ignition DATSUN PICK-UP 1977 Manual PDF

HAND
BRAKE

WARNING
LAMP

DESCRIPTION

The
hand

brake

warning
lamp
glows

when
the
hand
brake
is

applied

When
the

ignition
switch
is

set
to

ON
current
flows
from
the

ignition

switch

to
the

warning
lamp
When
the

hand
brake
is

applied
hand
brake

warning
switch
is
closed
and

warning

lamp
glows

Fuse

M

Ignition
5
tch

Fusible
link

From

battery
I

YG

1
1

Hand
brake
sWitch

BE314

Fig
BE
28

Circuit

of
hand
broke

warning

Iystem
Body
Electrical

System

HAND
BRAKE

SWITCH

To

remove
hand
brake

switch
dis

connect

lead
wire

pull
switch

out
of

hand
brake

control
bracket

and
with

draw
switch

and

wiring

assembly
METER

ILLUMINATION

INDICATOR
AND

WARNING

BULBS

REMOVAL
AND

INSTALLATION

To

replace
bulb
turn

bulb
socket

counterclockwise
to
dismount
it

from

combination
meter
if

necessary
dis

connect
lead
wire

connector
from

printed
circuit

and
remove
bulb
from

socket

BULB

SPECIFICATIONS

Item

Meter
illumination

lamp

Turn

signal
indicator

lamp

High
beam

indicator

lamp

Oil

pressure
warning

lamp

Charge
warning

lamp

Hand
brake

warning

lamp

Clock

illumination

lamp
SAE
Trade

Bulb
No
Wattage

Candle

power

W

e

161

161

161

161

161

158

158
1
7

I
x3

1
7

I

1
7
I

I
7
I

1
7

I

3
4
2

3
4
2

TROUB

E
DIAGNOSES
AND

CORRECTIONS

SPEEDOMETER

Condition

Speedometer
pointer

and

odometer
do
not

operate

Unstable

speedometer

pointer

Unusual
sound

occurs

in

response
to

in

crease
in

driving
speed
Probable
cause

Loose

speedometer
cable
union
nut

Broken

speedometer
cable

Damaged
speedometer
drive

pinion
gear

Transmission
side

Inoperative

speedometer

Improperly
tightened
or
loose

speedometer

cable

union
nut

Faulty
speedometer
cable

Inoperative
speedometer

ExceS

jvelybent
or
twisted

speedOmeter

cable
inner

wire

or
lack

of
lubrication

Inoperative
speedometer

8El8
Coirective
action

Retighten

Replace

Replace

Replace

Retighten

Replace

Replace

Replace
or
lubricate

Replace

Condition

Inaccurate

speedometer

indication

Inaccurate
odometer

operation
Body
Electrical

System

Probable
cause

Inoperative
speedometer

Improperly
meshed
second
and
third

gear

worn

gears

Faulty
feeding
due
to
deformed
odometer

and

pinion
carrier

WATER
TEMPERATURE
AND
FUEL
GAUGES

Condition

Both
water

temperature

gauge
and

fuel

gauge

do
not

operate

Both
water

temperature

gauge
and
fuel

gauge

indicate

inaccurately

Water

temperature

gauge

Water

temperature

gauge
does

not

operate

Gauge
indicates

only

maximum

temperature

Water

temperature

gauge
does
not

operate
accurately
Probable
cause

Burnt

fuse

Inoperative
gauge
voltage
regulator

Inoperative
gauge
voltage
regulator
Gauge

pointer
fluctuates
excessively

Loose
of

poor
connection

Gauge
pointer

fluctuates
slightly

Correct
conn

Faulty
thermal
transmitter
or
loose
terminal

connection

When
thermal
transmitter

yellow
white

wire
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

Faulty
thermal
transmitter

Loose
or

poor
connection

BE
19
Corrective
action

Replace

Replace
speedometer

Replace
speedometer

Corrective
action

Correct

cause
and

replace
fuse

Replace
water

temperature

gauge

Replace
water

temperature
gauge

Correct
connector
contact

Replace
thermal
transmitter
or
correct

terminal
connection

Replace
wtater

temperature
gauge

Replace
thermal
transmitter

Replace
water

temperature
gauge

Connect
a
usn
resistance
between

ther

mal
transmitter

yellow
white
wire
and

ground
When

gauge
indicates

