1986 TOYOTA SUPRA wiring diagram

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
1
234
2SUPRA
2IG2AM2 3
IJ11IJ19
4IB1
2
2A2 1
2 1
2 1
2 1
2 1
2 1
2A 6B 5B 4B 10B 11B 12B
1A 1B 2B 3B 9B 8B 4A3A 7B2 1
2 1
ECEC +B IGC1 IGC2 IGC3 IGC4 IGC5 IGC6
TACH IGT1 IGT2 IGT3 IGT4 IGT5 IGT6 IGF+B
IGTEXT
IGFC±
N E G1 G2 G± IGNITER
I6
IGNITION COIL NO. 1 I7
IGNITION COIL NO. 2 I8
IGNITION COIL NO. 3 I9
IGNITION COIL NO. 4 I10
IGNITION COIL NO. 5 I11
IGNITION COIL NO. 6
IGNITER
D4
DI STRI B UT OR
N1
NOI S E
FIL TER
To Dat a Link Connector 1
(
Chec k Connector)
< 3±3>
To Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
<3±5>I5
IGNITION
COIL
N1
NOISE
FILTER
To Engine Contr ol Module
(
Engine and Elec tronically
Controlled Transmission ECU)
<4±7> To Tachometer
[Comb. Meter]
< 25±6>To Engine Control Module
(
Engine and Electr onic ally
Cont rolled Transmission ECU)
<4±7>
Fr ont side of
intake manifoldFront side of
intake manifold
BR BR B R W
R±Y
R± WBR
BR
R±Y
L±O
P± B
GR±G
GR±B
B± O
R± W
G
B± OL±YY Y± B Y± G Y±R
B B±O
B±O
B±O
B±O
B±O
B±OB±WB±R
B± O
B± OG B± O
B± O
W±R W±R B±O
B
B±O B±O(
2J Z±GE)
B± O B± O(
2J Z±GE)
B±O
B±O B± O B±O B±O B±O B± OB± O
B±OB±O I19
IGNI TION SW
IGNITER
12
34A I2 BLACK
1 23456
789 111210 B I3 BLACK
(
2JZ±GTE)
1234
30A
AM2
BATTERYGND21
B±O
I2 A ,I3 B
112345C I4 BLACK3C 4C 5C
2C 1C I4 C
B±W
To A/C Amplifier
< 26±5>
B±W
1 2
To
Data Link
Connec tor 1
(
Check Connec tor)
< 4±2>B±W
Power Source
Ignition(
for 2JZ±GTE)
Ignition(
for 2JZ±GE)

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
3SUPRA(
Cont. next pa ge)
7ACC
IG1
ST1
IG2 AM1 4
8
3 2AM2
2 1
5 3 5
2 1
2
2 1J 4
22 22
224EA18EA15EA2
11IC2 12IC2 7IC2
2 BP15 4
M 6 BP1 9IJ1
4IB1
4 IJ1 12 IJ1 8 IJ1 IC210IJ16
IJ15
IJ117
IJ113
IF17
EA22 1B 4
22 22
EB BI1 2
1 2
1 2
1 2
1 2
1 2
Left quarter pillar Fr ont side of
left fender
120A ALT30A EFI NO. 2 30A EFI NO. 1
30A AM2
50A AM1(
for USA)
60A AM1(
for Canada)
15 II113 I I1 13 I J2 1J 51J31J6
1E 12
IJ118
ED Rear side of
intake manifold10A GAUGE7. 5A IGN7. 5A ST
B±O
B±RL±O
W± B
B±R L±RO W P±B V±G
L±BBRLG P± GY± L GR±R
L±RY±L
P±G
LG
L±B
B±R W± B8 562
15 16 22 1523 8 12 9 110 174 14
128 3 7 2
1 5
L±R
G
V± W
