1979 DATSUN 210 air condition

Back
up

lamp

Condition

Neither
left
nor

right

lamp
lights

Lamp
on

only
one

side

lights
Body

Eleptrical
S
I
stem

Probable

cause

Faulty
back

up
lamp
switch
M

T
or
in

hibitor
switch
A
T

Burnt
fuse

Loose
connection
or

open
circuit

Burnt
bulb

Loose
bulb

Loose
connection
or

open
circuit

BE
40
Corrective

action

Conduct

continuity
test
and

replace
if

eces

sary

Correct

cause
and

replace

Check

wiring
andlor

repair
connection

Replace

Repair
lamp
socket

Check

wiring
and
or

repair
connection

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

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

Body
Electrical

System

Condition
Windshield

wiper
and
washer

Probable
cause

Windshield
Motor

wiper
does
not

operate

Windshield

wiper
operat

ing
speed
is

too
slow
Power

supply
and

cable

Switch

Link

Motor

Power

supply
and

cable

Link

Switch

Windshield
Motor

wiper
speed
can

not
be

adjusted

correctly

o

o

fi
5

2

0

E

0

0
Stops

any

where

Does

not

stop

Washer
motor

does
not

operate

when

pushing

washer
switch
on

Washer
motor

operate
bu

t

washer
fluid
is

not

ejected
Motor

Motor
Broken
armature
worn
motor
brush
or

seized
m
tor
shaft

Blown
fuse

Loose

open
or
broken

wiring

Improper
grounding

Improper
switch
contact

Foreign
material

interrupts
movement
of

link
mechanism

Disconnect
link
rod

Seized
or
rusted

arm
shaft

Short
circuit

of
motor
armature
worn

motor
brush

or
seized
motor
snaft

Low

source
voltage

Humming
occurs
on
motor
in
arm

operat

infcycle
due

to
seized

arm
shaft

Improper
switch
contact

Motor

brush
for
either

low
or

high
speed

is
worn

Contaminated
auto

stop
relay
contacts
or

improper
contact
due
to

foreign
matter

Incomplete
auto

stop
operation
Contact

is
not

interrupted

Burnt

fuse

Faulty
switch

Faulty
washer

motor

Loosen
or

poor
connection
contact
at

motor

or
switch

logged
washer
nozzle

BE
53
Corrective
action

Replace
motor

Checkshort
circuit
burnt

component
in

side
motor
or
other

part
for

operation

and
corr
ct

problem

Correct

Correct

I

t

Correct

Correct

Correct

Lubricate
or

replace
arm
shaft

Replace
motor

or
lubricate

bearing
with

engine
oil

Measure

voltage
check
other
electrical

parts
for

operation
and
take
corrective

action

for

power
supply
if

necessary

Lubricate
or

replace

Conduct

continuity
test
and

replace
if

necessary

Replace
motor

Remove

auto

stop
device
cover
and
clean

contacts
carefully
so
as
not
to
deform

relay
plate

Remove
auto

stop
device
cover
and
cor

rect

relay
plate
bending

Correct
cause
and
replace
fuse

Replace

Replace

Repair

Clean
nozzle
or

replace

I

Horn

Condition

Neither

high
nor
low

horn

operates

High
Low

horn

does
not

operate

Horn
does
not

stop

to
sound

Reduced
volume
and

or

tone

quality
Body
Electrical

System

Probable

cause

Burnt

fuse

Faulty
horn

button
contact

Horn
sounds
when

@
terminal
of

inst

harness
connector
