1986 TOYOTA SUPRA engine

OVERALL ELECTRICAL WIRING DIAGRAM
1
2
34
20 SUPRA
7ACC
IG1
ST1 AM15
4
1J 51B2
1J 4
222
441C 7
21
53
5IC21BO1
8IF11H 12 1K7
44
2A
11A
1B
1C 1B 4R
P±L
B±Y
B
W± LWR
WY W± L W±LB B
B BBB B
P± LR
BB±W
B
I19
IGNITION SW
30A DEFOG
10A GAUGE
REAR WINDOW
DEFOGGER
RELAY10A
MI R± HT R
60A POWER 50A AM1(
for USA)
60A AM1(
for Canada)
120A ALT 7. 5A DOME
BBATTERY
N2
NOISE
FILTERNOI SE
FIL TER
REAR WINDOW
DEFOGGERR1 8 B , R19 C
To A/ C Amp li fi e r
< 26±5>NOI SE
FIL TER 1N3 A 6BM1B
2 1
3 5
1E 61E21E11 1I31E17 1C61K13
1H 4 1D 11B
1J
IJ 1
IE IHBI IG 1D 1013 IL13IF1
10 IF3
16 IL114 I I1 4 II 1
2 1
2 1 22
111 2 6 5
4 3 524
2 211
2 3 1
A ASPD E SOL ± SOL+11
1K
32 I I1
G± OL±RR G± OP W±B LG±R LG±R
LG±R LG±R B±R B±R
W± B W± B
B±W B±W
W±B
R±Y G±O
W± B
L±R L±R
W± B
W± B W± B L±RTo Eng i ne
Contr ol Module
(
Engine and
Elec tr onically
Co nt r ol le d
Transmission
ECU)
<3±7><4±7>
10A
ECU±I G 10A
PANEL 15A
CIG
B
L±R From Telltale Light RH
< 25±1>
P4
PPS ECU
B±R
C8
CLOCKT1 2
RH
TENSION REDUCER SOLENOID
T1 1
LH
D8
DI ODE(
f or I dle±Up)
R1 7
RH
MI RROR HE AT ER
[ RE MOT E C ON TR OL MI RR OR ]
R1 6
LH
J1
JUNCTION
CONNE CTORG±O
1 1 1
1 22 22
Ri gh t ki c k
panel Left quarter
pillar Right k ick panel Left kick panelSee Taillight System
<7±1> TAILL IGHT
RE LA Y 8 5
1 A N3 NOISE FILTER
L±RR± Y
W± B
W± BB6
LHB7
RH
P1
PPS SOLENOIDBUCKLE SW
REAR WINDOW DEFOGGER
B R1 8 GREE N CR1 93
4
11 22 2
W
W
Electric Tension
Reducer PPS(
Progressive
Power steering) Clock Rear W indow Defogger
and Mirror Heater Power
Source
1 2

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
25 SUPRA(
Cont. next page)
7ACC
IG1
ST1 AM1 4
1J 41E11
221J 5
1E 12
1B 41B5
IF25 II1 1125 II18II1 2 II1 23 II1
1
See Theft Det err ent
and Door Loc k Contr ol
System< 14±2>
See ABS and
Tr act ion Cont rol
System< 19±4>
See Engine Contr ol
Syst em< 3±3> < 4±3>
See ABS Syst em< 18±4>
See ABS and Tract ion Cont rol
System< 19±4>
MALFUNCTION
I NDI CA TOR L AMP
(
CHECK ENGINE)
OIL OIL
LEVEL TRAC OFF SECURITY
ABS V1 0
VEHI CLE SPEED SENSOR
(
SPEED SENSOR)
NO. 1
(
for Combination Meter)
Se e Th ef t
Deter rent and
Do or L ock Co nt r ol
System< 14±2>
See Inter ior Light
System< 10±1> See Unlock and Seat Belt
Warning System< 10±1> See Taillight System
< 7±3> See Ch arg in g
Sys tem< 1±4> See Illumination
System< 8±4>
See SRS
(
Supplement al
Restraint Syst em)
< 13±3>
OD O A ND