LW±BV± WGR± L YL
Y±LLG
L±R
G
V±W
L±OV± GB±Y B±YB±R
B±R B±R
B±O
B±Y
GR
B±W
B±YGR
B± Y
L±O
W± R W±R
WWB±OB± Y B±Y B±R
B± O
B± YW±B
3EFI NO. 2 REL AYEFI MAIN RELAY
(
Shor t Pin) EFPCDIFP
AB
OX2 TS
WA WB
F1 4
FUEL PUMP
D5
DA TA L I NK
CONNECTOR 2
(
TDCL)
D1
DA TA LI NK
CONNE CTOR 1
(
CHECK
CONNE CTOR)From ABS
Solenoid
Rel a y
< 19±2> ECT A/D TRC TC ABSFrom O/D Ma in
SW< 15±5>
Fr om Cr uise
Cont rol ECU
< 17±2>
From Traction
ECU< 19±4> From ABS and Traction
ECU< 19±7>
From Cr uise Control
ECU< 17±2>
From Center Air bag
Sens or As smbly< 13±3> Fr om ABS and Trac tion
ECU< 19±8>
W E1 ENGTE2 TE1TT
I19
IGNITION SW
F15
FUEL PUMP ECU +B
AB
234876 1
L BRR G B± YWR±B
R
R± W
R± G
R± Y
R± L
W± B
W± B
W± B
B B± R V±WG#10 #20 #30 #40 #50 #60S1
SFI RESISTOR(
EFI RESISTOR)I12
INJECTOR NO. 1 I13
INJECTOR NO. 2 I14
INJECTOR NO. 3 I15
INJECTOR NO. 4 I16
INJECTOR NO. 5 I17
INJECTOR NO. 6 (
SHI EL DED)
BATTERY+BFrom Center
Airbag Sens or
Assembly
< 13±3>
193
42LG P± GY± L GR±R(
A/T) B±R B±OGR B±W(
A/T) B±YW
BR BRBR
BR
W L±BL±BBR BR
B±OB
B T5
MAL FUNCT I ON I NDI CA TOR
LAMP(
CHECK ENGINE
WARNI NG LIGHT)
GR ±RY±L P±GLG
IG±(
SHI EL DED)
3 TE1 +B OX1
(
SHI ELDED)
(
SHI ELDED) R± L R± Y R± G R±WR R± B B± R V± WG L±B R± LBR
BR L±BBR
From Igniter
<2±2>
From ABS and
Trac tion ECU
< 19±7>
FP E1 1
1 111 2
222 2B±Y
B E 9 DARK GRAYA E1 0 DARK GRAY ENGINE CONTROL MODULE
(
Engine and Electr onic ally
Controlled Transmission ECU) 1E 81K4 5IB1
2A 1
From Center Airbag
Sensor Assembly< 13±3>
From ABS an d
Traction ECU< 19±8>
From Cruis e
Con t r o l E CU< 1 7± 1> P±B
11TC
From ABS and
Trac tion
ECU< 19±4>
13
VF 1
B± R Y
B±Y
2 2W
(
A/T)
Engine Control(
for 2JZ±GTE)
Power Source
(
A/T)

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
4 SUPRA
(Cont. next page
)
7ACC
IG1
ST1
IG2 AM1 4
8
3 2AM2
1J 41E 8
22 2
2
2 4EA18EA13EA3
11 IC2 12 IC2
2BP17IC26IJ1
4IB1
4IJ1 12IJ1
9IJ18IJ1 6BP1
5IJ117 1J113 IJ1 7 IF1 1J 3
2 1
3 5
22IC210
IB15
5 4
M
1 2
1 2
1 2
1 2
1 2
1 2
BI EB4IC1 12IC1
18 IJ1 4 IJ2 14 IJ2 20 I J1 5 IJ 2 1J 5
8IC11E 12
ED II1 1510 IC1 9 IC1 1B 4I19
IGNITION SW
F1 5
FUEL PUMP ECUD5
DATA LI NK CONNECTOR 2
(
TDCL) Fr om ABS ECU< 18±4>
From O/D Main SW