approximately

500C

i220F
gauge
is
serviceable

Correct

gauge
terminal
contact

Condition

Fuel

gauge

Fuel

gauge
does
not

operate

Pointer
indicates
only

F

position
Body
Electrical

System

Probable
cause

Faulty
tank
unit
or
loose
unit

terminal

connection

pointer
indicates
a
half
level
when
a
35U

resistance
is
connected
between
tank
unit

yellow
wire

and

ground

Faulty
fuel

gauge

Poor

or
loose
cormection

Open
circuit

Faulty
tank
unit

pointer
lowers
below
E

mark
when

igni

tion
switch
Is
turned

off

Faulty
fuel

gauge

pointer
still
indicates
F

position
when

ignition
switch
is
turned
off

OIL
P

RESSURE
AND
CHARGE
WARNING
LAMPS

Condition

Oil

pressure
wamiug

lamp

Lamp
does
not

light

when

ignition
switch
is

set
to
ON

Lamp
does
not

go
out

while

engine
is

being

operated

OIarge
warning
lamp

Lamp
does
not

light

when

ignition
switch
is

set

to
ON

Lamp
does
not

go
out

when

engine
is
started
Probable
cause

Inoperative
oil

pressure
switch
or
loose

switch
terminal
connection

When
switch

yellow
black
wire
is

grounded

warning
lamp
lights

Burnt
bulb
or
loose
bulb

Open
circuit

Lack
of

engine
oil

Oil

pressure
too
low

Inoperative
oil

pressure
switch

Burnt
bulb
or
loose
bulb

Warning
lamp
does
not

light
when

voltage

regulator
white
red
wire
is

grounded

Open
circuit

Faulty

charging
system

BE
20
Corrective
action

Replace
tank
unit
or
correct
terminal

con

nection

Replace
fuel

gauge

Conect
connector
terminal

contact

Replace
tank
unit

Replace
fuel

gauge

Corrective
action

Replace
switch
OJ
correct
terminal
connee

tion

Replace
bulb
or
correct
bulb
socket

Check
oil
level
and
add
oil
as

required

Inspect
engine
oil

pressure
system

Replace
oil

pressure
switch

Replace
bulb

or
correct
bulb
socket

Inspect
charging
system

Body
Electrical

System

ELECTRICAL
ACCESSORIES

CONTENTS

HORN

DESCRIPTION

REMOVAL
AND
INSTALLATION

IGNITION
SWITCH

REMOVAL
AND
INSTALLATION

INSPECTION

WINDSHIELD
WIPER
AND
WASHER

REMOVAL
AND
INSTALLATION

INSPECTION

RADIO

REMOVAL
AND
INSTALLATION

ADJUSTMENT

CLOCK

REMOVAL

I
NST
ALLA
TION

HEATER

DESCRIPTION

AIRFLOW

HEATER
UNIT
ASSEMBLY
BE
21

BE
21

BE
21

8E
n

BE
22

BE
22

BE
23

BE
23

BE
23

BE
25

BE
25

BE
25

BE
25

BE
25

BE
26

BE
26

BE
26

BE
28

BE
29

HORN

DESCRIPTION

The

horn
circuit
includes

a
horn

relay
Current
from
the

battery
flows

through
the
fusible
link
and
fuse
to

the
horn

relay
terminal
B

where
it
is

shunted

by
the
two
circuits
In
one

circuit
terminal
S
the
current
flow
is

supplied
through
the
solenoid
and

Fusible
link

Qi
att
Fu

H

I
HIBQ

t
J

JJI

L
J

Hornrelay

Qm
HEATER
CORE

FAN

MOTOR

CONTROL
ASSEMBLY

ADJUSTMENT

SPECIFICATIONS

TACHOMETER

REPLACEMENT

8UL8
REPLACEMENT

SEAT
8ELT
WARNING

SYSTEM

DESCRIPTION

REMOVAL
AND
INSTALLATION

WARNING
LAMP
BULB
REPLACEMENT

INSPECTION

TROUBLE
DIAGNOSES
AND

CORRECTIONS

HORN

WINDSHIELD
WIPER
AND
WASHER

RADIO

Horn
button

BE859A

Fig
BE

29
Circuit

diagram
of
horn

sy
tem
horn
button

to
the

ground
In

the

other
circuit
terminal
H
the
current

flow
is

supplied
through
the

relay

contacts
and
horn

Horn
bracket

serves
as
a

grounding

When
the
horn
button
is

pressed

current
from
the

battery
energizes
the

solenoid
As
the
solenoid
is

energized

the

relay
contacts
are
closed
This

allows
the
current
to
flow
to
the
horn

BE
21
REMOVAL
AND

INSTALLATION

Horn
8E
29

BE
29

BE
29

8E
29

BE
30

BE
30

BE
30

8E
30

8E
31

BE
31

BE
31

8E
31

8E
31

BE
33

8E
33

8E

34

BE
35

I

Disconnect

battery
ground
