DATSUN PICK-UP 1977 Service Manual

To

adjust
vertical
aim

use

adjusting

screw

on

upper
side

of

headlamp
and

to

adjust
horizontal
aim

use

adjusting

screw

on
side

of
head

lamp

Notes

Before

making
headlarnp
aiming
ad

justment
observe
the

foUowing
in

structions
Body
Electrical

System

a

Keep
aU

tires
inflated
to
correct

pressures

b
Place

vehicle
and
tester

on
the

same

flat
surface

c

See
that
there

is
no
load
in
vehicle

I
Gasoline
radiator
and

engine
oil

pan
filled

up
to

correct
levels

2
Without

passenger
When

performing
headlamp
aiming

adjustment
use
an

aiming
device

aiming
wall
screen
or

headlamp
tester

For

operating
instructions
of

any

aimer

refer
to

respective
operation

manuals

supplied
with
the
unit

DRIVING
BEAM
HIGH

BEAM

L

wt

H
G

hi
i

iiI

PASSING
BEAM
LOW
BEAM
10
m
32
8
ft

W2

H2
10
m

02
8
n

d

20

h2
I

02

I

I

f
10
m

32
8
ft

Driving
beam

High
beam

Passing
beam
Low

beam

HI

WI
01

mm
mm

CO

in
in

I
715
780

48

All
models

28
15
30

71
hI

H2
W2

h2

O2
d

mm
mm
mm

in

in
in
0

140

I
715

11
160

12018
5
51
28

15
45

67
mm
mm

in
in

392
349

is
43
13
74

BE302

Fig
BE
8

Aiming
adjustment

BE

6

FRONT

COMBINATION
LAMP

BULB
REPLACEMENT

1
Remove
two

retaining
screws
and

lens

2

Push
in

on
bulb
turn
it
counter

clockwise

and
remove
it
from
socket

3
Insert
new

bulb
into
socket

press

it
inward
and

rotate
it

clockwise
Make

sure
that
bulb
is

locked
in
its
socket

4

Place

packing
to

lamp
body
in

position
and
install

lamp
body
with

packing
lens
and
two

retaining

screws

REMOVAL
AND

INSTALLATION

To
remove

lamp
body
disconnect

wiring
at
connector
and
remove
wire

grommet
from

panel
Remove
two

retaining
screws
and

lens
and

withdraw

lamp
body
from
vehicle

Install
new

lamp
assembly
in
the

reverse

sequence
of
removal

SIDE
MARKER
LAMP

BULB
REPLACEMENT

1
Remove
two

retaining
screws

lens
and
rim

2
Push
in

on
bulb
turn
it

counter

clockwise
and

remove
it

from
socket

3
Insert
new

bulb
into
socket

press

it
inward
and
rotate
it
clockwise
Make

sure

that
bulb
is

locked
in
its
socket

4

Place

packing
to
lamp
body
in

position
and
install

lamp
body
with

packing
lens
and
two

retaining

screws

REMOVAL
AND

INSTALLATION

To

remove

lamp
body
disconnect

two
lead
wires

at
connectors
and

remove
wire

grommet
if

so

equipped

from

panel

Remove
two

retaining
screws
lens

and
rim
and
withdraw

lamp
body
from

vehicle

Install
new

lamp
assembly
in

the

reverse

sequence
of
removal
Body
Electrical

System

1

Screw

2
Lens

3
Bulb

4

Lamp
body

BE698B

Fig
BE
9
Front
combinntion

lamp

2

1

Packing

2

Lamp
body

3
Rim

4
Bulb

5
Lens

6
Screw
5

BE699B

Fig
BE
IO
Side
marker

lamp

BE
7

ROOM
LAMP

BULB
REPLACEMENT

1
Lens

2

Bulb

3

Lamp
body

4
Screw

Remove
lens
from

lamp
housing

2
Pull
bulb
forward
and
remove
it

from
socket

3
Push
new
bulb
into
socket

4
Install
lens

REMOVAL
AND

INSTALLATION

To
remove

lamp
assembly
discon

nect

battery

ground
cable
remove
two

retaining
screws
with
lens
removed

from

lamp
housing
dismount

lamp

1
Remove

six
lens

retaining
screws

and
lens

2
Push
in

on
bulb
and
turn
it

counterclockwise
to

remove
it
from

socket
Body
Electrical

System

J

CD

O
lux
Cab

8E700B

Fig
HE
ll
Room

lamp

housing
