TOYOTA SUPRA 1986 Service Repair Manual

OVERALL ELECTRICAL WIRING DIAGRAM
12
34
15 SUPRA
(Cont. next page
)
7ACC
IG1
ST 1
IG2 AM1 4
8
3 2AM2
1J 4
2
222 221J 31J6
8EA12EA2
22 1B 4
22 221E 81K4
2 1
3 5
2 1
5 313 II 1 13 I J2
EA14 4IB1
24 A 1 A 76 B 31 A 9 B 10 B 31 B 12 B 13 B
33A 77B 2A 4A 12A 24B 62B 42B 63B 41B 43B 64B 65B 45B
2A66 B 28 B 69 B 79 B 80 B 3 A 18 A 25 A 28 A 10 A 9 A 7 A23 B 14B 3B 21B 1B 38A 27A 26A 14A 13A 11A2 1
1 2
3IJ2 38 II1
12 IJ2 5 II1
1 2
13
1H1
1J
W± R
W B± Y
B±W
B±OGR
GR B±R B±RGR
B±Y B±O B± WB± R B±RR± L W± R
W± G LG±RY±G
W± R
W B± O
B±RB±RB± R
W±BB±YB±Y B±YR±LB±RB± Y
R± B
LG±R
G±B
LG±B R GL YP±LB WO W± RY± R
BR BR
BRY G±Y W±L
V±G
W±L
G±Y
W±B W±B
Y G± Y W±LV± G
84156723
2 2
22 1
1
B± OB
I19
IGNI TION SW
Se e En gi ne
Co nt r o l
System< 3±1>
EFI NO. 2 RELAY EFI MAIN RELAY 7. 5A ST
7. 5A I GN
11 1
B2
W± B
120A ALT 30A EFI NO. 2 30A EFI NO. 1 Fr om Park/ Neutral
Posit ion SW(
Neu t r a l
Start SW)
<1±3> Fr om Telltale Light RH
< 25±1> Fr om Stop Light SW
<7±4> Fr om Cr uise Control
ECU< 17±3>
B P G±W BR±B
BATTERYM± R EL I G SW N SW + B
BATT STA SP1 STP OD1 OIL PM1 VTA2 IDL2S2 S1
VCC VTA1 IDL1 E2 THA VG E21
See Engine Cont rol Syst em
<3±7>
K4
KICK DOWN
SW
Fr om ABS and Trac tion
ECU< 19±8>
Fr om Tra cti on
ECU< 19±6>
01
O/ D D I RE CT CL UTC H
SPEED SENSOR
V11
VEHICLE SPEED SENSOR(
Speed Sensor)
NO. 2
(
for Electr onic ally Contr olled Tr ans mis sion)
B±R
E2
EL ECTRONI CALL Y CONTROLL ED
TRANSMISSION SOLENOIDTo Cruise Cont rol
ECU< 17±3>
E 9 B , E10 A ENGINE CONTROL MODULE(
Engine and Electr onic ally Contr olled Tr ans mis sion 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 E9 DARKGRAYENGI NE CONT ROL MODULE
(
Engine and Elec tronically
Contr olled Tr ans mis sion ECU) B±W
B± R
50A AM1(
for USA)
60A AM1(
f or Canada)30A AM2
SLN+ SLU+
SLU± SLN± SLT± SL T+ S1 S2
SLT+ SLT± SLN± SLU± SP2+ SP2± NCO+ NCO± NEO EFI+ EFI± TRC+ TRC± ABS
R 2 L OD 2 MI M KD E0 1 E0 2 E1
1
EB Fron t si d e of
left fenderED
NO. 3
NO. 4
NO. 5
NO. 1
NO. 2
Rear side of
intake manifold 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 A E1 0 DARK DRAY
B WO GL BR
RY
2 2W
5EA2
B±R
B±O
B±R
B±Y
Power SourceElectronically Controlled Transmission and A/T Indicator
(
for 2JZ±GTE)

5
678
15 SUPRA(
Cont' d)
78109234
PRND 2 L 1J 5
12
1E
7 II1 1 II1 18 II1 27 II1
IF31
24
IH IEA
A1 2
36 II 1
BI BJ 1 4106781117 I I1 II1 23
IE112
13 212 B±Y
R± B
LG±R
G±BG±R
R±B
LG±R
G± BYYY Y
YG±R
R± BLG±RG±B G±B
LG±R
G±R
L
GR
Y
W± BW± B W± B
V±G
W±L
G±Y
W±BV±G V±G
V±G
W± B
W± BV±G
W± L
V±G R± B R± B R±BR±B R±B
Y (
A/T)
10A
GAUGE
P2
BACK±UP LIGHT SW AND A/T INDICATOR
LIGHT SW
(
M/T)
R±B
(
A/T)
R±B
W±B R± B To Cruis e Contr ol
ECU< 17±2>
V±G W±B
43MANUAL
NORMALE8
EL ECTRONI CAL LY CONT ROLL ED
TRANSMI SSI ON PATTERN
SELECT SW
L
O/ D OFFMANUP
R
N D2
C1 1
A/ T I NDI CAT OR LI GHT
[COMB. METER]
J1
JUNCTION
CONNECTOR O5
O/DMAINSW
55 44
W± B W±B
R1 0
RH R9
LH
BACK±UP LIGHT
[ REAR COMB. LI GHT]
Lower bac k
panel center Left quarter pillar Right kick panel Left k ick panel To Dat a Li n k
Connector 2
(
TDCL)
<3±2>(
M/T)
(
A/T)
GRLSee Combination Met er
< 25±8>
3 IJ27
G±R
W±B
Electronically Controlled Transmission and A/T Indicator
(
for 2JZ±GTE)Back±Up Light(
for 2JZ±GTE)
R±B

