Toyota Corolla FR AE86L Series 1987 Wiring Diagram

FOREWORD

This wiring diagram has been prepared on

the

electrical system

AE86L series.

All

information information and procedures are subject

at

in

the

time

of

the

1987 TOYOTA COROLLA FR

manual of

is

based

publication. However, specifications

to

change

without

TOYOTA MOTOR CORPORATION

to

provide information

on

the

latest

product

notice.

1987

TOYOTA COROLLA

FR

ELECTRICAL

WIRING

INTRODUCTION HOW

TO

USE

THIS TROUBLESHOOTING GLOSSARY

POWER STARTING CHARGING SYSTEM EFI SYSTEM EMISSION CONTROL IDLE·UP

HEADLIGHTS .....

STOP LIGHTS TAILLIGHTS BACK·UP LIGHTS . INTERIOR TURN

OF

TERMS

SOURCE

AND

IGNITION

••••..•••..•••••...•..•.•...••.•.••

•.••.•.•.•...•..•....•••.

...••............•................

AND

LIGHTS . ....... .

SIGNAL

AND

DIAGRAM

...•.........

MANUAL

..•........•.

AND

.•..•..

ILLUMINATION

...

....

SySTEM

...•........

•...

...

...........

. . ....... .

HAZARD

•

•........

...

........•..•..•..•

; •.....

SYMBOLS •

...•..•..••....•.•..

...•••..

.

....•

WARNING LIGHTS

.•••

..•..•..

•..•..•..••...••

.

....•

.•

..•••.•.••.

..........

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

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

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

.•

....•..

...•...

••

•..•••

•••...•

••...•

.

....•.

....

..

-

=

..

.

..

-

..

. .

-

..

©

1.986

TOYOTA

tion.

written

or

copied

permission

MOTOR

This

, in

whole

of

Toyota

CORPORATION

book

may

not

or

in

part,

Motor

be

re-

without

Corpora-

LIGHT FRONT WIPERS REAR WIPER

OVERDRIVE SEAT POWER WINDOW

REAR WINDOW DEFOGGER

REMOTE CONTROL MIRRORS

CRUISE CONTROL ....•

CIGARETTE SUN ROOF

RADIO COMBINATION AIR GROUND POINTS RELAY

ELECTRICAL OVER

AUTO

BELT

AND

CONDITIONER.

ALL

TURN

AND

WASHER

...•.....

WARNING

....•...•......•...............

LIGHTER

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

HORN

METER.

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

LOCATIONS.

WIRING

ELECTRICAL

OFF

SYSTEM .

WASHER

....••.......

•...•. ...

. ;

...........•..........

. . •

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

AND

CLOCK

.....

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

. .

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

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

. .

..

. . . . . . .

ROUTING.

WIRING

......

.......

..

. .

....

... : .............•...

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

.......

..

. . . . • . . . . . . . . . .

DIAGRAM.

......

. .

........

. .

.. . ..

...•......

..

........

.•........

..

. . . . . . ...

.•....

• .

•

.......

....

. .

. . . .

...

•.

• .

..

.

..

"

.. . ..

..

...

-

..

.

-

..

.. .. .. ..

_ _ _

- 1 -

A

INTRODUCTION

This manual is

Power

Circuit

battery

each fuse .

co~posed

Source

from

to

of

the foll

System

Each

classified

system

owing 5 elements

Circuit

ci reu

it

by

EE3QIm

~I

liILJ')illi1

.

Ground Poi

Relation between

ground

each

System

Circuit

0-

®

points

component

®

~

®

g

nts

of

~

®

i

..

Connector

Illustral:ion

@-

d:b

®--

@

Relay Location

& Wiring

Relay &

location

Routing

Connector

"-'

- - ''''

. -

,-_

.....

Over

all Wiring

Diagram

Shows relation

between each

system

'-

-

~

lID

r---o

1m

®

I

J;;:~-

. -

--

-

'---

!

i

I

·1

1

I

i

Components

~'~~~2

Junction

Note:

The

Block.

number

No.2

indicates

Male

Circuit

2 I

~

2C

~2C

:

I

.

%

~

,

I

1

the

number

• E

of

the

@

HEADLIGHT

lH

junction

Male

Female

Connector

@

(Wire Harness Side)

®

I

I I I (Wire Harness Side)

block.

