1986 TOYOTA SUPRA horn

11 2
TURN SIGNAL AND HAZARD WARNING LIGHT
15A
HAZ±
HORN7. 5A
TURN
5 6
5 6
1 2
1 2 I3
I3
I2
B5
IE EB BI EA BJ IHA A 21E7
41C41C3 44IF1 12IF1 17
1H11
1H7
1A7
1A4 1E 19 1E14
B 6 A
B 7 IF1 4IB1 3
W W W
G±R W±R
R±B
G±B
G±Y R±B
G±B G±B W±BG±B W±B W±B
W±B
W±B W±B
W±B W±BR±B
G±B
G±Y
G±Y
G±Y
G±B
R±B
G±Y
G±B
G±Y
G±B
W±B G±Y
G±YW±B
W±B R±B W±RW±B
9 756 158
3 21FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
810 2
15 TURN LH
RHTB TL TR
HAZARD OFF
ONFTBB2TLB1TR HA ZARD S W H10
TURN SIGNAL SW [COMB. SW] C13
TURN S I GNAL
FLASHER
FRONT TURN SIGNAL
LIGHT LH F7
FRONT TURN SIGNAL
LIGHT RH F8REAR TURN SIGNAL
LIGHT LH
[REAR COMB. LIGHT LH] R9
REAR TURN SIGNAL
LIGHT RH
[REAR COMB. LIGHT RH] R10TURN SIGNAL
INDICATOR LIGHT
[COMB. METER]
JUNCTION
CONNECTORJ1 LH TURN RH BL
E
E2:2JZ±GTE
E18 : 2JZ±GEE2:2JZ±GTE
E18 : 2JZ±GEA C10 , C12B 1

129
HORN
13 22
22 2
10 1 1 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
W L±R L±R L±R
215A
HAZ±HORN
HORN
RELAY
HORN SW
[COMB. SW] C13H8 H9
HORN LH HORN RH 1
IB2 16
I2 L±R
L±B L±B
L±B TO THEFT
DETERRENT
ECUE2:2JZ±GTE
E18 : 2JZ±GEX
1011 C13 H 8 H 9BLACK BLACK BLACK
HORN RELAY
(2) 2±(2) 3 : CLOSED WITH HORN SW ON
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1328H 827 (2JZ±GE)H 927 (2JZ±GE)
H 824 (2JZ±GTE)H 924 (2JZ±GTE)
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 232ENGINE ROOM MAIN WIREI 238COWL WIRE
E1834ENGINE ROOM MAIN WIRE
SERVICE HINTS

131
*2 : 2JZ±GTE *
1:2JZ±GE
15A
HAZ±HORN
222 2
IB 2 16
IB6 19
IF2 14EA17
I2
IF26
I19 I21
ID1 7ID11IL19IL110 IL17IL12IL18IL112 I21I21
I21
B2 8 21
4 23
3 21 HORN SH
L1 UL1 UL12 LSWP ACT± ACT+ E
3 1
M 2
4
IH IL116 IL1 11
W±BL±RL±Y G±BW G±Y
W±B W±B W±B W±B
G±R R±W
G± R R±W G±Y
L±Y
G±BL±Y
G±B
W±L L±R L±R L±R L±RL±B
WW
W
W±L
W±L L±RW
FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
1
2 312
D16D13 D14 P8
L±R L±R
W±B
W±B W±B W±B
W±BL±Y G±BW G±Y R±WG±R R±W
G±R G±RR±W DOOR LOCK
CONTROL SW LH
[POWER WINDOW
MASTER SW]
DOOR LOCK
CONTROL SW RH
DOOR KEY LOCK AND
UNLOCK SW RH
DOOR LOCK MOTOR AND
DOOR UNLOCK DETECTION
SW RHUNLOCK
LOCK
UNLOCK UNLOCKLOCK
LOCK
THEFT DETERRENT ECU
L±Y G±B
TO HORN SW
[COMB. SW]
(
*2)
(
*1) (
*2)
(
*1) HORN
RELAY
W±L
W±L(
*2)
(
*1) (
*2)
L±R
THEFT DETERRENT
HORN T1
2 1
B2W±BI21
L±R
L±R II1 22
B 24 B11
B 5B8B16 B21 A2A3A4 B T7 ,T13A

