Toyota Celica Supra 1982 Guida rapida

TOYOTA

.....

ELECTRICAL WIRING:

..••

(.:J:

~"G

tIll'"

, .

FOREWORD

This wiring diagram has been prepared

provide information on the

electrical system

the 1982 TOYOTA CeUCA SUPRA,

MA61L

series.

All

information

the manual

based

the latest product information

the time of publication. However, specifications and procedures are

subject to change without notice.

1981

TOYOTA

MOTOR

SALES

CO.,

LTD.

All

rights reserved. This book may not be

r.·

produced or copied,

whol. or

part,.

without

the written permission

Toyota Motor Sales Co"

Ltd.

TOYOTA

MOfOR

SALES

CO.LTD.

INDEX

A INTRODUCTION

B TROUBLESHOOTING

POWER

SOURCE

2 CHARGING

SYSTEM

3 STARTING AND IGNITION

SYSTEMS

STOP

LIGHTS

5 BACK-UP LIGHTS

6 RADIO AND

STEREO

PLAYER

7 CLOCK (Analog Meter)

8 HORNS

9 SEAT BELT WARNING

SYSTEM

10 REAR

WINDOW

DEFOGGER

REMOTE CONTROL MIRRORS

AND CIGARETTE LIGHTER

12 FRONT

WIPERS

AND

WASHER

REAR

WIPER

AND WASHER

POWER

WINDOWS

AND

SUN

ROOF

OVERDRIVE

TRIP

COMPUTER

(Digital Meter)

DOOR

LOCKS

FOG

LIGHTS

RETRACTABLE HEAD LIGHTS

TAIL

LIGHTS AND ILLUMINATION

TURN SIGNAL AND HAZARD WARNING LIGHTS

22 INTERIOR LIGHTS

',.'

COMBINATION METER (Analog)

.'.

",.-

24 COMBINATION METER (Digital)

ity

',*.

1<'25

CRUISE CONTROL

EFI

SYSTEM

·f

27 AUTOMATIC

AIR

CONDITIONER

,;GROUND

POINTS

G'F7'

A II\lTRODUCTION

As shown

the index, the entire electrical system

composed of 28 systems, including

the

power

source and ground points.

The power source illustrations show how battery power

distributed

each fuse and what loads in

the system

the

fuses protect.

Most

systems are drawn from the fuses

junction blocks (JIB)

No.2

and

No.3.

Joining the power source with any system will

~esuit

the complete system.

Location of the ground points are shown as well

how

the cOmponent grounds'are related to each

other.

Each system

displayed on two facing pages for easy reference.

the

left

shown

the

system circuit and connectors as much as possible as they are actually posi-

tioned in the vehicle.

The system wiring routing and connector location

displayed on the right.

System Title

'System

Circuit

Connector

----,l!Oj

Illustration

IQI

!£}!

_Wiring

Routing

and Connector

Location

INTRODUCTION

Troubleshooting Hints and Component Operation

For assistance

understanding

the

system and help

repair, voltage, resistance

operation

each

component can be found boxed within the system circuit.

Connector Illustrations

The connectors marked alphabetically ( ® ' ® ' ©

,etc.)

are identical

those marked similarly

the wiring routing.

assist

location, connector colors are written

the connector illustrations.

The connectors are

illJ,Jstrated

relation

the wiring side and not the component side, and these are

seen from the open end.

Connectors which join wiring within

the

system circuit are drawn as a pair. Left connectors

the

system circuit are drawn on the left, and right connectors are drawn on the right. Upper connectors

the

system circuit are drawn on the right, and

the

lower connectorscan

found on

the

left.

Connector pins are numbered

each connector. Female connectors are numbered from left

right

and from top

bottom.

Male

connectors are numbered from right

left and from

top

bottom

(i.e., a male connector

numbered

relation

its female connector).

® Green ® Blue

.11..

.# 1 2

:;,...

4 6 6

I 7 I 8 9 10

2 1

6 5 4 3

10 9 8 7

I 12

8 9

Wfu1ili

9 8 7 6 5

Female .

Male

Female

Male

Wire

Color

Wire

colors are indicated by an alphabetical code. The first letter indicates the basic wire color and the

second letter indicates

the

color

the stripe. ,

B ; Black V = Violet P = Pink

Lg;

Light Green

Gr = Grey

= Brown W = White R =

Red

0 = Orange L = Light Blue G = Green Y = Yellow

Example:

indicates a

Red

wire with a Green stripe.

B TROUBLESHOOTING

Troubleshooting Procedure

Determine what

wrong with the system.

2. First read the diagram

you understand the system. Refer

the

component operation boxed

within

the

system circuit.

3. Locate

the

cause of

the

problem.

a. Determine whether

the

problem

with the common circuit (power source

ground)

individual circuit.

Check

other

loads

switches which are

parallel with

the

problem component.

If they are normal,

the

problem lies within

the

particular system itself.

Refer

the

POWER

SOURCE

GROUND POINTS and check

the

related systems.

(NOTE: Each component

grounded at 2

3 points.)