TRI P
CHARGE
REAR
LIGHT
SEAT BEL T
DOORSRS
10A
GAUGE
50A AM1
(
for USA)
60A AM1
(
for Canada)T6
TELL TAL E LIGHT RH I19
IGNITION SW
120A
ALT7. 5A
DOME
To PPS ECU
< 20±3>
To A/C Amplifier
< 26±5>
To Engine Control Module
(
Engine and Electr onic ally
Cont rolled Transmission ECU)
< 3±7> < 4±7> < 15±2> < 16±2>
To Cruis e Contr ol
ECU< 17±3>T5
TELLTALE LI GHT LH
BATTERY
P PP
P P P B±YYY
L±R R±GY
L±W Y±GY
R
R± G
R± YL±RR Y
R
W Y Y
R
W Y±GR±GL±RY
P BR
B±Y
B PPBR L±W L±RY
L±RYR
Y± B Y± B R± G
R±Y
02
OI L P RE SS URE
SW 14 16 18 6 7 4 3 5 1 8 9
1 1 12 1
3 10 6 2 15 2 4 10 5 11 3 12 1 8
2
22
COMBI NATION METER
13 9 8 7 6 5 4 3 2 1101112 139 8 7 6 5 4 3 2 1101112 B C1 0 B L UE CC11 BROWN 2A 1
IFLeft k ic k panel16 11 10 9 8 5 4 3 2 112131467 15A C1 2 2
2
W
Power SourceCombination M eter

5
678
25 SUPRA(
Cont' d)
11B 4B 14A 9B 13A 16A 6A 2A 3A 15A 6B 1C 4C 10C 6C 7C 8C 11C 12B 13B
3C 13 C 7B 12 C 2C 7A 1A 10B1B2B 5B 8A 9A 8B 10A 11A13 IF2
33 II1 24 II1 19 II1
5BP1 3BP1 1BP1
2 1
IF1
EB I H 14 IB2 1 IE1 2 IE1 3 IE115 IF1 29 II 1
ECSee Electronically Controlled
Transmiss ion and A/T I ndicator
System< 15±6> < 16±6>
See Illumination
System< 8±4>
See Tur n Signal
and Hazard Warning
Light Sy stem< 9±3>
See Headlight
System< 5±3> < 6±4>
See Cruise Control
Sys tem< 17±2>To Rheostat< 8±4>
See Electr onic ally Contr olled
Tr ans miss ion and A/T I ndic ator
System< 15±6> < 16±6>
See ABS and Traction
Control System< 19±4>
L
2
D
N
R
P
MA NU
O/D OFF
TURN RH
TURN LH
HIGH BEAM
TRAC
CRUI SE
BRAKE
SPEEDFUEL FUEL TACHO MASTER
From Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
<3±7>To Igniter< 2±4>
From Park/Neutral Position
SW(
Neutr al St art SW)(
A/T)
<1±3>
From Clutch Start SW(
M/T)
<1±3>
DELAYBULB
CHECK
RELAY
E7
ENGINE OIL
LEVEL SENSOR
E4
ENGINE COOLANT
TEMP. SENSOR
(
WATER TEMP. SENSOR) F1 4
FUEL SENDERFrom Daytime Running
Light Relay(
Main)
<6±1>
Fr om Day time Running
Light Relay(
Main)
<6±2>
P5
PARKING BRAKE
SWJ1
JUNCTION
CONNE CTOR
B2
BRAKE FLUID LEVEL
WARNING SW
BR±WW± B
BR±W
B B±W
B±W(
*2)
B± WW± B W± B
W± B R±W(
*1)
BR±W(
*2)
R± W
BR±W
B±W
BR BR
G BR Y± L Y± GY± BBR BR
Y±B
Y±G Y±GY±BBR
Y±L
GBRBR
R±GR±Y
L±R L±W Y±GY
B± W(
*1) Y
Y± G
L±W
L±R
R
R±G
R±YB± W(
Canada)
B± W(
Canada)
BR±W BR±WB±W(
Canada)
BR±W
BR±WDIODE
(
*2) (
USA
*1) (
US A)
(
Canada)
(
Canada)(
US A) (
USA)(
*1)
112
ILLUMINATION
*1: 2JZ±GTE
*2: 2JZ±GE
WA TE R
TEMP.