Remote Control MirrorSeat Heater (for Canada)SRS (Supplemental
Restraint System)Shift LockStartingTheft Deterrent and
Door Lock ControlTurn Signal and Hazard
Warning LightUnlock and Seat Belt
Warning
HeadlightHornIlluminationInterior LightLight Auto Turn OffPower SeatPower SourcePower WindowPPS (Progressive
Power Steering)Radio and Player
ABS (Anti±Lock Brake
System)Auto AntennaABS and Traction ControlBack±Up LightChargingCigarette LighterCombination MeterCruise ControlElectronically Controlled
Transmission and A/T
IndicatorEngine ControlFog Light
5±417±325±321±11±416±8 (for 2JZ±GE)24±418±319±3
23±3 (w/ Stereo
Power Amplifier)
24±2 (w/o Stereo
Power Amplifier)1~26±120±312±212±411±28±310±3
13±321±29±214±31±27±4
Taillight
11±421±47±210±2
SYSTEM INDEX
Stop Light
248
Clock
20±315±8 (for 2JZ±GTE)
Electric Tension Reducer
20±416±3 (for 2JZ±GE)15±3 (for 2JZ±GTE)
Front Wiper and Washer
22±44±3 (for 2JZ±GE)3±3 (for 2JZ±GTE)
6±3 (for Canada)5±3 (for USA)
Ignition
9±42±4 (for 2JZ±GE)2±2 (for 2JZ±GTE)
Radiator Fan and
Automatic Air
Conditioning
26±3
Remote Window Defogger
and Mirror Heater
20±2
Rear Wiper and Washer
22±2
OVERALL ELECTRICAL WIRING DIAGRAM

OVERALL ELECTRICAL WIRING DIAGRAM
12
34
9 SUPRA
7ACC
IG1
ST 1 AM1 4
221J
1J 4
12 IF1 17 IF11E 14 1E19 1A4 4IF1 3IB1
7
1H
11
1H3
1C
7
1A
1C 4
IE4 44 2A
BI BJ EB1 22
22
16 IB2
10
1 2
EA IH15 B 6 A
7A 1B 41E
7 I19
IGNITION SW
H1 0
HA ZA RD
SW50A AM1(
for USA)
60A AM1(
for Canada)
120A ALT
15A
HAZ±HORN
7. 5A
TURN
B1 F TB TR B2 TL
OFF
ON
BATTERY
Left k ick
panelRi g ht k i ck
panel Front side
of left
f ender Lower
bac k
panel
center Left quarter
pillar
R9
REAR TURN SI GNAL
LIGHT LH
[REAR COMB. LI GHT LH] R10
REAR TURN SIGNAL
LIGHT RH
[REAR COMB. LIGHT RH]F7
FRONT TURN SI GNAL
LI GHT LH F8
FRONT TURN SI GNAL
LI GHT RH TURN SIGNAL
I NDI CA TOR L I GHT
[COMB. METER]
J1
JUNCTION
CONNECTORH8
HORN LHH9
HORN RHC13
HORN SW
[ COMB. SW]To
Theft Det err ent
ECU< 14±4>
C10 A , C12 B
HORN
RE LA YL±R
L±BL±R L±R
W± B W± B L±B L±B
L±B
G±Y
G±B
W±B W±B W±BW± B W± B
W± B W± B
G±B G±Y G±B G±Y
W± RR±B R±B G±Y G±B G±B
G± Y
B G±RW
W W
W W WL±R G±Y
G± B G±B
G± Y
G±Y
W± B
W±B R±B W± R
R±B WW
B±Y
A 6 6 10 8
5 8 1
RH
LHTB TR TL
21 2
2 22
31
55 5 6 9 7
1
1 1
3
A11 BL
E
W±B
13 9 8 7 6 5 4 3 2 1101112 1611 10 9 8 5 4 3 2 1 12131467 15 A C1 0 B L UE BC12 TURN SIGNAL I NDICATOR LIGHT
[COMB. METER]
TURN
SIGNAL
FL ASHERC1 3
TURN SIGNAL SW
[ COMB. SW]
LH RH
Fron t si d e of
right fender 12 2
WPower Source Turn Signal and Hazard Warning Light Horn
5