cable

2
Disconnect
horn
wire
at
terminal

on
horn

body

3
Remove
horn

retaining
bolt

4
Install
horn
in
the
reverse
se

quence
of
removal

Horn

relay

The
horn

relay
is
installed
on
the

hoodIedge
on
the

right
side
of
the

engine
compartment

I
Disconnect

battery
ground
cable

2
Disconnect
horn
relay
wire
con

nector
at
terminals
on
horn
relay

3
Remove

retaining
screws

4
Install
horn

relay
in
the
reverse

sequence
of
removal

Body
Electrical

System

Horn
switch

The
horn
switch
is

integral
with

the

turn

signal
and
dimmer
switch
as

sembly
Remove
switch

assembly
as

outlined
in
Turn

Signal
and
Dimmer

Switch

IGNITION
SWITCH
BE861A

Fig
BE

3
I

Removing
ignition
switch

REMOVAL
AND

INSTALLATION

I
Disconnect

battery
ground
cable

from

battery

2
Unscrew
and
remove
escutcheon

from
the
front
of

ignition
switch

3
Withdraw

ignition
switch
and

wiring
assembly
with

spacer
from

shell
cover
as
shown
in

Figure
BE
3

4

Disconnect
wiring
connector

from
the
back
of

ignition
switch

5

Replace
ignition
switch
with
a

new
one

6
Connect

ignition
switch
to

wiring

connector

7

Position

ignition
switch
to
shell

cover

opening
install
and

tighten

escutcheon
and
secure
ignition
switch

to
shell
cover
R
terminal

1G
terminal

ST
terminal

B
terminal

8E

22
1

Voltage

regulator

2
Horn

relay

3

Headlamp
relay

4

Ignition
relay
California

only

5

Auto
choke
heater

relay

6

Compressor
relay

Au
conditioner

equipped
model

7

Floor
sensor

relay
California

only

8
Inhibitor

relay
Automatic

tran5mission

only

INSPECTION
BE683B

Fig
BE
30

ContInuity
test

Test

continuity

through
ignition

switch

by
using
test

lamp
or
ohm

meter

C

A
terminal
TERMINAL
0

F

F

B

IG

ST

A

R
KEY

FOSITlON

t

1

o

j
u

u

I

I
A

C

C

Fig
BE

32

Ignition
witch
BE6848

Body
Electrical

System

tive
terminal
or
B

terminal
and
blue

red
wire
terminal
in

wiring
connector

plug

3
To
check

wiper
low

speed
opera

tion
connect
L
terminal
to

ground

with

ground
cable
or
connect
L
termi

nal
to
black
wire
terminal
make
sure

that

wipers
sweep
at
low

speed

4
To
check

wiper

high
speed
opera

tion
connect

ground
cable
to
H
termi

nal
in
the

same
manner
as
in

step
3

make
sure
that

wipers

sweep
fast

5

During
low

speed
operation
con

nect
E
terminal
to

ground
and

conl
ect

P
and
L
terminals
with
lead
wire

as

shown
in

Figure
BE

38
At
this
time

make
sure
that
auto

stop
mechanism

actuates
to

stop
wiper
blade
at
the

specified
position

6

Wiper
is
in

good
condition
if

above
tests
are
made
as

indicated
H
tenninal
Blue
white

o

@

C

BE864A

Fig
BE

38

Wipftrmotor

rt
Cl

Battery
Fusible
link

e
Ignition
witch
Wiper
and
washer

switch

I

D
j
Fuse

box

Y
O
Continuity
test

Remove

wiper
switch
from
vehicle

as
outlined
in

Wiper
Switch

Test

continuity
through
wiper

switch

by

using
test

lamp
or
ohm

meter
WQ5hcr
motor

Wiper
motor

191
LR

y

I
L

I
w

J
Wiper
switch

B

terminal

P
tenninal

L
terminal

E
terminal

H
t
rmjrW

r
21
1

b
I

r
1

I

I

BE865A

Fig
BE

39
Circuit

diagram
of
windshield

wiper
wtUher

sy
te7tl

TERMINAL
I
SlOIT01

POSIl10N

I

I
OFF

2

1
1
2

I

b

ii
4

5

Switch

position

2

I

Z

m
Z
I
I

I
I
I

I
I
10
I
3
2

BE686B

Fig
BE
40
Wi
r

witch

8E

24

TEMP
lever

1

Move
TEMP
lever
to
the

OFF

position

2
Connect
control
cable
to
the
lever

of
water
ock
when

water
cock
lever
is

pulled
forward

fully
closed

3
Install
control
cable
on
water

cock
bracket
with
cable

retaining
clip

SPECIFICATIONS

Item

FAN
MOTOR

Rated

power
consumption

