ignition DATSUN 210 1979 Repair Manual

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

cIo

CD
m
t
tl
3

Cl
4
Ii
ii
C
l
I
i

I
ll
g
toom
a

ll
CALIFORNIA
ANO

BATTERY
FU
MOOELS

R
G
ff
w

G
M
wr

N
Q
WR

ALTERNATOR
ANO
IC
NON
cALIFOR
IA

VOLTAGE
REGULATOR
ANO
CANAOA
MO
S
I

fh
WR

B
i
W

i
C
@
J
W

l
9
i
j
@
Q
B

LB
OIL
PRESSURE

SWITCH

0
I
I
l
lOCI
OfflACC
OH
SI
Ys
j

D
01
mQ
IS
i

I
l

I
s
II

10
J
J

SWITCH

IGNITION
iji
BY

wr

1
I
1

IW

BRAKE
FLUIO
LEVEL
SWITCH
Ot
o
BJ

JO
0
Y
l

I
AUTO
cHOKE
RELAY

V
I

r
I

MAIN
HARNESS

FUSE
BLOCK

0
0
lOA

cr
L

lOA

cr
G

1
r
L
BL
HANO
BRAKE

SWITCH

G
J
i

INSTRUMENT
HARN
ESS

fG
YG

10
OMB
N
AT
qN
ETER

o
BRAKE

0
WARNING
LAMP

100
G
O

00
3

YB
f

G

WR
J
I
0

1
Fo
o

e
i

1
z

YB
OIL
PRESSURE

WARNING
LAMP
J

lI
a

Ill
z

11
1
III
Z
G

Ill
11
1
Ut
0

iUt
Ill
alii
11
1
I

a
i
l
i
Ill
Z
i
a
X
OJ

o
Cl
m
CD
o
CIl
l
3

m
l
U1
ii
I
ll
cio

i
t
s

a
Cl
t
m

l
e
BATTERY

8
GtG
ug
ew

FUSIBLE
LINK

BELT
TIMER
I
i
DD
l
J
G

if

I
lOCI
OffIACCI
aNI
Sf

I
0
0
8
i
i

16

I
S

IGNITION
SWITCH
FUSE
BLOCK

B
0
lOA
G

L
BL
ORIVER
S

BELT
SWITCH

tl
WARNING
LAMP

iP
aB
ij
II

VB
L
I
81

WB
I

t
OI

00
00
0
0
B

B
B
B
feB
WARNING
BUZZER
III

e
IIll
a
I

III
Z
i
C
OJ

o
Cl

m
CD
n
o

Q
CIl
en
l
3

Body
Electrical

Sy
tem

Oil

pr
re
charg
and
brake

warillng

Condition

Lamp
does
not

glow

when

ignition
switch

is

turned
ON
with

out

running
engine

Door
and

charge

warning
lamps
do
not

go
out
when

engine
is

started

Charge
waming
amp

Lamp
does
not

go
out

when

engine
is
started

Oil

pressure
warning

lamp

Lamp
does
not

light

when

ignition
switch

is

set
to

ON

Lamp
does
not

go
out

while

engine
is

being

operated

Brake

warning
lamp

Lamp
does
not

go
out

Door

warning
lamp

Lamp
does
not

glow

with
door

opened
and

engine
running
Probable
cause

Burnt
bulb
or

loo
ebulb

Loose
or

poor
connection

Faully
bulb
check

relay
or
alternator

Faully
charging
system

Faully
oil

pressure
switch

or
loose

switch

terminal
connection

When
lead
wire
connected
to

switch
is

grounded
warning
lamp
lights

Lack
of

engine
oil

Oil

pressure
too
low

Faully
oil

pressure
switch

Faulty
hand
brake

switch

When
hand
brake

lever
is

released

Faully
brake

fluid
level
switch

When
brake

fluid
level
is
normal

Faully
door

switch

BE
46
Corrective
action

Replace
bulb
or