to

combination
switch
is

grounded

Faulty
horn

relay

Horn

sounds
when

CD
and

ID
terminals

of

engine
harness
to
horn

relay
are
connected

with
a

test
lead

including
15A

fuse

Lo
se

conn
ection

or

open
circuit

Faulty
horn
or
loose
horn

terminal
connee

tion

Break
in
wire

to
horn

Short
circuited
horn
button
and

or
horn

button
lead
wire

When
inst

harness
is

disconnected
from

combination
switch
horn

stops
sounding

Faulty
horn

relay

Loose

or

poor
connector
contact

Fuse

relay
horn
and
or

horn
button

Faulty
horn
Corrective
action

Correct
cause
and

repbce
fuse

Repair
horn

button

Replace

Check

wiring
and

or

repair
connection

Correct
horn
terminal
connection
or

replace

horn

Repair

Repair
horn
button
or
its

wiring

Replace

Repair

Replace

Radio

Noise

prevention
chart

Position
car
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

median

point
where
no

broadcasting
wave
is

received

Condition

Probable

cause

Ignition
system

Noise
o
curs
when

engine
is

operated
High
tension

cable

Ignition
coil

Charging
system

Sound
of

alterilating
current

present
Alternator

When
accelerator

pedal
is

depressed
or

released

noise
occurs
Voltage
regulator

BE

54
Corrective
action

Install
new

high
tension

cable

Replace
O

5
lF
capacitor
installed
to

primary
side

terminal
of

ignition
coil
with

ne
ones

Note
Be
careful

not
to
install

capacitor
to
see

ondary
or

primary
breaker
side
This
will

result

in

improper
engine
operation

Replace
O
5

lF
capacitor
installed
to

charging
ter

minalA

Note
Do

not
use
a

larger
capacitor

Install
a
O
5

lF

capacitor
to

IGN
terminal

of

voltage
regulator

Condition

Insufficient

heating

performance

No
heated

air

discharged

Insufficient
air

flow

to

floor

Insufficient

defrosting

performance

Cold
air

discharged

Insufficient
air
flow

to
defroster

Heated
air

discharged

with

lever
in
VENT

Blower

motor
does

not

run

Control
lever

drags

Outside
air
comes
in

with
fan
in
OFF

Noise

frol11
blower

motor
Body
Electrical

System

Probable
cause

Cooling
water

temperature
too

low

Heater
core

plugged

Insufficient

cooling
water

level

Malfunctioning
air
mix
door

Malfunctioning
water

cock

Blower
motor

speed
too

low

Malfunctioning
floor
door

Refer
to
No

heated
air

discharged

Malfunctioning
hoor
door

or
faulty
seal

Defroster
nozzle

plugged

Leak

at
defroster
duct
lo
nozzle
connection

Water
cock
not

operating
properly

Mode
door
not

operating
properly
or

seal

damaged

Fuse
melted

MOlor
wire
connector
disconnected

Faulty
switch

Faulty
motor

Faultyblower
control

amplifier

Inner
wire

rubbing

against
outer
case
end

Control
cable
bent

excessively

Malfunctioniilg
doors
door

levers
etc

Air

intake
door
not

operating

properly

Control

cable
out
of

adjustment

Loose
bolt

in
blower

motor

BE

56
Corrective
action

Check
thermostat

Rep1ace
as
nece

ry

Clean

Rem

Adjust
control
cable

Adjust
control
cable

Check
motor