from
roof
rail
and

disconnect

two
wires
at
connectors

Install
new

lamp
assembly
in

the

reverse

sequence
of
removal

REAR

COMBINATION
LAMP

BULB

REPLACEMENT

1
Screw

2

Lens

3
Bulb

4

Rim

5

Lamp
body

@
BE70tB

Fig
BE
12
Rear
combination

lamp

3
Insert

new
bulb
into
socket

press

it

inward
and
rotate
it
clockwise

Make
sure
that
bulb
is
locked
in
its

socket

4
Place
lens
into

position
and
install

retaining
screws

8E
8
REMOVAL
AND

INSTALLATION

I

Disconnect

wiring
assembly
at

cormector

2
Remove
two
nuts
from
combina

tion

lamp
mounting
studs

3
Dismount
combination

lamp
as

sembly
from
vehicle

4

Replace
lamp
assembly
with
a

new
one

5
Install

new
lamp
assembly
in

the

reverse

sequence
of
removal

LICENSE
LAMP

BULB
REPLACEMENT

1

Screw

2

Bracket

3

Lens

4

Bulb
i
J

BE702B

Fig
HE

13
License

Iomp

1
Remove
lens

retaining
screw
if
so

equipped
and
remove
lens

2
Pull
out
bulb
and

replace
it
with
a

new
one

3

Install
lens

REMOVAL
AND

I
NSTALlATI
ON

1

Disconnect
lead
wire
at
con

nector

2
Remove

lamp
bracket

retaining

screws
and

lamp
assembly

3
Install

new

lamp
assembly
in
the

reverse

sequence
of
removal

ENGINE

COMPARTMENT

LAMP

2

1

Screw

2

Bracket

3
Bulb

BE
7038

Fill
BE
14

Engine
compartment
lamp

Bulb
can

be

replaced
by

pushing
in

on
bulb
and

turning
it

counterclock

wise

To

replace
engine
compartment

lamp
assembly
remove
one
SCrew

retaining

lamp
bracket
to

upper
dash

panel
and
disconnect
wires
at
connee

tors

Engine

compartment
lamp
switch

can
be

replaced
by
disconnecting
lead

wire

at
connector
and

pulling
switch

assembly
out
of
its
bracket
To
install

switch

assembly
to
bracket
clean
dirt

dust
and

rust
from
the

opening
groove

of
bracket
and

press
down
on
switch

head
until
it
fits
in
with
bracket

LIGHTING

SWITCH

REMOVAL
AND

INSTALLATION

I

Disconnect

battery
ground
cable

2
Press
in
switch

knob
turn
it

counterclockwise
and

pull
it

out
of

switch

3

Unscrew
escutcheon

and
remove

escutcheon

and

spacer

4

Reach

up
from
underneath

instru

ment

panel
disconnect

lighting
switch

multiple
connector

from
instrument

harness

wiring

assembly
and

remove

spacer
and

lighting
switch

5

Install

new
switch
in

the
reverse

sequence
of

removal
Body
Electrical

System

INSPECTION

Remove

lighting
switch
from
vehi

cle

following
the

procedures
given
in

Switch

position
1

terminal

ILLUMINATION

CONTROL
RHEOSTAT

This
illumination
control

rheostat

controls
the

brightness
of
the
iliumina
Removal
and

Installation

Test

continuity
through

lighting

switch

by
using
test

lamp
or

ohm

meter

I
I
SWITCH

TERMINAL
P
T10N

ICI
F
2

I
I

b

I
4

I
I

6
terminal

I
3

I
6

3
terminal

4
terminal

BE855A

Fig
BE
15

Lighting
switch

tion

lamps
of
the

combination
meter

heater

control

wiper
and

lighting

switch
knob
it

is
a

variable
resistor

and

its
value
can
be

controlled

by
a

knob

REMOVAL
AND

INSTALLATION

I

Pull
out
knob
of

switch

2

Remove

ring
nut

retaining
switch

to
instrument

panel

3
Disconnect
lead

wires
for

switch

at

connector

4

Switch

body
can
be
taken
out

from

behind
instrument

panel

5

Installation
is

in
the

reverse
se

quence
of
removal

BE

9
0@

BE
7048

Fig
BE
16
Illumination

control
rhe08tat

INSPECTION