Location

® Headlight

Wiring routing com- )

ponents

(

alphabetical

<m

Engine Room Main

Wire &

Block No. 2

II]

Engine Room Main

Wire & Cowl

LH

listed in

order

Junction

Wire

-2-

Wire

to

Wire Connector

Female

Male

14

@-

~

REAR

- -----i>

HINDDH

DEfOG

'"

CB

DEFDGGER

OEFDGGER

CLOSED

AMO

OEfOGGff'l SIlt

NITH

RELAY

IGttITICIN

ON

@@SLACK

SIll

AT

1&

POSITIClH

""<~-----

".-

--

-@

--©

A

@-

--"""'"

®--

@PinNumber

Numbered from

"lower right

~

@Male

©

ABBREVIATIONS

& female

shape

•

All

end,

Connector Connectors in

color.

in

upper

of

Female

their

left

internal pins.

connectors

and

the

Color

not

order

to

Numbered

from

upper

lower left

~

.D:E

Male

connectors

are shown from

lock

is

indicated are milky white

distinguished by

on

top.

the

in

right

open

oder

to

@Indicates

circuit in

Example:

@Troubleshooting

®Wire

Color

Wire colors are indicated

;

B

Black L Light Blue R

BR;

GR;

The

the

Brown

; Green

G

Grey P

first

letter

second letter indicates

Example:

LG;

0

indicates

R-G

Junction

Hints &

Light Green Orange

;

Pink

the

I$)

Block

No.3

)

Components

by

an alphabetical

V W

Y

basic wire

color

I

Red

color

of

I

Green

.

1C

indicates

that

it

is

Junction

No.1

.

Operation

code

;

Red

;

Violet

;

White

;

Yellow and

the

stripe.

I{

inside

Block

.

The

following abbreviations are used in

;

AIC

AfT CB CMH

FL

Air Conditioner

;

Automatic

;

Circuit Breaker

Transmission

Cold Mixture Heater

Fusible Link OVCV ;

IIA

JIB

LH

OlD

this

manual.

;

Integrated Ignition Assembly

;

Junction

;

Left·hand

;

Overdrive Outer

Block

Vent Control Valve

RH

S/W

VSV

WI W

IO

;

Right-hand

;

Switch

;

Vacuum Switching Valve

;

With

;

Without

-3

-

B

To an

HOW

better

actual

understand

troubleshooting

TO

USE

how

procedure.

THIS

to

use

MANUAL

this manual, let's assume

that

the

headlights

will

not

light,

and go

through

CONFIRMATION Turn

on

the

headlight switch and check

READ

1. Locate

2. Read

3.

..

THE

CIRCUIT

the

headlight system number in

(The system

the

Unfold

1-

~

I"t1NEfI

~

,,,

"""S1

i~',

'1b~!

'-::l:I

,

•

,

number

circuit

the

ELECTRICAL

SOURCE

.J

..

:""

")';"'~'"

1;<1..,

- _

11:/0

••

OF

TROUBLE

DIAGRAM

is

written

diaQram

~r9"

to

learn

WIRING

""

"

in

for

the

bold

at

how

it

ROUTING

yourself

the

works.

that

the

index and open

top

corner

page

PINPOINT If

the

circuit

point),

Please headlights are related

Okay ....

Bad

of

at

the

THE

problems

refer

to

........

headlights do

the

manual

each page).

back

of

TROUBLE

is

in

common

will

POWER SOURCE (System No, 1-2). Since

..

Trouble

Check circuits in

not

come on.

to

the

the manual.

with

others

occur in some

to

the

HAZ-HORN,

lies

within

page indicated.

(power

of

the

common.

circuit

others also.

check

headlight

this

circuit.

or

circuit.

ground

the

1.

Inspection ot' Headlight

JIB

In

side

No

.2

lOA

HE

(Return (a)

.... O lH

(b) Check

to

HEADLIGHT

Check Headlight

<D

Accoriding is

in JIB NO. 2.

®

The

location

to

the

RELAY

ELECTRICAL

® Check

<D

Turn

if

there

the

if

either

light

® Using a voltmeter, check

Negative

.

{

Positive (+) Probe

-4

-

(-)

Probe

Circuit

Fuse

to

@

of

JIB

LOCATIONS

WIRING fuse

is

power

control

...

. .

...

_ . . Pin

page.)

of

the

No_

is

blown_

to

pin No.8

switch

Good battery

No.8

circuit,

2 can

be

page

ROUTING

of

to

HEAD.

for

voltage

ground

terminal.

of

@ .

the headlight fuse

found

by

referring

just before

page_

@ .

as

shown

point

or

the

below.

negative

B

I eATTOIT 10

+

TAil

~

LOI<

~'"'~

"11;11

c;;;;~

FLASH

II

..

~

..

1

....