A A 123 COMBI NAT I ON MET ER C10 B , C11 C , C12 A
Fro nt s id e of
intake manifoldLeft kick panelRight kick panel Fr ont side of
left fenderG± O
Fr om ABS ECU< 18±2>
Fr om ABS and
Tr act ion ECU< 19±7>
From Tr act ion ECU
< 19±8>
BR± W
BR±WBR±W
Fr om ABS and
Tr act ion ECU
< 19±8>
R± WR± W
(
*1)(
*1) Y±G
To Generat or
(
Al t e rna t or)
< 1±4>
A
1
2 4 4
Combination M eter

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
26 SUPRA(
Cont. next pa ge)
7ACC
IG1
ST1 AM15
4
6 1
5 2
3
2 1
3 5
4
2 1
5 33 4
1 2
1 2
M
1 2
M
2 3
1 2 1E 13 1J4
22 2222 22 1B 21B4
222 221A 51K2 1J 5
10 IF1
1IB4
3IB2
3IK12EA1
5IF1
2A
EB IG EB2B 1B 1A 3A 2A
1 2
M1IK1 2IK110 II1 EA11
4IG116
IG113
IG115
IG114 M
IF313 BATTERY
120A ALT 60A POWER 50A AM1(
for USA)
60A AM1(
for Canada)30A FAN 50A HTR HEATER
RELAY A/ C MAGNETI C
CL UTCH REL A Y A3
A/C SINGLE
PRESSURE SWE5
ENGINE COOLANT
TEMP. SW
(
WATER T EMP. SW) R1
RADIATOR
FAN MOTORA2
A/C CONDENSER
FAN MOTOR
BLOWER MOTOR
CONT ROL REL AY
B3
BL OWER MOTOR
10A ECU±B R3
RADIATOR FAN
RELAY NO. 2
I19
IGNITION SW7. 5A
HTR
R2
RADIATOR FAN
RELAY NO. 1
To Engine Contr ol
Module(
Engine and
Electronically
Controlled Tr ans miss ion
ECU)
< 3±7> < 4±8>
A4
A/C MAGNETIC
CLUTCH
W± RW
W± LW W±RB B R±L R± L R± L B± YLR±LL±B L±B
W± B W± B
W± B
L L
L±RL±W L±W
L±R W±GL
R±L R±L W±BL±R
R± L W± R(
2JZ±GTE) R± L(
2J Z±GTE)
BBR BR W± BLL
W± B L W±B W±B
W± B
L±WL
L
L±W
L
LW± B R±LW±B
W±B
L±B W± R(
2JZ±GTE)
R± L(
2J Z±GTE) P±L
B±Y
R± LR±L
G±R
G
GR GRG G± RR± L P±L W± R
R±L R±L
FRESH RE CI RC A24
A I R I NL ET CONTROL
SERVO MOTOR
L
L±W
L
W±B W±BL±R W± G
(
2JZ±GTE)
R±L
(
2J Z±GTE)
22 2
2
2
111
112
5
3
4 A/ C AMPLI FI ER
1234 567
8 9 10 11 12 13 14 15 16 17 18A ORANGE
4
12 13 14 15 16 123 5678
9 1011 17181920B ORANGE
1
234 5678
9
10 11 121
3 2ABLACK
1
2 BBLACK
A ORA NGEBL OWE R MOTOR C ON TROL RE LA Y
HE ATE R CONTROL S W
13 14 15 16 17 18 1920123 45
6 7 8 9 10 11 12 13 14B ORANGE
B+B
M+ M± GND S1 1
Fr ont side of
left fenderRight kic k panel12345 6789
10 11 12 13 14 15 16 17 18 19 20 21 22C ORANGE A1 2
A1 3
A1 4
B4 B5
A/C DUAL PRESSURE SW
1
23
412 A A 3 BLACK BA3 GRAY
B4 A , B5 B
H12 H13 22
2
W
W
W± B
Fr ont side of
lef t fenderEAFront side of
r ight f ender
W± B