terminal

voltage

Repair

poor
connection
and

discontinuity

Replace
motor
if

necessary

Replace
blower

control

amplifier
if
neces

sary

Adjust
control
cable

Adjust
control
cable

Clean

Correcl

Adjust
control
cable

Adjust
control
cable

Correct

cause
and

replace

qrrect

Replace

Check
and

correct

Replace

Adjust
control
cable

Correct

Ch

ck
and
COrrect

Repair
or

replace

Adjust
control
cable

Check
and

tighten
loose
bolts

DATSUN

210
Model

8310
Series

SECTIONAC

AIR
CONDITIONING

CONTENTS

DESCRIPTION

OUTLINE
OF
AIR
CONDITIONER

REFRIGERATION
SYSTEM

AIR
FLOW

VACUUM
SYSTEM

ELECTRICAL
CIRCUIT

GENERAL
SERVICE

REFRIGERANT
R
12

COMPRESSOR
OIL

MAINTENANCE

GENERAL
SERVICE
INSTRUCTIONS

SAFETY
PRECAUTIONS

EVACUATING
AND

CHARGING
SYSTEM

CHECKI
NG
FOR
LEAKS

REFRIGERANT
LEVEL
CHECK

COMPRESSOR
OIL
LEVEL
OHECK

PERFORMANCE
TEST

REFRIGERANT

LEAKS

SERVICE
PROCEDURES

FAST
IDLE
ACTUATOR

IDL
E
PULLEY
AND
COMPRESSOR

DRIVE
BELT

COMPR
ESSOR

CONDENSER

RECEIV
ER

DRIER

REFRIGERANT
LINES
I

COOLING
UNIT

EXPANSION
VALVE

THERMOSTAT

MAIN
RELAY

HEATER
UNIT

WATER
COCK
AC
2

AC
2

AC
3

AC
5

AC
6

AC
7

AC
9

AC
9

AC
9

AC
9

AC
9

AC
9

AC

1

AC14

AC15

AC
17

AC17

AC17

AC18

AC1B

AC19

AC19

AC
20

AC
20

AC
21

ACc21

AC
22

AC
22

AC
23

AC
23

AC
23
BLOWER
MOTOR

RESISTOR

AIR
CONDITIONER

CONTROL

FAN
SWITCH

MICROSWITCH

LOW
PRESSURE
SWITCH

MAGNET
VALVE

FUSE

REPLACEMENT

VACUUM
HOSE
DIAGRAM

WIRING
DIAGRAM

COMPRESSOR
MODEL
SC206

PRELIMINARY
CLEANING

COMPRESSOR
CLUTCH

SHAFT
SEAL

CYLINDER
HEAD

AND
VALVE
PLATE

DISCHARGE
AND
sU
CTiON

CONNECTORS

TROUBLE
DIAGNOSES
AND

CORRECTIONS

AIR

CONDITIONER
DIAGNOSES

BLOWER
MOTOR
DIAGNOSES

COMPRESSOR
DIAGNOSES

COMPRESSOR
CLUTCH
DIAGNOSES

VACUUM
SYSTEM
DIAGNOSES

PERFORMANCE
TEST

DIAGNOSES

PERFORMANCE
CHART

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL
SPECIFICATIONS

INSPECTION
AND
ADJUSTMENT

TIGHTENING
TORQUE

SPECIAL
SERVICE
TOOLS
AC
23

AC
23

AC
23

AC
23

AC23

AC
24

AC
24

AC24

AC
24

AC
25

AC
26

AC
27

AC
27

AC
28

AC30

AC30

AC32

AC
32

AC
33

AC34

AC35

AC36

AC37

AC
41

AC
42

AC
42

AC
42

AC
43

AC
44

Air

Conditioning

DESCRIPTION

OUTLINE
OF
AIR

CONDITIONER
level
and

ventilation
functions
Its

control

system
consists

of
a
mechani

cal

system

using
cables
and

engine

vacuum
and
electric

system

The

component
units

of
the
air

conditioner
are
installed
in
the

engine

and

passenger
compartments
the
compressor
and
condenser
in

the
for

mer

and
the
unit

comprising
the

evaporator
heater
and
blower
and
i

Is

control
in
the

latter
The

units
in

the

passenger
compartment
aTe
summa

rized
as
foUows
Th

ipr
conditio
er
isa

combine4

unit

of
an

evaporator
heater
and

blower
and

provides
heating
and
cool

lng
functions
In

addition
it

has
hi

I

1
Heater
unit

2
Ventilation

door

3

Air
mix
dom

4

Air
intake
door

5

Cooling
unit

6
E

r
or

7
Blower
motor

8
Floor
door

AC377A

Fig
AC
1
Air

Conditioning
Unit
and
Air
Flow

AC
2