1986 TOYOTA SUPRA heater

243
SEAT HEATER RELAY
(
FOR DRIVER' S SEAT)
SEAT HETER
(
FOR DRIVER' S SEAT)
HIGH MOUNTE D S TOP
LIGHT
REA R COMBINATION
LIGHT LH
DOOR COURTESY SW LH
LICENSE PLATE
LIGHT
BUCKLE SW LH
FUEL P UM PREAR SIDE MARKER
LIGHT RH
REAR COMBINATION
LIGHT RH
LUGGAGE COMPARTMENT
KEYUNLOCKSW
REAR SIDE MARKER
LIGHT LH
LIGHT FAILURE
SENSOR
FUEL PUMP ECU B9
B9
B3
B3
B3
B3
I7B6 B5
B6
B5B7 B7
BI BJ BM1 2BQ1 2 BO13
W±B
W±B
W±B
W±B
W±B W±BW±B W±B
W±BW±B W±B W±B W±B
W±B
W±B W±B
(
*
1)
W±B
(
*
1)
W±B
W±B W±B W±B W±B W±B
W±B W±B W±B W±B W±BW±B W±B W±B
W±BW±B
BP12*
1 : CANA DA
*
2:USA
*
6 : W/O STEREO POWER AMPLIFIER *
5 : W/ STEREO POWER AMPLIFIER *
3:2JZ±GTE
*
4:2JZ±GE
POWER SEAT CONTROL
SW(
FOR DRIVER' SEAT)
W±B

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

1234
8SUPRA
21
3 5 1B 2
21K 11 1I3
IH 3 5
5 6
1 2
3 1
2 12 1
3 2
1 2
8 20 10 IF3
10 IH1
2 15IH2
16 IF110 B2A
9A
5C TAILL IGHT
RE LA Y10A
PANEL
Right kick panel J1
JUNCTION
CONNECTORJ1
J UNCTI ON CONNECTOR
R8
RHEOSTAT
G4
GLOVE BOX
LIGHT SW
A29
ASHTRAY
ILLUMINATION
O5
A/T I NDICATOR I LLUMINATI ON
[O/D MAIN SW]
E8
ELECTRONI CALLY CONTROLLED
TRANSMI SSION PATTERN
SELECT SW
T8
TRAC OFF SW
S6
SEAT HEATER SW
ABB BB B B
21 B
A
3 B
BATTERY
G3
GL OV E BOX LI GHTH1 0
HA ZA RD SW RADIO AND PLAYER C7
CIGARETTE LIGHTER ILLUMINATIONH1 2
HE A TER CONT ROL S W
W± B
W±G
W±G
W±G
W±G
W±G WW± G W± G W± G W± G W± G W± G W± GG±O
W± B G G± OG±O G±O G±O G±O G±O G±O
G± O
G± O
G± O
G± O G± O G± O
B W± L
G±O G±O G±OG±O G±O G±O G±O G±O G±O G±O
W±G W± G W± G
W± G
W± B
G±O
(
*1)(
*1)W± G
(
*1) (
*2)(
*2)
(
*1)
ET *2 : w/o Ster eo Power Amplifier *1 : w/ Ster eo Power Amplif ier
1234 567
8 9 10 11 12 13 14 15A R6 RA DI O A ND PL AY ER
B R4
W± G G± OW± G
(
*2) (
*1) (
*2) (
*1)
1 1
2 2
2A 1
120A ALT 60A POWERT6
ODO A ND TRI P I L LUMI NA TI ON
[ TEL LT AI L LI GHT RH]From Combination
Meter< 25±8>
12 34
567891012
3456 R5 C
R4 B , R5 C ,R6 A
4
10 See Taillight
System< 7±1>
1ELeft k ick panel 1E 18
1J 1
W±B W±BILL± G±O G±O
G± O
2 2W C10
METER ILLUMI NATION
[COMB. METER]
12
13
Illumin ation Power
Source

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

1
234
21 SUPRA
IJ 4
1B 41E 21I14 1I9 IJ 81J 5
27ACC
IG1
ST1 AM15
4
1 2
1K 12
1J 11H 16
IC17
3BQ1
3 1
4 2
2 14BQ1
3 1
4 2
2 1 6IC1
2BQ1B WW± B W± BW± B VW±BW± B
B± R BB
BB W±BW±BW±B W±B W± B W± B
L
W± B LW± B Y Y± R
YB
Y±R L±R B±Y
P± L
WL±R G±W
C6
CIGARETTE
LIGHTER2
A24
1 4 62 1 5
S12
SEAT HEATER
(
for Driver' s
Seat) S14
SEAT HEATER
RELAY
(
for Driver' s
Seat)
6 KLS+ E ACC IG STP
BATTERYJ1
JUNCTION
CONNECTORS7
SHIFT LOCK ECU 15A
CI G10A
ECU± I G15A
SEAT± HTR
S1 5
SEAT HEATER REL AY
(
for Passenger' s Seat)
From Stop Light SW
<7±4>
K3
KEY I NTERL OCK
SOLENOI D
S6
SEAT HEATER
SW
S1 3
SEAT HEAT ER
(
for Pass enger' s Seat)
A1 I19
IGNITION SW
B
B Y± R
2A 12 2
1
1120A
AL T 50A AM1
(
for USA)
60A AM1
(
for Canada)
IH IE BIRight kick panel Left k ick panelP2 PP1
SL S± SL S+
G±R
G
G±W L L±R
SHI FT LOCK
CONTROL SWSHIFT LOCK
SOLENOI D
IG Left quar ter pillar Right kick panel 2 2
W
Power
SourseCigarette
LighterShift Lock
W± B
Seat Heater
(
for Canada)

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