Test

continuity
between
two
lead

wires

with
a

test

lamp
or

an
ohm

meter

When
switch
is
in
the
OFF

position
continuity
must
not

exist
In

the
ON

position
resistance

between

the

two
lead
wires

must
be
between
0

and

3512

KNOB
ILLUMINATION

LAMP

The
illumination

lamp
is

located
on

the
illumination
control
rheostat

This

lamp
illuminates
the
knob
of

the

wiper
switch
and

lighting
switch

with

fiberscopes

The

fiberscopes
between
the
knobs

and

cap
of
the
illumination

lamp
carry

the

light
through
their
tubes
with
the

inner

reflective
walJ

CID

1
Bulb
socket

2

Screw

3

Lamp
body

8E705B

Fig
BE
17
Knob
illumination

lamp

BULB
REPLACEMENT

I
Reach

up
from
under
the
instru

ment

panel
and

pull
out
socket
with

bulb
from

lamp
body

2

Pick

up
bulb
and

install
a

new

one

3

Installation
is
in
the

reverse
se

quence
of

removal

LAMP
BODY
REPLACEMENT

1
Remove
illumination

control

rheostat
Refer
to
section

of
illumina

ti

on
control
rheostat
for
removal

2
Disconnect
lead
wires
for

illumination

lamp
at
connector

3
Remove
screw

retaining
lamp

body
to
instrument

panel

Lamp
body

can
then
be

taken
out

easily

4

Installation
is
in
the
reverse
se

quence
of
removal

TURN
SIGNAL
AND

DIMMER
SWITCH

REMOVAL
AND

INSTALLATION

I

Remove

steering
wheel

Refer
to
the
related
section

Steering
Body
Electrical

System

2
Unhook

wiring
assembly
from

clip
that
retains

wiring
assembly
to

lower
instrument

panel

3
Disconnect

multiple
connector

and
lead
wire

from
instrument
harness

wiring

4
Remove

shell
covers

Upper
and

Lower

5
Loosen
two
screws

attaching

switch

assembly
to

steering
column

jacket
and

remove
switch

assembly

6
Position
switch

assembly
to
steer

ing
column

jacket
Make
sure
that
a

location
tab
or
screw
fits
in

with

hole
of

steering
column

jacket
7

Tighten
two

attaching
screws

8

Install
shell
covers

9

Connect

multiple
connector
and

lead
wire

to
instrument

harness

wiring

10

Clip
wiring
assembly
at
lower

instrument

panel

II

Install

steering
wheel

INSPECTION

Test

continuity
through
lighting

switch

by
using
test

lamp
or
ohm

meter

3

terminal

4
terminal

7
terminal

Dimmer

R

STOP
LAMP
SWITCH

REMOVAL
AND

INSTALLATION

Stop
lamp
switch
is
mounted
at
the

bottom
of

pedal
and

steering
post

bracket

I
Disconnect
battery
ground
cable

2
Disconnect
lead
wires

at
coonee

tors

3
Loosen
lock
nut
unscrew
switch

assembly
and
remove
switch

assembly

4
Install
switch

assembly
as
de

scribed
under
Brake
Pedal
in

Section

BR

INSPECTION

When

plunger
is

pressed
into
switch

assembly
when
brake

pedal
is
reo

8El0
I
Ll

vt
r

I

ER
4JN
l
L

PlOSITlON

RI

j
LASH
n
I

I

12
STOP

9
91

I
JFRe

I
I

II

L
I
III
11

I

I
II
161

I
61616

BE706B

Fig
BE
IS
Turn

signal
and
dimmer
switch

leased

stop
lamp
switch
contacts
are

open
On
the

contrary
contacts
are

closed
with

plunger
projected

DOOR
SWITCH

Door
switch
is
installed
on
both

L
H
and
R
H
front
door

pillars

REMOVAL
AND

INSTALLATION

I
Disconnect

battery

ground
cable

2
To

pull
switch

assembly
out

of

lower

pillar
withdraw
switch
and

wiring
assembly

3

Disconnect
lead
wire

at
cannee

tor

4

Installation
is
in

the
reverse
se

quence
of
removal

INSPECTION

through
door

lamp
or
ohm
Test

continuity