If the related systems are normal, the common circuit (power source or ground points)

okay.

The problem lies within

the

indiVjdual system.

b. Locate

the

exact point

the problem by narrowing down the

flrea

with a voltmeter

test

lamp.

->,.,:,'/'"

4. Repair and re-check

the

circuit.

If any wiring was disconnected for troubleshooting, re-connect it and check

the

related circuits.

Voltage Check

Establish conditions

which voltage

present

the check point.

IRefer

component operations.)

Example:

® - Ignition

SIW

® - Ignition

SIW

and

SIW

1 on

SIW

1 and Relay on

(SIW

off)

2. Using a voltmeter, ·connect the negative lead

a good ground point

negative battery ter-

minal and

the

positive lead

the connector

component terminal. This check can be done

with a test lamp instead

a voltmeter.

Ignitio;o

8/W

Terminal

fuse

81W

Relay

~'[11

'--+-

.....

Solenoid

Voltmeter

TROUBLESHOOTING

Continuity and Resistance Check

Disconnect the battery terminal or wire

there

no voltage between the check points.

2. Contact

the

two leads{)f an ohmmeter

each of

the check points;

If the circuit has diodes, reverse the two leads

and check again.

When

contacting

the

negative lead

the

diode

positive side and the positive

lead

the

negative side, there should be continuity.

When

contacting the two leads

reverse, there

should be no continuity.

Finding a

Short

Circuit

Remove

the

blown fuse and disconnect

all

loads

the

fuse.

Connect a test lamp in place of the fuse.

3. Establish conditions in which the test lamp

comes on.

(Refer

component operations.)

. Example:

® - Ignition S/Won

@ - Ignition

S/W

and S/W 1 on

S/W,

s/W 1 and Relay on

(Connect

the

Relay) and

S/W

2 off

(or Disconnect

S/W

DiSC{)nnect

and reconnect

the

connectors while

watching

the

test lamp.

The short

lies

between the connectorwhere the

test lamp stays lit and

the

connectorwhere the

lamp goes out.

.5. Find

the

exact location

the short by lightly

shaking the problem wire along the body.

Ohmmeter

Disconnect

SIW2

4To

19oition

SIW

Terminal

Fuse

Case

Short ®

S/W

Short ®

---

Disconnect

Relay

Short@)

_--

Disconnect

Solenoid

1 POWER SOLIRCE

(Power-Load

Reference) [

JIB

No.3

I Power J Load System

No.

15A HEAD

(LH-LWRj

Head Lamp (Left Low Beam) 19

I Head Lamp (Right Low Beam) 19

16A HEAD

(RH-LWR)

i Fog Light Relay 18

16A HEAD

lLH-UPR)

I Head Lamp (Left

High

Beam)

16A

HEAD

(RH-UPR)

Head Lamp (Right

High

Beam) 19

High

Beam .Indicator Lamp

Charge Light Relay 2 i

16A EFI Trip,Computer . 16 !

EFI Computer, Air Valve, Circuit Opening RelaY,Fuel Pump

i Radio and Stereo Player 6

HAZ-HORN ! Horn < J 8

, ! Turn Signal Flasher,

Front

Turn

Signal Lamp, Rear

Turn

Signal i

i . Lamp, Turn Signal Indicator Lamp I

I I

16A STOP i Stop Lamp i 4 i

Clock 7 !

" Trip Computer 16

16A TAIL Clearance Lamp,

Front

Side Marker Lamp, Tail Lamp, Rear Side

Marker Lamp, License Lamp, Handy

Map

Lamp, Glove Box

Lamp, Inspection Lamp, Vanity Lamp, Radio Lamp, Trip 20

i Computer Lamp,

AfT

Indicator Lamp, Meter Lamp, AIC Control

, Lamp, Cruise Control

S/W

Lamp, Overdrive

S/W

Lamp, Defogger

S/W

Lamp, Cigarette Lighter Lamp, Ash Tray Lamp, Rheostat

. i

Front

Wiper Relay, FrontWiper Motor.

Front

Washer Motor 12 !

20A WIPER ! Rear Wiper Relay, Rear Wiper Motor, Rear Washer Motor ! 13

. i

ENGINE Alternator 2 )

Igniter

and

Coil 3

FLO.3P

EFllnjector

Starter Magnet S/W,

Start

Injector,

Start

Injector Time S/W, I 3

FL 1.0Y Tail Light Relay

AIC

Cut

Relay 27

JIB

No.2

Power Load

System

NQ.

7.5A HEAD (RTR) Retract Control Relay 19

Clock 7

7.5A

DOME

Seat Belt Warning Relay 9 -

I DoorWarning Lamp, Door Courtesy Lamp, Interior Lamp,

Map Lamp, Back Door Lamp, Step Lamp, Ignition Key Lamp, 22

Ignition Key Light Relay

, 1

CU-B

Trip

~omputer

........................

OG Fog Lamp 18

RADIO Radio and Stereo Player 6

Clock 7

...•.....