Revolution

rpm

Fan
dia
mm
in

TACHOMETER

The
tachometer
is

optional
on

model
HL620
It
is
an

integral
part
of

the

ignition
system
It
counts
the

pulses
entering
the

ignition
coil
and

indicates
the

number
of

engine
revolu

tions

REPLACEMENT

I

Remove

battery
ground
cable

2

Remve
cluster
lid

following

instructions
iri

steps
I
to
4
of
Removal

in

Combination
Meter
Body
Electrical

System

BE872A

Fig
BE

52
Water
cock

General
use
Extremely
cold

weather

use
2
RG
The
red

with

green

stripe
lead

wire

must
be

connected
to

flat

plate
terminal
at
back
of

combination
meter

3
B

The
black
lead

wire
must
be

connected

to
T

shaped
ter

minal
at
back
of

combination

meter

4

YR

The

yellow
with

red

stripe

lead
wire
must

be
connected

to

pole
terminal
at
back
of

combination
meter

6
Pass

tachllmeter
wires

through

grommet
on
hood
lock
control
wire

and
connect
to

negative
terminal
of

ignition
coil

Notes

a

Fix

grommet
with
an
adhesive

tape

or
a

sealing
compound
to

prevent

water

leakage

b
Attach
tachometer
wires
to
hood

lock

control
wire
with
an
adhesive

tape

BULB
REPLACEMENT

I
Remove
tachometer
as

previously

described

2

Twist
illumination
bulh
socket
at

back
of
tachometer
Bulb
with
socket

can
then
be

easily
removed

3

Remove
bulb

4

Install
new
bulb
in

reverse
se

quence
of
removal

Bulb

wattage

Tachometer
illumination

lamp
3
4W
12V

less
than
36W

3

600

110
433
12V

less
than
SSW

2

SOO

110
4
33

3
Disconnect

four
tachometer
lead

wire
connectors

They
are
connected

to

combination
meter
and
tachometer

cable

4

Remove
three

screws
and
then

remove
tachometer
from

cluster
lid

5

Install
in
reverse

sequence
of
re

moval
When

connecting
lead
wire

note

the

following

1
BW
The
black
with
white

striped

lead
wire

must
be
connected

to

identically
colored
ta

chometer

cable

coming
from

engine

compartment

BE

30
BE965

Fig
BE
53

Tachometer

SEAT
BELT

WARNING
SYSTEM

DESCRIPTION

Except
Canada

When

the

ignition
switch
is
turned

to
the
ON

position
the

warning

lamp
comes
on

and
remains
on
for
4

to
8

seconds
The

warning
buzzer

sounds
for
4

to
8
seconds
intermittent

ly
if
the
driver
s
seat
belt
is

not

fastened

properly

The
seat
belt

warning
system
con

sists
of
a
driver
s
belt
switch
a

warning

buzzer
a

warning
lamp
a
timer
unit

and
an

ignition
switch

For
Canada

When
the

ignition
switch
is
turned
Body
Electrical

System

to
the

ON

position
the

warning

lamp
comes
on
and
the

warning
buz

zer
sounds
if
the
driver

s
seat
belt
is

not

fastened

properly

The
seat
belt

warning
system
con

sists
of

a
driver
s

belt
switch

a

warning

buzzer

a

warning
lamp
and
an

igni

tion
switch

REMOVAL
AND

INSTALLATION

Ignition
switch

Refer
to

page
BE
22

for
Removal

and
Installation

Timer
unit

Timer
unit
is
fIXed

on
a
reinforce

ment
behind

glove
box

BE688B

I
Disconnect

battery
ground
cable

2
Remove

glove
box

3
Disconnect
timer
unit

connector

4
Remove
two
screws

retaining

timer
unit
on
reinforcement
Timer

unit
can
then
be
taken

out

S

Installation
is
in
the
reverse
se

quence
of
removal

Warning
buzzer

Warning
buzzer
is
fIxed

on
a
re

inforcement
behind

glove
box

Refer
to
the

preceding
timer
unit

for
Removal
and
Installation
BE282B

Fig
BE
54
Timer
unit

BE967A

Fig
BE
55
Warning
buzzer

Driver
s
seat
belt
switch

I
Remove
seat
belt

ecuring
bolt

2
Disconnect
belt
switch
lead
wire

at
connector

3

Seat
belt
can
then
be
taken
out

4

Installation
is
in
the

reverse
se

quence
ofremoval

BE
31