switch

by
using
test

meter

When

plunger
is

pressed
into
switch

assembly
door

switch
contacts
are

open
Contacts
are
closed
when

plunger
is

projected

HAZARD
SWITCH

REMOVAL
AND

INSTALLATION

1
Disconnect

multiple
connector

and
lead
wire
from
instrwnent
harness

wiring

3
terminal
7
terminal

To
flasher
unit

1

terminal

4

terminal

5

terminal

6
terminal
I
TERMINAL
SWITCH

POSITION

OFF
ON

I

lli
ill

I
2

I
5

1
Hazard
flasher
unit

I
4
2
Turn

signal
flasher
unit
BE707B

I
5
Fig
BE
20
Flasher
unit

I
8

I
7

I

REPLACEMENT
Body
Electrical

System

2
Remove

shell

covers

Upper

3
Remove

two
screws

attaching

switch

to
lower
shell
cover
and
remove

switch

4
Install

hazard
switch
in
the
re

verse

sequence
of

removal

INSPECTION

Test

continuity
through
hazard

switch

by
using
test

lamp
or
ohm

meter

ON

BE308

Fig
BE
19
Hazard
switch

BE
11
FLASHER
UNIT

There
are
two
flasher
units
One
is

for
turn

signal
and
the
other
for

hazard

They
are
located

at
both
sides
of

instrument

panel
near

steering
column

They
can
be

distinguished
from
each

other

by
their

shape

The

large
one
is
for

turn

signal
the

smaller
for
hazard
See

Figure
BE

20

I
Disconnect

battery
ground
cable

2
Disconnect
connector
fitted
to

bottom
of
unit

3
Remove
screw

retaining
flasher

unit

4
Installation
is
in
the

reverse
se

quence
of
removal

Body
Electrical

System

BULB
SPECIFICATIONS

Item

Wattage

Candlepower

Headlamp
Inner

Outer
37
5W

37
5
S0W

Front
combination

lamp

Turn

signal
and

parking
lamp
23
8W
32
3C

Side
marker

lamp

Front

Rear
8W

4C

8W
4C

Rear

combination
lamp

Turn

signal
lamp
A
B

Tail

lamp
B
C

Stop
lamp
A
B

Back

up
lamp
D
A
23W
32C

B
23j8W

32j3C

C
8W
4C

D
23W

32C

7
SW

6C

License

plate
lamp

Engine
compartment
lamp
6W

Room

lamp
5W

Combination
meter
illurnina

tion
17W
iC
x3

Knob
illumination

lamp
3
4W

2C

Heater

control
illumination

lamp
3
4W

2C

TROUBLEDIAGNOSE
AND
CORRECTIONS

HEADLAMP

Condition

Headlarnps
do
not

light
for

both

high
and
low
beams

High
beam
cannot

be
switched
to
low

beam
or
vice
versa
Probable
cause

Burnt
fuse

Loose
connection
or

open
circuit

Faulty
lighting
switch

Faulty
dimmer
switch

Faulty
light
relay

No

ground

Faulty
dimmer
switch

Faulty
light
relay

BE12
Bulb

SAE
trade
number

4001

4002

1034

67

67

1073

1034

67

1073

89

161

158

158

Corrective
action

Correct
cause
and

replace
fuse

Check

wiring
and
or

repair
connection

Conduct

continuity
test
and

replace
if
neces

sary

Check

light
relay
for

proper
operation
and

replace
if

necessary

Clean
and

tighten
ground
terminal

Conduct

continuity
test
and

replace
if
neces

sary

Check

light
relay
for

proper
operation
and

replace
if

necessary

Condition

Headiamps
dim

Headlamp
in

only
one

side

lights

TURN
SIGNAL
LAMP

Condition

Turn

signals
do

not

operate

Flashing
cycle
is

too
slow

Pilot

lamp
does

not

go
out
or

too
fast

Flashing
cycle
is

irregular
Body
Electrical

System

Probable
cause

Partly
discharged
or

faulty
battery

Faulty
charging
system

Poor

ground
or
loose
connection

Burnt

sealed
beams

Loose

headlamp
connection

Damaged
sealed
beam

Probable
cause

Burnt
fuse

Loose
connection
or

open
circuit

Faulty
flasher
unit

Faulty
turn

signal
switch

Bulbs

having