--

•

~;,

r--->-f--"'-''-------i

»'

---

'"

.

-,

'1'

Battery

No

Battery

rtl

..

,

L-tJNfAn

lH

CAUTION: I nsert connector. Consequently,

be in reverse order

the

(c) Check

<D

~.

@

12 l

2

~

IU-CI

I~._IZCJ

® Place the ® Using a

,-.

·

@

IIUIlAU

CIIIHML

20~3~

"ElAT

,

•

"

9~P

•

,$:~~

~

•

"j

~

~~

-

,

.

"

•

"

, "

Voltage No

Voltage ... . Probable defective ground past

Voltage No

Voltage

CAUTION: Do

not

result

in

(d)

Voltage

tester probes

From connector and 2 when the headlights

Turn

below. Negative

{

Positive

.......

........

check

damage

To

check th'e

LOW and

......

Voltage

if

there

the

.... Trouble

for

to

perform

...

of

that

is

power

circuit

that

light

control

dimmer

voltmeter,

(-)

probe

(+) probe

Trouble so

make good terminal and check

Trouble

continuity

the

tester .

low

Trouble

®.

Trouble of

®.

from

the ·

note

that

shown

ground

beam, place

the

in

to

the

we

can

there

are

switch

switch at

check

. . .

...

.

is

in

the

contact

point

is

past

is

before

while

check in

is

past pin

is

before

wi

re

harness side

the

illustration

headl ights.

see

that © is

is

power

at

high beam .

to

HEAD.

HI.

for

No.2 No.3

headlight.

with

negative lead

or

battery

for

No.2

pin No. 3

voltage

the

NO.8

No_

pin- numbers

.

the

from

voltage

of of

voltage.

of

is

applied

dimmer

same

as

connector © . connector © .

negative

©

of

© .

sequence.

of

8

of

the

will

headlight

No.3

to

shown

No.2 to

a

or

it

may

switch

at

©@

(e) Check ground

1 The ground

SET

BOLT

2 The location

be

found

ELECTRICAL

point

in

the

of

by

referring

is

indicated

circuit.

the

ground

WIRING

by

point

to

the

same

ROUTING.

the W JIB

on

the vehicle can

symbol W

No

. 1

in

-5-

B

HOW

" ,-,

JIB

'''''

..

'

''''

'M

' M

~

No.2

.

POWER

(Engine

p,-

HEAD

LH

HEAO

RH

ENGINE

RADIO

NO.

HAZ·HORN

TO

Room)

1

USE

SOURtE

H~ldlighl

LH

Hudlight RH

Alt~niltOr

.

C/w'ge lit,Jht

Fuel Cui Solenoid, Em

E8CV, CUH ReI.,-,

Radio a

nd

T""e

Ho

rn

Haza

...

:1

SIW,

THIS

(Power-load

L

Re

issoion

~

Player

Tum

Signa!

FIWo«

MANUAL

Refe

....

l~

14A-C1

Cotmul Com

S100r

Cui

2.

Inspection

Check

(a)

of

Common

battery

(b) Check related systems

Check

a

In

chart

how

system

listing

the

No.

components. related

only

to

Circuits

and

fusible I

ink

HEAD FUSE

1-1

(POWER

the

relationship

Here we can see

their

respective headlights.

is

between

that

the

to

the

system.

you

will find

the

fuses

and

HEAD fuses are

r

I

RELAY

: •

..

_ ...

--

LOCATIONS

___

-

,

"

Check

(c)

CD

m

®

Okay

the

In

system

circuits

the

battery

HAZ

·HORN

Turn

...

.

circuit

from

No. 1·2 (POWER

for

all fuses are listed.

and

lOA etc.

on

the

HAZARD

No

trouble

the

HEAD

switch

in circuit

battery

fuse

branches

up

to

the

HEAD FUSE.

SOURCE),

The

circuit

off

HAZ·HORN

tha

power

between

with

fuses

junction.

Bad

....

Trouble

. .

lies

between

fusible link

and

JIB

No.2.

.

~

(d) Check

(Return 1

2 Installation

3 Check

the

HEADLIGHT

to

HEADLIGHT page)

The

circuit

in JIB No.

to

the

RELAY

partment

CD

Turn

shows

2. of

the

RELAY

is

located

as

shown.

for

power

the

headlight switch

that

relay

LOCAT.IONS.

in

to

the

® Using a voltmeter,

RE

LAY

the

HEADLIGHT

can

JIB

No.2

headlight

to

check

be

found The

in

relay coil.

HEA~

for

voltage as

RELAY

by

referring

HEADLIGHT

the

engine

.

showm

is

com·

below.