12
34
14 SUPRA
2222IJ 41B 21J51J8 7ACC
IG1
ST1 AM15
4
1B 4
1H 15 1E17 1E2
13 IF1
6IF2
13 ID119 IB6
11 IF2
9IF3 4IE1
4IB67ID1 1ID1
2 1
2 11 2
1K 12
1J 11D101B 5
1E 11
9 IL1 10 IL115IF2 16IF2 10IF2 14IF2
7IL1 2IL1
6 ID1 16 ID1 12 IL1 8 IL1
16 I L1 5ID1 11 IL1M M 7EA1
3ID1
L±W L±WB± RL±R
W
W± L
W(
*2)
W(
*1)
RW(
*1) WY
V±RG G±Y G±Y R±WG± R
W± L W±LW± L W± L
W± B W± B W± B W±B
L LV± R YW G± Y
W±B W±B W±B
W±B
R±WG± R G± R
R±W
3843
R± B G± WR± Y
L±OL±R L±R
L±O
R±Y
G±W
LGW L±WL±Y G±B G±B
L±Y L±R W± B
G± R R±WL±WL±Y L±RL±RW±B W± B W± B
L±W
1
12 21 23 21
14 21
32 43
L±R L±R W
W± B W± BG±Y
R±W
G± R R
P± L
B± Y
22 22 2
1
1
1 1 1
W
G±Y
W± B W± BL±Y
W±B
W± LL±R L±Y G±B
V± R
BATTERY
120A ALT
15A
HA Z± HORN
7. 5A DOME 60A POWER50A AM1(
for USA)
60A AM1(
f or Canada)U1
UNLOCK WARNING
SW
L3
LUGGAGE
COMPARTMENT
KEY UNL OCK SWE6
ENGI NE HOOD
COURTE SY SW 30A D00R 10A ECU±IG15A CIG
W± LUNLOCKLOCK UNLOCKLOCK UNLOCK
LOCK
UNLOCK
LOCK
D12
DOORKEYLOCKAND
UNLOCK SW LH P8
DOOR LOCK CONTROL SW LH
[POWER WINDOW MASTER SW]D1 4
DOOR LOCK CONTROL
SW RH D13
DOORKEYLOCKAND
UNLOCK SW RH D15
DOOR LOCK MOTOR AND DOOR
UNLOCK DETECTION SW LH D16
DOOR LOCK MOTOR AND DOOR
UNLOCK DETECTION SW RH
B
I19
IGNITION SW
LUG DSWH KSW UL3 L2 L1 UL1 UL12 LSWD ACT± LSWP ACT+ EHORN SRLY HEAD TAIL DSWD DSWL +B1 SH ACC IG +B2
R Fro m Horn Re la y
< 9±4>
From Starter Relay
<1±2>
From Headlight Relay
<5±2><6±2>
From Taillight Relay
<7±1>
To Door Cour tes y
SW LH< 10±1>
To Luggage Compartment
Light SW< 10±4>
*1: 2JZ±GE
*2: 2JZ±GTE
T HEFT DET ERRENT ECU
BJ EA I EFr ont side of
r ight f enderLeft k ick panel
W
IH Right kic k panel Lower bac k
panel center 2A 1T1
THEFT
DETERRENT
HORN
W
(
*2) (
*1)(
*1)
(
*2)(
*2) (
*2) (
*1)
Fr om
Integration
Relay< 11±2>
4IF3
2 3
IG
T5
THEFT DETERRENT
INDICATOR LIGHT
[TELLTALE LIGHT LH]1E 1810INDW±L W±B9
R±L R±L W±BW± BDS WP2
Ri g ht ki c k
panel
D11
DOOR COURTESY
SW RH
L±W
Fr om
Integration
Relay< 11±2>
G± B 2 1
22 II1
R±BIF2 3
2 2
W
2Power Source Theft Deterrent and Door Lock Control
W± B 9A 7A 8A 11B
9B 14B 19B 12B 20B 6B 22B 5B 8B 16B 15B 2A 21B 3A 4A1B 4B 7B 23B 10B 25B 24B 6A12 I F3
Y Y
To Power Ma i n
Relay< 12±1>PRLY12 3
456789
19 20 1 2 3 4 6 7 8 9 10 11
25 24 23 22 21 17 15 14 13 12 185
16B T13 ORANGEA T 7 ORANGE THEFT DETERRENT ECU
T7 A ,T13 B