wattage
other
than

specified

wattage
are
used

Burnt

bulbs

Loose

connection

Inoperative
flasher
unit

Burnt
bulb

Loose

connection

Bulb

having
wattage
other
than

specified

wa

ttage
is
used

TAIL
LAMP
STOP
LAMP
AND
BACK
UP
LAMP

Condition

Both

right
and
left

lamps
do
not

light

Lamp
in

only
one
side

lights
Probable
cause

Burnt
fuse

Inoperative
stop
lamp
switch

Falllty
back

up
lamp
switch

Loose
connection
or

open
circuit

Burnt
bulb

Loose
bulb

BE13
Corrective
action

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

Conduct

continuity
test
and

replace
if

neces

sary

Replace
with

specified
one

Replace

Repair

Replace

Replace

Repair

Replace
with

specified
one

Corrective
action

Correct
cause
and

replace

Conduct

continuity
test
and

replace
if
neces

sary

Conduct

continuity
test
and

replace
if
neces

sary

Check

wiring
and
or

repair
connection

Replace

Repair
lamp
socket

Body
Electrical

System

METERS
AND

GAUGES

COMBINATION
METER

COMBINATION
METER
CIRCUIT

DIAGRAM

REMOVAL
AND

INSTALLATION

SPEEDOMETER

REMOVAL
AND

INSTALLATION

ODOMETER
SWITCH

REMOVAL
AND

INSTALLATION

FUEL
GAUGE
AND

WATER
TEMPERATURE

GAUGE

DESCRIPTION

REMOVAL
AND

INSTALLATION

OIL

PRESSURE
WARNING
LAMP

DESCRIPTION

01
L

PRESSURE
SWITCH

COMBINATION

METER

COMBINATION
METER

CIRCUIT
DIAGRAM

@

BE6828
CONTENTS

BE
14

BE
14

BE
16

BE
16

BE
16

BE
16

8E
16

BE
16

BE
16

BE
16

8E
17

BE
17

BE
17

Turn

signal

indicator

lamp

L
H

OIL

0

BEAM

BE
14
Meter
illumination

lamps

M
T

only

9

9
Turn

sq
nal

indicator

lamp

lL
J
R
H

Tj

O
iJ

I
l

g
r
i
o

I

l8

J
CHARGE

WARNING
LAMP

DESCRIPTION

HAND

BRAKE
WARNING
LAMP

DESCRIPTION

HAND
BRAKE

SWITCH

METER

ILLUMINATION

INDICATOR

AND

WARNING
BULBS

REMOVAL
AND

INSTALLATION

8ULB

SPECIFICATIONS

TROUBLE

DIAGNOSES
AND

CORRECTIONS

SPEEDOMETER

WATER
TEMPERATURE

AND
FUEL

GAUGES

OIL

PRESSURE
AND

CHARGE
WARNING

LAMPS

Voltage

regulator

TEMP

FUEL
CHG

0

BRK

C

I

Speedometer

2
Thermometer

3
Fuel
meter

4
Tachometer

Option

5

Cluster
lid

6

Speedometer
cable

7

Speed
switch

amplifier

Manual
transmission

only
BE
17

BE
17

BE
18

BE
18

8E
18

8E
18

BE
18

BE
18

BE
18

BE
18

BE
19

BE
20

Q
Speed

switch

BE856A

Fig
BE

21
Ci1
Cuit

diagram
of
combination

meter

Body
Electrical

System

Circuit

diagram
of
combination
meter

system

BATTERY

r
G
0

J

J

Z2

lIa

I

LlJ

I
Z

J

Z

a
z

J
z
Z

i

g

o
a

I
LlJ

I
ll

B

S

M

D

LIGHT

i
i
RELAY

i2i

mm

S

FROM

J

e
AMP

l1

l1

J
J

00

LlJLlJ

z
z

B

COO
CUT

n

SOLENOID

i

OIL

f
PRESSURE

SWITCH

THERMAL

a

TRANSMITTER

I
FUSIBLE

r
LINK
IGNITION
SWITCH

0
1
lOA

I

g

KG
lOA

r

I

15A

t

15A

i

7
5a

z

u

a
a
I

04LlJ

l1

J
o

02

u
3
FUEL
TANK

J

VOLTAGE

REGULATOR
HAND

BRAKE

SWITCH

J
Jon

0

j

Z

a

l

I
I

I
l

ll
Z

ll
Z

LlJ
LlJ

J
a
J
a

I
I

I
I

1

1

Zza
a

00

a
a

LlJLlJ

ll
ll
a
a
HAZARD

FLASHER

UNIT

L
J

HAZAR

D

SWITCH

I
OFF

ONI

l
I

I

I
2

I

I
3

I

14

61
I
5
6

16

9
I

76

I

FLASHER

UNIT

CJ

TO
LIGHT
IOFF

RELAY

B
l

TERMINAL

I

I

I

LIGHT

SWITCH
21

X
X

BEB57
A

Fig
BE
22
Circuit

diagram
of
combination

meter

ayatt
m
TURN

SIGNAL

SWITCH

I
L

RI

lFLA
I

IR
R

I

IR
L

I

IF
R
u

I

IF
L

u

I

FROM
L1GHT

RELAY
DIMMER

SWITCH

BE

15