,---------"

-6-

...

r---...

JIB

NO.2

Nagative

{

Positive

Confirm

(-)

(+)

Probe . .

Probe

that

there

..

....

. Pin No. 5

is voltage

No.4

of of

® .

<ill .

B

4

"8

2~

Next, and there See

If

check

is

power

step

l-(b)

no voltage,

if

the

headlight relay

to

trouble

the

lies in

points

No. B

of

the

headlight relay.

are closed

®

l

, ©

~ADlI&lll

(e)

..

27

~OUND

PClINTS

::'1" -

.""

Check

ground

The (GROUND

W

LIGHT

POINT

which point.

ground

is

used

SYSTEM, and

systems (components) have

points

POINTS). As shown,

for

W.

are

listed in system No. 27

other

components besides

it

also connected

GROUND

the

to

GROUND

the

POINT

HEAD-

same

COROLLA FR

~~

::;0;::.-

-,-

._'"

....

-

-.

-

,~

--

SYSTEM INDEX

=-

-'l

., n_

,.

~

A-~

..

(!til

H

&

"

,

.,

~

1967_,PoQe,,,,roge.,

SYST

....

C'j;ll .,

...

'_

........

---

--

§l.

"""

-if

'-OC~1"'"

,.

't:"

(f)

Check

the

1

2

(g)

Re-check

After repair,

Always down

how

the

HEADLIGHT

othe

r systems.

From EWD), we system DIAGRAM grid 7 and

By DIAGRAM, SYSTEM

TION NOTE:

The relationship between system shown diagram.

the

EWD SYSTEM

within

B)

referring

is

SYSTEM.

so

always

check

follow

the

possible range

can

find

the

at

the

back

.

to

we can

that the circuit functions normally.

the

steps described above

SYSTEM

INDEX

the location

ELECTRICAL

of

the

ELECTRICAL

see

that

to

the

TAIL

with

of

the

trouble

book

the

is

connected

(facing

of

and

circuits

.

the

headlight

WI

(Page 3 of

WIRING

HEADLIGHT

ILLUMINA

overall

to

first

RING

4,

is

not

wiring

narrow

·

-7-

C

TROUBLESHOOTING

SIW2

r

'-

,--,

:

~

/

'-t-

~

'-I

-:?-

Ohmmeter

-

(

~

L

0

,/

;;

~

To

IG

Terminal

Fuse

@

SIW ,

@

Relay

©

Solenoid

~

n

+ e

Ignition

S/W

Voltmeter

l±::

@Ve

T

--=

VOLTAGE CHECK

(a)

Establish conditions in

the

check

Example :

@@-

©-

(b) Using a voltmeter, connect the negative

good ground and ponent terminal. This check · test

CONTINUITY

(a)

Disconnect the no

voltage between

(b) Contact

check points.

Ignition Ignition Ignition

the

light

inst

AND

the

point.

SNJ on SNJ and SNJ, SNJ 1 and Relay

point

positive

ead

of a voltmeter.

RESISTANCE CHECK

battery

two

leads

which

SNJ

or

lead

to

terminal

the

check

of

an ohmmeter

1

on

negative

the

points

voltage

on

(SNJ 2

battery

connector

can

be

or

wire

.

is

present at

off)

lead

terminal,

or

done with

so

there

to

each

of

to

a

com·

a

is

the

SIW

~

-,

Ohmmeter~~~

Diode

'-I

-8-

-~-

Digital

Type

1'OoOU ....

<-..0

",,,.

a·

!"

<§~:

I~@'-~

-

..

-

~

I

~

II

-

-I-'

D{~+@

~

r

EEl

Analog

10

~

kn

e

Type

-@

If

the

circuit

again.

When conta

side and be

continuity.

When contacting

no

continuity.

(c)

Use a volt/ohmmeter V circuit

.

has

diodes, reverse the

ct

ing the negative lead

the.positive lead

the

two leads in reverse, there s

minimum)

.

for

two

to

the

negative side, there should

with

high impedance

troubleshooting

leads and check

the

diode

of

the

positive

hould

(10

electrical

be

knl

c

Test Light

Disconnect

\

Light

SIW 2

,-----...,

=

To

tG

Fuse Case

SIW 1

~Disconnect

r---1o,

Relay

Solenoid

Ignition SIW

Terminal

Short@

Disconnect

FINDING

(a) (b)

(c)

Example :

(d) Disconnect and reconnect

(e)

A SHORT

Remove

the

Connect a test lig Establish

@@-

@-

watching The light out.