correct

Correct

connector
terminal

contacts

Correct

adjust
or

replace

Inspect
charging
system

Replace
or

correct
connection

Check
oil
level
and
add
oil

as

required

Inspect
engine
oil

pressure
system

Replace

Replace

Replace

Replace

Seat
belt

warning

Condition

Seat
belt

Neither
buzzer

sounds

nor

warning

lamp
glows

when

ignition
switch
is

turned

to
ON

posi

tion

Lamp
should

glow

for
4
to

8
seconds

Buzzer

should
sound

for
4

to
8
seconds

without

fastening
seat

belt

Either
buzzer

or

warning
lamp
does

not

operate
when

ignition
switch
is

turned
to
ON

posi

tion
Body
Electrical

System

Probable

cause

Loose
connection
or

open
circuit

Faulty
timer
unit

Burnt
bulb

Loose
connection
or

open
circuit

Faulty
seat
belt
switch

Faulty
buzzer

BE
47
Corrective
action

Correct
connector
terminal
contacts

Replace

Replace

Correct

connector
terminal
contacts

Repair
or

replace

Replace

m
J
Co
5

oil
tl
Cl
s

5
Q
0
0
WAS
ER
MOTOR

t
l
I

o
BATTERY
A
G

ll
J
wr

FUSIB
E
LINK

Off
UN
HI
WASH
11
J
BY

9
n
13
4d
1

o
14
J
I

Q
I
16
m
LW

2
0
u
J

WIPER
ANO
WASHER
SWITCH

I
lGCK
OfF
ACe
OM
Sf
2

0
OnOOB
m
iL

IG
i

I
0
S

00
A
II
WR
LB

IGNITION
SWITCH

Off
ON
WASHV
iW

REAR
WIPER
0
0
11
l
R

SWITCH
I
0
Q
I
2
I
B

HATCHBACK
0
I
I
3

o
II
LR
n
I
I

III
I
I

1

I
1
iI
Y

WIPER
MOTOR
LR
ti

BY
B
R
r
REAR
WASHER
MOTOR

IHATCHBACK
ANO

i
WAGON
Em
I

m

IIIn
zoot
a

11
1
I
a
E

lI
11
1
a
n

Jon
ZII
aen
i
III
a

io
OJ

a
It
8

0
It
m
l
l

In
l
CIl
l
3

HATCHBACK

LR

BOOYHARNESS

z
I
L
I
OO

B
iOl
c
TO
REAR

OEFOGGER

I

LR

rLB
1
I

3
0
i
BW
R

LRh

ftn
WAGON

0
0

r
o
REAR
WIPER

MOTOR

CRWl
T1

c
l
Rlif
1
I

mC
BilW
lJ
I

g
LR
Jj

i
1

FUSE
BLOCK

m
ii
lil
cIo
00
tl

i
3

Cl
0
m

0
g
fB
Jo
0
0

Ef1
CALIFORNIA
ANO

FU
MOOELS
t
f

G
W

g
dG
I
WR

FUSIBLE
LINK

8
G
uQ
t
WR

NON
cALIFORNIA

AND
CANAOA
MOOELS
J

TORQUE
CONVERTER
C
ao
GY

INOICATOR
LAMP
5
l
1
00
GW

I

BATTERY
CCOHST7
i

lOCK
Off
A
B

OO
C
I

ti
II

v
u
1

WITCH

IGNITION
S

2ND

Oil
lS1
B
C

C
AI8
C
I
5

A
8
I
QIQ
Q
Q
J1

0
0
I
0
6
B

6
0
7

Q
QIQIQ
8

0
0
0
9

O
I

LIGHTING
SWITCH
Z
1
D
Z
m
en

WR
LB

1lRG
GW
INSTRUMENT

HARNESS

j
lO

GW
I
oGW

GY
00
GY

LW
LW

I@o
00
og

B
0

u
B
LW

LB
I

I

0
0

J8

RG
w
1
0

r
O

FUSE
BLOCK
LW
ClO
LW

W
t

WB
1

r
GY

GW
RAOIO

ffi
i

n
In
U
L
J
UJ
J
U

WB
O

W
SPEAKER
OJ

o
Cl
m
CD
C
e
CIl
en
3