< 16±5>
From Center Airbag
Sen sor As sembl y
< 13±3>
7. 5A IGN
50A AM1 EFI MAIN RELAY
30A AM2
120A ALT30A EFI NO. 1
BATTERY I12 INJECTOR NO. 1I13 INJECTOR NO. 2
I14 INJECTOR NO. 3 I15 INJECTOR NO. 4 I16 INJECTOR NO. 5
I17 INJECTOR NO. 6
To ABS
Relay< 18±1>
From Center Airbag
Sensor Assembly
< 13±3>
Fr om Cr uise
Control ECU< 17±1>
Fr om Center Air bag
Sens or Ass embly
< 13±3>
Fr om ABS ECU< 18±2> D1
DATA L I NK CONNE CTOR 1
(
CHE CK CONNE CTOR)AB TC I G± TS OX2 OX1 E1VF1 VF2 TE1 +B FP +B
FP E DI FPCTC AB ECT A/ D TT
E1 W ENG TE2 TE1
From Cr uise Control
ECU< 17±2>
From Center Air bag
Sens or Ass embly< 13±3>
From ABS ECU< 18±2>From ABS ECU
< 18±2>
From ABS
ECU< 18±3>
F14
FUEL PUMP
(
Shor t Pin)10A
GAUGE
E1 +B
OX
T5
MALFUNCTION INDICATOR LAMP
(
CHECK E NGI NE WA RNI NG L I GHT)
ENGI NE CONTROL MODUL E
(
Engine and Elect ronically
Controlled Transmission ECU)
10
30
50
70 1
21
41
612
22
42
623
23
43
634
24
44
645
25
45
656
26
46
667
27
47
678
28
48
689
29
49
6911
31
51
7120
40
60
80 19
39
59
79 18
38
58
78 17
37
57
77 16
36
56
76 15
35
55
75 14
34
54
74 13
33
53
73 12
32
52
72 B DRA K GRA Y
(
SHIELDED)(
SHI ELDED)
(
SHI ELDED)
(
SHIELDED) R± L R± Y R± G R±WR R± B V± WG R± LW L±B R± L(
*1) BR BR
L±B
BRL±OY±L P±GLG GR±R(
A/ T) B±YGR B± W BR±W(
*1) B±OB± R
L±B GRB±O B±WB±Y
B±R
L±R
LG
P± G
Y± L
W±B
W± R
WWW± R GRV± WG W± B
V±WG L L±R L±R L±RY± L P±G LG L±B GR±R
O
V±G
V±G
B±Y
B± R
B±R B±R B±YW±B
B±Y B± Y B±R B±R
B± O V±WG W±B W±B L
B±RY±LLG
Y± L P± G LG L±B BR GR±R
B±O
B±O B±O B±O
B±O
B±O
B±O
R± L R± Y R± G R±WR R± B
BW±B W±B B± R B±Y
P±B B±WY R± LW BRL±B L±BR± L R±L R±L
BR BR
BR B±RBR±W
YY B±R BR±W
B±Y B± R BR± W
L±O
B± R B± R
BR B±O
B± RP±B B±O
4
2 2
22412 914 10 5
11222 8 13 14 24
HT 21
1
11 1321 5 12783
23 511191615 4 3 33
W± BBR
10
20
30
40 1
11
21
312
12
22
323
13
23
334
14
24
345
15
25
356
16
26
367
17
27
378
18
28
389
19
29
39 ADARKGRAY
B±O B±O B±O B±OWB B±R
WA Fr om Cr uise
Control ECU< 17±2>
E1 0 E9
Rear side of
intake manifold
From Igniter
<2±4>
Fro nt s i de o f
left f ender Left quart er pillar 2A 12 2
W (
A/T)(
A/ T) (
*1)(
*1)(
*1)
(
*1)(
*1)
*1 : California
(
*1)(
*1)(
*1)(
*1)(
*1)(
*1)
(
*1)
Engine Control(
