Toyota Corolla FR AE86L Series 1987 Quick start guide

FOREWORD
This wiring diagram has been prepared to provide information
on the electrical system of the 1987 TOYOTA COROLLA FR
AE86L series.
All information in the manual is based on the latest product
information at the time of publication. However, specifications
and procedures are subject
to change without notice.
TOYOTA MOTOR CORPORATION

1987 TOYOTA COROLLA FR
ELECTRICAL WIRING DIAGRAM
© 1.986 TOYOTA MOTOR CORPORATION
All rights reserved. This book may not be re-
produced or copied , in whole or in part, without
the written permission of Toyota Motor Corpora-
tion.
INTRODUCTION ...•......... • •........ .• ....•..
HOW TO USE THIS MANUAL ... ..... . ..•..•..•..•
TROUBLESHOOTING ..•........•. ; • .. ... ...• . ..
GLOSSARY OF TERMS AND SYMBOLS • .••• •• •..•••
POWER SOURCE .•..•.. . .. . ... • ..•. . ••. . .. • .•..
STARTING AND IGNITION SySTEM ..•..•.. •••...•
CHARGING SYSTEM ...•........ •..•..•..••...••
EFI SYSTEM ••••.. • ••..•••••...•..•.•...••.•.••
EMISSION CONTROL •... ... ...•••.. . ....• •• . ..• .
IDLE·UP
•.••.•.•.•...•..•....•••. .• ..•• • .•.••.
HEADLIGHTS . .... .. . ........ . .......... . ....•.
STOP LIGHTS ...•• . ...........•................
TAILLIGHTS AND ILLUMINATION ............... .
BACK·UP LIGHTS . ... . . . .. . .. . . ................ .
INTERIOR LIGHTS . . .. . .. . . ....• .. . .. ..... .. ....
TURN SIGNAL AND HAZARD WARNING LIGHTS ....
LIGHT AUTO TURN OFF SYSTEM . ...... ... • ......
FRONT WIPERS AND WASHER ....... ...... .•....
REAR WIPER AND WASHER ....•• . ...... .. • . ... •.
OVERDRIVE ... • .. . .. •...•. .. . . .... . . ... .. ... • .
SEAT
BELT WARNING ... . ; ... : .............•...
POWER WINDOW .... • ...•......•...............
REAR WINDOW DEFOGGER .... . ......•..........
REMOTE CONTROL MIRRORS ................... .
CRUISE CONTROL .. ..• . . • .............. • .......
CIGARETTE LIGHTER AND CLOCK ........ . .. . .. .
SUN ROOF .... . ......... ..... ....... .•........
..
..
..
..
-
=
..
..
-
-
..
-
..
..
-
..
..
..
..
..
..
..
-
..
RADIO AND HORN ............................. ..
COMBINATION METER. . . ... .. . . .. . . . .. . . . . . . .. . ..
AIR CONDITIONER. . . . . . . . . . . . . . . . . . . . . . . . . . . .. ..
GROUND POINTS .......................... . .. " ..
RELAY LOCATIONS. . . .. . . . . . . . .. . . .. . .. . . .. . .. _
ELECTRICAL WIRING ROUTING. . . . . • . . . . . . . . . . .. _
OVER ALL ELECTRICAL WIRING DIAGRAM. . . . . ... _
- 1-

I
I
!
i
I
I
·1
1
I
i
A INTRODUCTION
This manual is co~posed of the fo ll owing 5 elements .
-2-
Power Source
Circuit from
battery to
each fuse .
Components
System Circuit
Each cireu it
classified by
system
Ground Po i nts
Relation between
ground points of
each component
Relay Location
& Wiring Routing
Relay & Connector
location
Over all Wiring
Diagram
Shows relation
between each
system
System Circuit
Connector
Illustral:ion
0-
EE3QIm
®
~I
®
liILJ')illi1
lID
r---o
1m ®
Circuit
~
@
HEADLIGHT
lH
2 I
® ~
@-
~
~
d:b
® ® ®--
g i @
..
~
Connector
@
(Wire Harness Side)
®
"-' - - '''' '-
.- ,-_ ..... -
J;;:~- -
. - -- '---
Location
® Headlight LH
(
Wiring routing com- )
ponents listed in
alphabetical
order
~'~~~2 ~2C : .
2C
I
I
I
I
I
<m Engine Room Main
Wire &
Junction
Block No . 2
I
I
Junction Block. No.2 1
%
,
~
I (Wire Harness Side)
Note: The number indicates the number of the
junction block.
Male Male
• E Female
Wire to Wire Connector Female Male
II] Engine Room Main
Wire & Cowl Wire