15A

CIG

Cigarette Lighter, Remote Control Mirror Motor

. Trip Computer 16

7.5A TURN Turn Signal Flasher, Front Turn Signal Lamp,

Rear Turn Signal Lamp, Turn Signal Indicator Lamp,

15A

ECU-IG

Cruise Control Computer, Cruise Control Indicator Lamp 25

Back-up Lamp, 5

Seat Belt Warning Relay, Seat Belt Warning Lamp 9

Defogger Relay, Defogger Indicator Lamp 10

Power Window Relay

7.5A GAUGE

OlD

Relay,

OlD

Solenoid 15

Combination Meter

.23,24

Heater Relay, Water Valve VSV, Sub Damper VSV.Sub Damper

Relay

No.1,

Sub Damper Relay No. 2.High Speed Relay, Double

Vacuum Valve, Warm-up Relay (30GC), Warm-up Relay (50"Cl. 27

A/C

Amplifier

7.5A

IGN

Main

Relay, Charge Warning Lamp 2

El'l

Main

Relay

No.1,

I Main Relay

No.2

DEFOG

Rear Window Defogger

t=1t=}

Fusible Links (Near the Battery)

FL O.3P (Looped

connector)

A/C

Condenser Fan Motor , 27

FLO.3P ,

(Between battery and connector) Retract Relay, Retract Motor

2.0L . Head Light Relay, Dimmer Relay

Ale

Relay Block

A/C

Amplifier, Sub Damper VSV, Compressor, Idle up VSV,

lOA

A/C

Condenser Fan Relay,

A/C

Indicator Lamp, In-Car Sensor Fan 27

Motor

A/C

Blower Motor I 27

PowerWindow Relay Block

Power Window Motor, Sun Roof Motor 14

PWR

I Door Lock Relay, Door Lock Solenoid 17

; I

',1

·1,

'Ii

, POWER SOURCE

;:-

;;:

FL03?

ToNCRelay

...

Battery

wira

O.3f'

HEAD

!LH-lWR.

15A

HEAD (RH.LWRr1$Al

HEAD (LH·UPRi

15A

3 I

To Retract

Relay

Head

Ught

Relay

c-:i-o~1

DImmer Relay

:vI

Head

Light

Relay

Closed with light contrOl 8/W

HEAD

position

dimmer

srw

<It

.FLASH pos.ition :

~i?"~.

___

;

Dimmer

Relay

:changed

from HEAD

(LWRI

i HEAD {UPR)

with

dimmer

S{W

FLASH position

with head

light

r-elay

and

dimmer

S/W

HIGH positiQr;

~1!2~_

_____

--'

,if HEAD {RH-UPR) 15A1

Tail

Light

Relay

EFI

ISA

HAZ·HORN 15A

LOY

STOI'

'SA

TAIL

1SA

WIPER

20A

ENGINE

,s):""'"

Tru!

Ught

Relay

1-o~1

, I

Main Relay

rr I

CIOSl)d

with

Ught

control

SIW"I

TAl

HEAD

position

Coil65H

Main

Relay

Closed

with

Ignition

S/Wat'

orST~ltion

COU

-BOil

Heater

Relay

~-~c=--~

Closed

with

ignition S/W at,lG '

I position

and

heater blower

, S/W

{at

L, M

H positionl

Closed

with

iglJition sIW

po~ition

and'

he.ater blower

$/'oV

at Auto

~sition

and warm-up

relay (30"CJ

cI¢~d

JIB

No.2

@ ,.::.:.::...:.==-----------. ® Ignition

SIW

[

~GIf~H~E~A~D=(RT==R):7~.5~As:~~r=~~======r~fERlw~

~----,

::ii

~~~~~'~'E=il

~JLJMI~-§.

'~';

CI""d

with

'gnition

"Y'::I'

> •

~00M~""E_-o;.1,,5A_'>_-....

I.R

Ll'I

IACr::~

ACGcr

position

® I.,

.5A

.....

I-.

1 -

Closoo

with ignition key at

N~I

~E""CU'!c-6~_<:i_:;:.:..o_--l

r-;:::::I-'!-~

.....

,IG.rST"",'6oo

DEFOG

CB-t

_11>----'

FOG

lSA

"'--'iV

RADIO

1.SA

PWfl

elG

,SA

TURN

7.5A

ECU-lG

15A

GAUGE

1.SA

taN

7.SA

"'""'-'"

I I

@Black

©Yellow

®Gr

••

n ®Slack

@Green

'(DSlack

Ale

Relay

Block

AleCB

NC10A

_______________

-----1

--------0

-----

F,L

DEFOG

----+4-:=.~~t~~J;;;;J

GAUGE

7.~r'

RADIO

7.5A

-Ftf~~ff:nITn~:~::~

ECU-B 7.5A

DOME

7.5A--;'~:-7"1t

CIG

15A

ECU-IG

15A

'~r'~

IRTR)

FOG

15A

TURN

7.5A

ENGINE

15A

HAZ-HORN

15A

\ F

\ ©

HEAD

(LH·UPR)

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