
or

poor
connection

BE
42
Corrective
action

Replace
fuel

gauge
tank
unit

or
correct

terminal
connection

Replace

Check

wiring
and
or

repair
connection

Replace

Replace

Replace

Replace
fuel
level

gauge

Correct
connector
terminal
contact

Replace
fuel
level

gauge

Main
or
water

temperature

gauge
Sub

Corrective
action

Replace
thermal
transmitter

or
correct
ter

minal
connection

Replace
water

temperature
gauge

Replace
thermal
transmitter

Replace
water

temperature
gauge

Replace
water

temperature
gauge

Correct
connector
terminal
contact