A
14 ~ REAR HINDDH DEFDGGER
@- ------i>
@- --"""'"
®--
@PinNumber
Numbered in order
from upper left to
"lower right
~
~
Female
'"
DEfOG
CB
Numbered in oder
from upper right to
lower left
~
.D:E
Male
@Male & female connectors distinguished by
shape
of their internal pins.
• All connectors are shown from the open
end, and the lock is on top.
© Connector Color
Connectors not indicated are milky white
in color.
ABBREVIATIONS
The following abbreviations are used in this manual.
OEFDGGER RELAY
CLOSED NITH IGttITICIN SIll AT 1& POSITIClH ".- -- -@
AMO OEfOGGff'l SI lt ON
@@SLACK ""<~----- --©
@Indicates circuit in Junction Block No.3 .
Example:
)
1C indicates
that it is inside
Junction Block
No.1 .
@Troubleshooting Hints & Components Operation
®Wire Color
Wire colors are indicated by an alphabetical code .
B ; Black L Light Blue R ; Red
BR;
Brown
LG;
Light Green V ; Violet
G ; Green 0 Orange W ; White
GR; Grey P ; Pink Y ; Yellow
The first letter indicates the basic wire color and
the second letter indicates the color of the stripe.
Example: R-G
I$) I
I{
I
Red Green
AIC ; Air Conditioner IIA ; Integrated Ignition Assembly
RH
; Right-hand
AfT ; Automatic Transmission JIB ;
Junction Block S/W ; Switch
CB
; Circuit Breaker
LH
; Left·hand VSV ; Vacuum Switching Valve
CMH
Cold Mixture Heater OlD
; Overdrive WI ; With
FL
Fusible Link OVCV ; Outer Vent Control Valve W
IO
; Without
-3 -

B HOW TO USE THIS MANUAL
To better understand how to use this manual, let's assume that the headlights will not light, and go through
an actual troubleshooting procedure.
-4 -
CONFIRMATION OF TROUBLE
Turn on the headlight switch and check for yourself that the headlights do not come on .
READ THE CIRCUIT DIAGRAM
1. Locate the headlight system number in the index and open the manual to the page indicated.
(The system
number is written in bold at the top corner of each page).
2. Read
the circuit diaQram to learn how it works.
3.
Unfold the ELECTRICAL WIRING ROUTING page at the back of the manual.
.. 1- ~ I"t1NEfI SOURCE
~ ,,, """S1
i~', .J .. :"" ~r9" "" "
•
,
")';"'~'"
'1b~!
'-::l:I , 1;<1.., - _
JIB No .2
In side
11:/0 ••
lOA
HE .... O lH
PINPOINT THE TROUBLE
If the circuit is in common with others (power circuit or ground
point), problems will occur in some of the others also.
Please refer to POWER SOURCE (System No, 1-2). Since the
headlights are related to the HAZ-HORN, check this circuit.
Okay . .. . .. Trouble lies within the headlight circuit.
Bad ........ Check circuits in common.
1. Inspection ot' Headlight Circuit
(Return to HEADLIGHT page.)
(a) Check Headlight Fuse
<D Accoriding to @ of the circuit, the headlight fuse
is in JIB NO . 2.
® The location of JIB No_ 2 can be found by referring
to the RELAY LOCATIONS page just before the
ELECTRICAL WIRING ROUTING page_
® Check if either fuse is blown_
(b) Check if there is power to pin No .8 of @ .
<D Turn the light control switch to HEAD.
® Using a voltmeter, check for voltage as shown below.
{
Negative
(-) Probe ... . . Good ground point or negative
.
battery terminal.
Positive (+) Probe ... _. . Pin No.8 of @ .