for 2JZ± GE) Power
Source
ABS

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
5 SUPRA
222IB213
4 3
2 1OFF
TAIL
HE AD
LOW
HIGH
FLASH
OFF
ONHEL TEDHFLOB HI E
LI GHT
CONT ROL
SWFOG
LI GHT
SW DIMMER
SWTo The ft Deter ren t
ECU< 14±4>
To Integration
Relay< 11±1>
G±RR R R±Y R±Y R±Y
R±YR R G±R
R±Y
R±Y
R±Y
R± G
2214 3 7
2A
1J 11K 5
IER R W± BW± BO R±L
B
1113 11 9 6 122 1
5 3
1 2
1 2
1 2
1 2 2IB1222
22
22 22
6IF1
14 IF1 7 IB1
IB2151 2
1 2
EAEB
R±L R±L G±O G±O
R± L
W± B
R± L
R± L W± B G± O2
R±W R±B R±B
R±W R±WR± B R± B R±B G±R
R
2
3RR±W R±W R±W R± W(
Canada)2 1
HE ADLI GHT
RE LA Y
50A MAIN
15A FOG C12
HIGH BEAM
I NDI CA TOR L I GHT
[COMB. METER] H2
HEADLIGHT HI RH H4
HEADLIGHT LO RHH3
HE ADLI GHT LO L HH1
HE ADLI GHT HI LH
O
O
W±B
W±B F4
FOG L I GHT RH
[ PARKI NG LI GHT RH] F3
FOG L IGHT LH
[ PARKI NG LI GHT LH]
(
USA)
(
Canada)15A
HEAD(
LH)
(
for USA)15A
HEAD
(
LH±LWR)
(
f or Canada) (
Canada)
(
USA)
FOG LIGHT
RELAY
W± B
W±B
Fr om I ntegration
Relay< 11±2>
C13
COMBINATI ON SW
BATTERY
To Combination
SW< 6 ±3 >FOG LIGHT
RELAY FOG LIGHT
RELAY
O
O 15A
HEAD(
RH)
(
for USA)
W± B
R± L
1
Left kick panelFr ont side of
r ight f enderFr ont side of
left fender (
USA) 11
22Power Source
Headlight(
for USA)
Fog Light
W± B
W±B

OVERALL ELECTRICAL WIRING DIAGRAM
12
34
7 SUPRA
ACC
IG1
ST1
IG2 AM1 4 7
AM2
2 1
3 5
221J 4
1B 41K 11
1A 31C16
1 2
1 3
1 3
1 21C 21J 5
1J 11K 5
IE EB EA BI BJ1 2
1H 1
1C 10
1 2
1 21 6BO1 1BM1
3BO1
2BM1
BI BJ 1B 2
1I 10
5IE1 G
W
W± LG G G G G
GGG G YYV V
G
B W±B W±BW± B W± B
W± B W± B W± B W± B W± BG G LG LG
LGW± B
W±B
W± B W G±W G±W G±W
B±Y
G± W
R± W
W± B R± WW± B
W± B W± B G±W G±W W±B W±B
W± B R± W
W±B 2
5 2 11 9 3847 1
3 1
18
4 5
2
11
B±Y
WW± B
I19
IGNITION SW
I20
INTEGRATION
RE LA Y
TAILL IGTHT
RE LA Y
10A
TAIL
DI ODE
OF F
TAIL
HEADTEH
BATTERY
Left kic k
panelFront side
of intake
man i f ol dFr ont side of
right fender10A
GA UGE15A
STOP
T6
REAR LIGHT WARNING LIGHT
[ TEL LT AL E L I GHT RH]
S1 1
ST OP
LI GHT
SW
+T B WRN S TP+
±T E STP±
F5
FRONT SIDE MARKER LI GHT LH F3
PA RK I NG L I GHT L H[ FRONT FOG L I GHT L H] F4
PA RK I NG L I GHT RH[ FRONT FOG L I GHT RH]F6
FRONT SIDE MARKER LI GHT RHR1 2
