1979 DATSUN 210 Electrical

Body
Electrical

System

t

to

liP

1

ill

1
Center

V
t
fltilation
duct

2
Side
defroster
duct

3
Defroster

nozzle

4

Defroster
duct

5
Heater

unit
6

Heater
control

7
Water
cock

8
Water

inlet
hose

9
Water
outlet

hose

10
Air
con
duct

BEl38D

AIR

FLOW

VENTILATING
Fig
BE

57
Heater

Construction

I
Off

COlD

r
IUl

1
1
HUT

HOl
y

OIF
HEC
HEll

fll
OFl
l

2
3

J

Move
the
lever
to
the

desired
air
flow
i
To

center

Duwde
air

ventilator

J
U

V
D

ir
VENT

position

Move
the
lever

to
the

desired

temperature

BEl39D

Fig
BE

58

VentiIDting
Air
Flow

BE
24

Body
Electrical

System

VENTILATING
AND
HEATING
BI
LEVEL

BI

LEVEL

position

COl
OFF
VENT
B

l
HElT

HOT

Move
the
lever
to
the

desired

temperature

HEATING

HEAT

position

OFF
IINl

COlO
L
HElT

HOT

Move
the
lever
to

the

desired

temperature

DEFROSTING

OFF
VENT
L
HElT

HOT

J
COlf

Move
the
lever
to
the

desired

temperature

RECIRCULATING

OFF

COlOr
VENT
L
HEll

HOT

Move
the
lever

to
the

desired
temperature
RECHEIl

fIN
OfF
1
2
3
Olf

Move
the
lever

to
the

desired
air
flow

I
Olf
RECHll

FIN
OfF
1
2
3

Move
the
lever
to
the

desired
air
flow

OEF

position

Olf
RECHll

fIN
OFH
2
3

Move
the
lever

to
the

desired
air
flow

RECIRC

position

J

1
OEf
RECHEIl

fIN
PfF
I

3

J

Move
the
lever

to
the

desired
air
flow

BE
25
To
defroster
nozzle

ft
To
side

L
defroster

Outside
air

L
c

U

D

l

To
floor

BEl40D

Fig
BE
59

Ventilating
and

Heating
Air
Flow

To
defroster

nozzle

fr

Outside
air
c
t

Ul

B
yO

Toflaor

BE141D

Fig
BE

60

Heating
Air
Flow

To
defroster
nozzle

fr

Outside
air

Ul

@Jtc
Y
D

l

1

BE142D

Fig
BE
61

Defrosting
Air
Flow

To
defroster

nozzle

LJ

Iniideair
c

@

To
floor

BE143D

Fig
BE

62
Recirculating
Air
Flow

REMOVAL
AND

INSTALLATION

HEATER
CONTROL

SEMBLY

I
Disconnect

battery

ground
cable

2
Pull
off

control
lever

knobs

3
Remove

cllJs
r

lid
A

4
Remove
defroster
ducts

5
Disconnect

door
control
cables

and
rod
at
each
door
Body
Electrical

System

6

Disconnectharness
tonnec1or

7
Remove
heater
control

assembly

with

bracket
from
instrument

panel
by

loosening
attaching
screw

8
Install
heater
control

assembly
in

the
reverse
order
of
removal
After

installing
heater
oontrol

assembly
oon

trol
cables
and
rod

must
be

adjusted

by

referring
to

Adjusting
Heater
Con

trol

HEATER
UNIT

I
Disconnect

battery
ground
cable

2

Drain

engine
coolant

3
Remove

package
tray
with

brack

et
if

equipped

4
Remove
console
box
if

equipped

5
Remove

cluster
lid
A

6
Remove

heater
control

assembly

7
Remove

radio
receiver

8
On
air
conditioner

equipped

models

disconnect
cooler
ducts
at

heater
unit

side

9
Remove

center
ventilator
duct

10

Disconnect
blower

motor
har

ness
connector

II

Disconnect
inlet

of
wat
r
cock

and
outlet

of
heater
core
hoses

by

loosening
hose

clamps

12

Remove
heater
unit

after
re

moving
heater
unit

retaining
bolts
To

air

intake
door

BE19
C

Fig
BE
63
Heater
Control
Assembly

13

Install
heater
unit
in

the
reverse

order
or
removal

rf

o

t

a

1
BE190C

Fig
BE
64

Removing
Heater
Unit

BLOWER
MOTOR

I

Disconnect

battery
ground
cable

2
Disconnect
blower
motor
harness

connector

BE

26
3

Remove
blower
moto
after

rti

moving
blower
motor

retaining
screws

4

Install
blower

motor
in

the
re

verse
order
of
removal

RESISTOR

I

Disconnect

battery
ground
cable

2
Disconnect
harness
connector

3
Remove
resistor

by

pulling
it

Note
Resistor

can
be
removed

iIy

by
prying
from
above
and
below

with

a
fbt
blade
screwdriver
with

resmor

slightly
raised
from
heater

unit

4

Install
resistor
in
the

reverse

order
of
removal

1
Remtor

2
Blower

3
BlOWer
motor

BE244D

Fig
BE
65

Removing
Blower
Motor

and
Resistor

WATER
COCK

I

Remove
heater
unit

2
Remove
water
cock

attaching

screw

3

Disconnect
hoses

by
loosening

hose

clamps

4
Install
water
cock
in

the
reverse

order
of
removal

IJi

Ir
c

r

I

BE192C

Fig
BE
66

Removing
Water
Cock

ADJUSTING
HEATER

CONTROL

AIR
MIX
DOOR

I

Set
TEMP
lever
at
maximum

HOT

position

2

Push
air
mix

door
lever
in

direc

tion
of

arrow
and

press

temperature

control
cable
outer
case
in
direction
of

TEMP
lever
While

doing
so
secure

outer
case
with

clip

BE252C

Fig