Radiator Fan Automatic Air Conditioning Power Source

5
678
26 SUPRA(
Cont' d)
1J 8
1E 2
6 IF3 6 IG1 1 IG1 7 IG1 11 IG1 3 IG1 8 IG1 2 IG1 9 IG1 7 IF3
20 II 11 2
1 2
2 1
5IG1 3IB6 1 2
1 213 B 9B 2A 17 A 5A 6A 22 C 9A 3A 1A 18 A 7A 16 A9A 10 A 2A 11 A 7B 2B 13 A 9B 10 B 1B 16 A 12 A 17 A 14 A 4A 3A 15 A 7A 11 B 12 B 4B 3B
8C 9C 10 B1A 6A18A5A6B
6B 21 C 14 A 15 B 16 B 7C 17B 20B 19B 20C 7B 11A 18B 8B 16C 4C 10C 11C 1C 2C 6C 17C 18C 19C 12C 15C 14C 3C 13C 1B 4B 3B 2B 8A 10A 4A 11B
IH IG1426 II 1
11 IB6
EAM 12 I B629 II1 31 II1
8IF3
To Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
< 3±6> < 4±8>
From Engine Contr ol Module
(
Engine and Electronically Controlled
Transmission ECU)(
2J Z±GTE)
<3±7>
From Igniter(
2J Z±GE)
< 2±4>
A/C DUAL
PRESSURE SW
A2 6
AI R VENT MODE
CONT ROL S ERVO MOT OR
E1 1
ENGI NE COOL ANT TEMP. SENSOR
(
WATER TEMP. SENSOR)
(
for A/ C Syst em) A1 5
A/ C EVAPORATOR
TEMP. SENSOR A4
A/ C LOCK SENSOR
[A/C MAGNETIC CLUTCH]A1
A/C AMBIENT
TEMP. SENSOR A16
A/C ROOM
TEMP. SENSOR A17
A/C SOLAR SENSOR
A2 5
AI R MI X CONTROL
SERVO MOTOR
J1
JUNCTION
CONNECTOR TSET
VER1 GND S5 SW1 SW2
TS SW3
TR SW4
TAMSW5 SW6
LOCK±I NSW7
SGL±LO L±M1 L±M2
AMH AMC TP TEL±M3 L±HI
L±A/C L±FRS
L±REC L±MAUTO
L±FACE
TW AOD AOF TPOL±B/L
L±FOOT L±F/D
L±DEF L±RDEF IG RDEFGR SPEED +B ACC AI R
AIF AIM/AMOUT
A/C±I N HR BLW PSW IGN MGC15A
CIG
From Telltale Light RH
< 25±1> From Rear Window Defogger
Relay< 20±1> HEATER CONTROL SW
Rr±
DEFOGDEF F/D FOOT B/L FACE AUTORE C/
FRSA/ C FAND± F AND+ OFF
WARM COOL
M
DEF FACE COOL WA RM
A 5 4 5 4312 312
AA
L±Y L±Y L±Y
L
L±W
LW± B B±WL±R LGW Y±L LG±RL±Y G±WR± YVV
R± Y
G±W
L±Y
LG±R
Y±L
W
LGBR±WV±W
V±W
V±W
V±W
BR±W
B±WL±RV± W V± W V±W V±W P±B
G±Y
V±W G±Y[P±BY±L Y±G BR± WW± B W± B W±B W± B W± B
V± W BR±W
BR± WBR±W W± B
BR± W
L±B
V±W
P±B
Y±B
L±R
G±W
R±W
W± L
LG±R
R
P±B
B±W
P
LG
B
GR
LG±B
R± B
G
BR± W
Y
BR
R± Y
V
R± L
B
P
W± R
L±R
GR P± L
W±R
P± L
R±L
G±R
G
R±L R± L
V± W V±W V±W V± W
BR± W BR±W V±W L L±W
V±W V±W V±WV± WBR± W
V± W V± WW± B
P±B
R±L
L H12 A , H13 B
A/C AMPLIFIER A12 C , A13 A , A14 B
Fro nt s id e of
right fender4A 2B 1A
1B(
*2) (
*1) (
*2) (
*1)
A3 A , B
Right kick panel*1: 2JZ±GTE
*2: 2JZ±GE
2 1
Radiator Fan Automatic Air Conditioning