RE AR SI DE MA RK E R
LIGHT RH
R1 1
RE AR SI DE MA RK E R
LIGHT LH R10
STOP LIGHT RH
[REAR COMB. LIGHT RH]
L1
LI CENSE PLATE LI GHTH1 4
HI GH MOUNT ED
S TOP L I GH T
Left quarter
pillarLower bac k
panel centerLeft quar ter
pillarLower back
panel c enter T TRL Y
W± B W± B
2A 1
60A POWER 50A AM1(
for USA)
60A AM1(
for Canada)
120A ALT
C13
LIGHT CONTROL
SW[COMB. SW]2
W± B
L2
LIGHT FAILURE SENSOR 1 1
12 2
2
W±B
G±W G±W
G± W
To Theft Deterr ent
ECU< 14±3>
1 2
GIJ111
G±W G±W G±WG±W G±W
G±W
G±W
G±W G±W G±W
To ABS ECU< 18±4>
To ABS and Traction ECU
< 19±7>
To Traction ECU< 19±7>
To Engine Contr ol Module
(
Engine and Elec tronically
Controlled Tr ans miss ion
ECU)
<3±8><4±7><15±2><16±2>
T o Cr ui s e Co nt r ol ECU
< 17±4>
To Shift Lock ECU
< 21±3> 1E 12
Y
5 1
R10
TAIL LIGHT RH
[REAR COMB. LIGHT RH]
3
R9
STOP LIGHT LH
[REAR COMB. LIGHT LH]
5
R9
TAIL LIGHT LH
[REAR COMB. LIGHT LH]
5 1
W± B
W± B
Power
SourceT ailligh t S to p Ligh t
2 22W
W
W±B

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

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
11 SUPRA
7ACC
IG1
ST1 AM15
4
1J 4
1B 51J 5
2
2 1B 4
1I 16
2A
BI 2 3 13 IB2
15 I C2 6A 5A 7A 4A1J 8
1E 181E 10
1J 1
MM MM 12 ID1 11 I D1 10 I D1 15 IL1 6 IL1 14 IL1
IEB E MLH MLV M+ MRV MRH CONTROL
SW SELECT
SW
RH
LHUP
DOWN
RI GHT
LEFT
UP
DOWN
RI GHT
LEFT8
216537
534 435R7
REMOTE CONTROL MIRROR SW
MH MV M+ M+ MV MH
R17
REMOTE CONTROL
MIRROR RH R16
REMOTE CONTROL
MIRROR LH
Left quarter pillar Left kick panel
D1 0
DOOR COURTESY SW LH
HRL Y TRLY H T DCTYBIG 17
6
50A AM1(
for USA)
60A AM1(
for Canada)
120A ALT 7. 5A DOME
BATTERY
I19
IGNITION SW
From Headlight Relay
< 5±2> < 6±2>See Taillight System
< 7±1> To Combinat ion SW
< 5±1> < 6±2>
WWR R
B R± Y R± YR R±B R±B W±BW± B LG LG±B LG±R
LG LG±BLG±R BR±B BR±Y
LG±R LG±RBR±B BR±Y
GRP±LP± L
LG±R W± B 10A
GA UGE
INTEGRATI ON RELAY I20 A
17. 5A
RA D
NO. 2 B±Y
See Taillight System
<7±1>
3A 2A
9IF2 8IF2L±WG±B
L±WG± BLOCK PLCKTo Door Loc k Motor and Door
Unlock Detection SW LH< 14±4> TO Door Lock Mot or and Door
Unlock Detection SW RH< 14±4>1234567A I20 INTEGRATI ON RELAY
2 2
W11 1
22 2
Power
SourceLight Auto Turn Off Remote Control M irror