BE
67

Adjusting
Air
Mix
Door

Note
Make
sure
that
water
cock
is

fully
closed
when
TEMP
lever
is
in

maxilnum
COLD

position
Body
Electrical

System

VENTILATION
DOOR

I
Set
AIR

lever
at

RECIRC

posi

tion

2
Push
ventilation
door

relay
lever

in

direction
of
arrow

to
shut
out
air

flow
to
center
outlet
and

press
venti

lation
door
control
rod
into
relay
lever

clamp

BE253C

Fig
BE
68

Adjusting
Ventilation

Door

Note
Make
sure
that

ventilation
door

is

fully

open
when
AIR

lever
is
in

VENT

position

AIR
INTAKE
DOOR

Set
AIR
lever
at

OFF

position

2
Push
air
intake
door

lever
in

direction
of
arrow
to
shut

out
outside

air
flow
and

press
air
intake
door

control
cable
outer
case
in
direction
of

AIR
lever

While

doing
so
secure
outer

case
with

clip

BE255C

Fig
BE
69

Adjusting
Air
Intake

Door

BE

27
Note
Make

sure
that
air
intake

door

is

fully
open
outside
air
can

flow

into

air
intake
case
when
AIR
lever

is
in
VENT

position

FLOOR
DOOR

Set
AIR
lever
at

OFF

position

2

Push
floor
door
lever
in
direction

of

arrow
to
shut
out
air
flow

to
floor

and
defroster
and

press
floor
door

control
cable
outer
case
in
direction
of

AIR

lever
While

doing
so
secure
outer

case
with

clip

BE256C

Fig
BE
70

Adjusting
Floor
Door

Note
Make

sure
that
floor
door
is

fully

open
air
flows

to
floor
and

defroster
when
AIR
lever
is
in

HEAT

position

DISASSEMBLY
AND

ASSEMBLY
OF

HEATER
UNIT

Remove

heater
uni
t

2
Disconnect
heater
core
inlet
and

outlet
hoses

by

loosening
hose

clamps

3
Remove

clips
securing
front
and

rear
heater
cases
and

separate
them

4

Take
out
heater
core

5
Assemble
heater
unit
in
the

re

verse
order
of
removal

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

Body
Electrical

System

Turn

signsl
snd
hszsrd

wsrnlng
Ismp

Condition

Turn

signals
do
not

operate

Hazard

warning

lamps
oper
te

Haza
d

warning

lamps
do
not

operate

Turn

signals

operate

No
flasher
click
is

heard

Flashing
cycle
is
too

slow

Pilot
lamp
does

not

go
out
or
too

fast

Flashing

cycle
is

irregular

Stop
Ismp

Condition

Neither
left
nor

right

lamp
lights

Lamp
on
only
one
side

lights
Probable
cause

Burnt

fuse

Loose
connection
or

open
circuit

Faulty
flasher
unit

Faulty
turn

signal
switch

Faulty
hazard
switch

Turn

signals
operate
when

CD
and

i

terminals
of

harness
connector
to
hazard

switch

are
connected
with
test
lead

including

l5A
fuse

Burnt

fuse

Faulty
hazard

warning
flasher
unit

Faulty
hazard
switch

Left

Right
side

lamps

operate
when

@

and

@
@
and

@
terminals
of
harness

connector
to

hazard
switch
are
connected

with
test
lead

including
l5A

fuse

Burnt
bulb

Loose
connection

Bulb
other
than

specified
wattage
being

used

Burnt
bulbs

Loose
connection

Faulty
flasher
unit

Burnt

bulb

Loose

coimection

Bulbs

other
than

specified
wattage

being

used

Probable
cause

Burnt

fuse

Faulty
stop
switch

Loose
connection

or

open
circuit

Burnt
bulb

Loose
bulb

Loose
connection

or

open
circuit

BE
39
Corrective
action

Correct

cause
and

replace

Check

wiring
and
or

repair
connection

Replace

Conduct

continuity
test
and

replace
if
neces

sary

Re

place
if

necessary

Correct
cause
and

replace

Replace

Replace
if

necessary

Replace

Reconnect

firmly

Replace
with
one

specified

Replace

Repair

Replace

Replace

Repair

Replace
with
one

specified

Corrective

action

Correct
cause
and

replace

Conduct

continuity
test
and

replace
if
neces

sary

Check

wiring
and
or

repair
connection

Replace

Repair
lamp
socket

Check

wiring
nd
or

repair
connection

Body
Electrical
System

METERS
AND
GAUGES

FUEL
LEVEL
AND
WATER
TEMPERATURE
GAUGE

riiOOOOIIO
OO
OI

J
II

I

0

riJn

C
J

1
1

ffi

QM

fD

01
II
z

z

J

W

u
Q

lb

en

en

w

Z

0

J

o

o
wg

l

JC

Ow

0
0

w

w

z

o

z

o

0
6

Pp

J

1
t6

0
0

0
co

2
Q
I

z

w

E

w

C1
CD

0
Z

L
I
L

0

I

c

J

1
0

fggglr
gg

i

J

MAIN
HARNESS

T
I

0

0

w

c
r

t

f
Tf
i1
en

Z

0
J

f

l
J

J

0
0
0

0

010
01

w

Q
Z

J
u
0

lC
a

to

IE
a
Z

S

I
t
0
L
L

wC1
1CJ

w

cct
0

3
CJ
LLO

f

I
I

CD

1

I

O
Z
Q

1

J

J

o

J

W

en

u

m

BE150D

Fig
BE
83

Wiring
Diagram
for
Fu
l
Leuel
and
Water

Temperature
Gauge

BE
41

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