Warning
lamp
body

Warning

lamp
is

located
on
instru

ment

panel

I
Remove

cluster
lid

2
Disconnect

lead
wire

at
connee

tor

3
Remove

two
screws

retaining

lamp
body

4

Installation
is
in
the

reverse
se

quence
of
removal

WARNING
LAMP
BULB

REPLACEMENT

I
Remove
cluster

lid

2
Twist

warning
lamp
socket

Socket
with
bulb

can
then
be
taken

out

3

Pick

up
bulb

from
socket

4
Install
new
bulb
in
the
reverse

sequence
of
removal

Bulb

wattage

Seat
belt

warning
lamp
I
7W

INSPECTION

Warning
buzzer

Apply
12V

direct
current
between

CD
and

@
and
check
whether
buzzer

sounds
or
not

The
buzzer

must
sound
when

CD

and

@
are
connected
to

power

circuit
See

Figure
BE
55
for

warning

buzzer

Note
Make

sure
that

negative

terminal
of

power
circuit
is

always

connected

to

@
terminal

Timer
unit

Turn

ignition
key
to
the

ON

position
The

voltage
between

@
and

ground
must
be
12V
for
4

to
8

seconds
and
then

go
out
See

Figures

BE
54
and
BE
56

Belt
switch

Test

continuity
between
two
lead

wires
from
seat
belt
switch
with
ohm

meter
or
test

lamp

Body
Electrical

System

Circuit

diagram
of
seat
belt

warning
system

Non
California

modela

except
for
Canada

f
FUSIBLE
LINK

p

c

o

BATTERY

California
modela

f

Canada
modela

o

f
FUSIBLE
LINK

F
9

BATTERY

FUSIBLE
LINK

aP

c

BATTERY
IGNITION
SWITCH
FUSE

lOA

@

@I
TIMER

UNIT
I@

I

WARNING
fS

LAMP

l
2

IGNITION

RELAY

FUSE

1
lC
1
lOA

IGNITION
SWITCH

N

IGN
ITION
SWITCH
FUSE

lOA

BE
32
DRIVER
S

BELT
SWITCH

9

ORIVE
R
S

BELT
SWITCH

9

WARNING
r
i

LAMP

I
2
J

DRIVER
S

BELT

SWITCH

9

WARNING

fS

LAMP

I
2
J

Cf
BUZZER

BUZZER

BUZZER

BE689B

Fig
BE
56
Circuit

diagram
of
seat
belt

warning

system

Body
Electrical

System

RADIO

Noise

prevention

Position
vehicle
in
an

open
area

away
from
steel

buildings
run

engine
extend
antenna
to
its
maximum

length
set
volume

control

to
maximum
and
set
dial
at
a
medium

point
without

catching
broadcasting
wave

Condition

Ignition

system

Noise
occurs
when

engine
is

op

erated

Charging
system

Sound
of

alternating
current

pre

sents

When

accelerator

pedal
is

depressed

or

released
noise

presents

Supplement
equipment

When

engine
starts
noise

presents

Noise

still

presents
even
after

stop

ping
engine

Notes

a
Be
sure
to
locate

capacitor
as

close

as
to

noise
source
and
connect
in

parallel
Probable
cause
Corrective
action

High
tension
wire

Install
new

high
tension
wire

Ignition
coil
Install
a
0

51lF

capacitor
to

primary
side

terminal
of

ignition
coil

Note
Be

careful
not
to
install

capacitor
to

secondary
or

primary
breaker
side
other

wise

engine
becomes

improper

Install
bond

strap

Distributor
Secure
contact
of
carbon
electric

pole
and

rotor

Eliminate

sharp
tip
on

rotor

pole
or

cap
pole

by

scrubbing
with
a

screwdriver

Check

stagger
between
rotor

and
stator

Alternator
Install
a
0

51lF
capacitor
to

charging
termi

nalA

Note
Do

not

use
a
larger
capacitor

If

capacitor
is

installed
to
terminal
F

alternator
coil
will
be

damaged

Regulator
Install
a
0

51lF
capacitor
to
IGN
terminal

of

voltage
regulator

Operative
noise
of
water
tem

perature
and
fuel

gauges
Install
O

IIlF
capacitor
between
terminal
and

ground
wire

Note
If

a

capacitor
having
a

larger
capacity

is
used
indication
of

gauge
will
be
de

viated

b
Cut
lead
wire

as
short
as

possible

c

Ground
wire
should
be
attached
on

the

body

completely

d
Make
installation
and
connection
securely

e

Carefully
identify

or
OUT

mark
IN

BE
35