Find

ing

the

blown

fuse.

conditions

Ignition Ignition Ignition Relay) and SIW 2

short I

stays

the

SIW on SIW and SIW 1 on SIW, SIW 1 and Relay

the

test light.

ies

between

lit

and

exact

problem

CIRCUIT

location

fuse and disconnect all loads

ht

in

place

of

the

fuse.

in

which

off

the

connector where

wire

along the

the

test

on

(or

Disconnect SIW 2)

the

connectors

the

connector

of

the

short

body.

light

(Connect

where

the

by

comes on.

the

light

lightly

of

the

while

test

goes

shak-

=

-9-

D

GLOSSARY

OF

TERMS

AND

SYMBOLS

,

-lEE-

---H

-

~

I

~

BATTERY

Stores

chemical

convertsit

Provides

auto's

various

CAPACITOR

A smal'!

storage

Capacitors with a

tion

sers.

CIGARETTE

An

element. loud audible signal.

CIRCUIT

Basically a reusable fuse. a circuit

breaker

much

Some

when

al

DIODE

A

current

holding

of

are

frequently

electric

BREAKER

will-

current

units

cool,

ly reset_

semiconductor

flow in only

energy

into

electrical

DC

current for the

electr

(Condenser) 2.

electrical voltage

LIGHTER

resistance heating

heat

flows

automatically others

and

energy.

ical circuits.

unit

for

temporary

ground

and

whicl:l allows

called

open

through

must

one

connec-

Conden-

reset

be

direction.

if

it.

manu-

$

cp

too

HEADLIGHTS

1.

SINGLE

FILAMENT

DOUBLE

,

FILAMENT

Ch

~

+

L

W

~

g

e

Current

fi

lam

A

headlight

single filament.

HORN

An

electric

I

GNITION

Converts

into

for

firing

flow

ent

to

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filament

device which

COIL

low-voltage

high-voltage ignition

the

causes

heat

up

may have

or a

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a headlight

and

emit

either

double

sounds

DC

current

plugs_

light.

a

(2)

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DISTR I BUTOR,

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igni

tion spark plugs.

FUSE

A

thin

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through rurrent circuit

from damage, against a

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LINK

A heavy-gauge wire placed in high ampe

rage circuits through protecting

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point

to

the

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return

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allows

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up

potential,

regulator

coil

when

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the

at

which wiring

s,

for an electrical circuit;

blocks

to

a specific voltage.

it

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individual

which

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which

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current

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to

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plays,

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mit

light.

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current

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of a comparable

instrument

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which

providing a relative display

background

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flow activates

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which provide

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le

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through

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without

displays.

causes'a needle

which

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to

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a relative or

converts

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diodes

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to

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circuit

specific value.

RESISTOR, TAPPEO

A resistor

.

or

more

resistance values.

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A

controllable variable Also rheostat.

which

11)

magnetic

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which

one

set

to

reduce

which

different

VARIABLE

rate

called a

an

electrica

may

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through

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of-contacts

component

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of

resistance.

potentiometer

lly

operated

be

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field

an

current

or

with

which

attached

or

with

to

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two

a

or

closes

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voltage

suppl ies

non-adjustable

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2.

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NORMALLY OPEN

NORMALLY

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waves

from

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circuits, stopping

allOl.1'

current

ing

flow.

which

thereby

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or

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switch

a

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of

which

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current

contacts

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continuous

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or

the

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ugh

one

other.

ly set

fi

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key

operated

several

t

~

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positions

various circuits, Particularly

primary operational.

switch

which allow

ignition circuit,

with

to

the

become

I (/\/V) I

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resistance

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SHORT

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IThermistor)

which with

ANALOG

close a switch

activation

Used

to

provide

connection block.

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ctromagnetic

crestes a

current etc

magnetic

flow.

.

varies its

temperature.

SPEED

to

create

of

other

an

within a junction

to

move

to

open

a signal

components.

unbroken

coil which

field

upon

a plunger.

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stop

switch

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electronic

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device

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when

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rel

at

ay;

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typically

rs

the

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stops

on the

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lines

on

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dot

the

junction

spliced (join.

connections.

to

r

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Luggage Room Light Light Retainer

Unlock Warning S/W, Seat Belt Relay

Sun

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Radio and Remote Cigarette Lighter, Digital Clock

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Back-up Light

OlD Relay,

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Toyota Corolla FR AE86L Series 1987 Wiring Diagram

Specifications and Main Features

Frequently Asked Questions

User Manual

FOREWORD

INTRODUCTION

TROUBLESHOOTING