OVERALL ELECTRICAL WIRING DIAGRAM
1
2
34
16 SUPRA(
Cont. next pa ge)
7ACC
IG1
ST 1
IG2 AM1 4
8
3 2AM2
1J 4
2
22 21J 31J6
3 EA3
2 1B 4
2 21E 81K4
2 1
5 313 II 1 13 I J2
EA14 4IB1
24 A 1 A 76 B 31 A 9 B 10 B 8 B
33A 77B 2A 4A 12A 41B 43B 64B 65B 45B 66B 69B 80B 79B 3A 18A 25A 28A 10A 9A23 B 3 B2 1
3IJ2 38 II1
12 IJ2 5 II1
1 2
13
1H1
1J
W± R
W B± YB± WB± OB± RGR
B±YB±O B± WB± R B±RR± L W± RB± R
W± R
W
B±R
B±Y B±YR± LB± Y
LG±R
G±B
R G
BR BR
BRY G±Y W±L
V±G
W±L
G±Y
W±B W±B
Y G± Y W±LV± G
213
2 2
2 1
1
B± OB
I19
IGNI TION SW
EFI MAI N REL AY 7. 5A ST
7. 5A IGN
1 1
B2
W± B
120A ALT 30A EFI NO. 1 Fr om Park/ Neutral
Posit ion SW(
Neu t r a l
Start SW)
<1±3> Fr om Telltale Light RH
< 25±1> Fr om Stop Light
SW< 7±4> Fr om Cr uise Control
ECU< 17±3>
B P G±W BR±B
BATTERYM± R EL I G SW N SW + B
BATT STA SP1 STP OD1S2 S1
VCC VTA1 IDL1 E2 THA KS
See Engine Control System
< 4±8>
K4
KICK DOWN
SW V1 1
VEHI CL E SPEED SENSOR
(
Speed Sensor)
NO. 2
(
for Elec tronically Controlled
Tra nsmi ss i on) E2
EL ECTRONI CALL Y CONTROLL ED
TRANSMISSION SOLENOID
To Cruise Cont rol
ECU< 17±3>
E 9 B , E1 0 A ENGI NE CONTROL MODULE(
Engine and Elec tronically Controlled Transmiss ion 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
7210
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 B E9 DARKGRAY AE1 0 DARK DRAY ENGI NE CONT ROL MODULE
(
Engine and Elec tronically
Contr olled Tr ans mis sion ECU)E1 EO1 EO2 KD M MI OD2 L 2 S3 SP2+ SP2± 8EA1
GR
B± Y B±R
B±W
S2 S1 SL
50A AM1(
for USA)
60A AM1(
for Canada)30A AM2
GR
2A 1
EB Fron t si d e of
left fenderEDRear side of
intake manifold
NO. 2 NO. 1 NO. 3
B WY
2 2WB±Y
35 APS
1 2
BR±WBR
P3
POWER ST EERI NG
PRESSURE SW
BR
Power SourceElectronically Controlled Transmission and A/T Indicator
(
for 2JZ±GE)

5
678
16 SUPRA(
Cont' d)
78109234
PRND 2 L 1J 5
12
1E
7 II1 1 II1 18 II1 27 II1
IF31
24
IH IEA
A1 2
36 II 1
BI BJ 1 4106781117 I I1 II1 23
IE112
13 212 B±Y
LG±R
G±BG±R
LG±R
G± BYYY Y
YG±RLG±RG±B G±B
LG±R
G±R
L
GR
Y
W± BW± B W± B
V±G
W±L
G±Y
W±BV±G V±G
V±G
W± B
W± BV±G
W± L
V±G R± B R± B R±BR±B R±B
Y (
A/T)
10A
GAUGE
P2
BACK±UP LIGHT SW AND A/T INDICATOR
LIGHT SW
(
M/T)
R±B
(
A/T)
R±B R±B R±B To Cr ui se Con tro l
ECU< 17±2>
V±G W±B
43MANUAL
NORMALE8
EL ECTRONI CAL LY CONT ROLL ED
TRANSMI SSI ON PATTERN
SELECT SW
L
O/ D OFFMANUP
R
N D2
C1 1
A/ T I NDI CAT OR LI GHT
[COMB. METER]
J1
JUNCTION
CONNECTOR O5
O/DMAINSW
55 44
W±B
W±BR1 0
RH R9
LHBACK±UP LIGHT
[ REAR COMB. LI GHT]
Lower bac k
panel center Left quarter pillar Right kick panel Left k ick panel To Dat a Li n k
Connector 2
(
TDCL)
<4±2>(
M/T)
(
A/T)
GRR± B L
(
A/T)
3See Combination Meter
< 25±8>
23
II1
G±R
W±B W±B
Electronically Controlled Transmission and A/T Indicator
(
for 2JZ±GE)Back±Up Light(
for 2JZ±GE)

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
17 SUPRA
7ACC
IG1
ST 1 AM1 4
1J 41J 5
221B 41E 12 1H12 1I9
21 I I1
11 I F1 4 IF22 1 9A
6B
IE 1H 13
1J 116 I B6 7 IB6 10 IB6 9 IB6 15 I B6
8IB6 17IB64 3
M10IJ2 11IJ2 3IJ1
1 1H 81I10 1B 2WW
W± LP± B P± BP±BO YOYB±R W± RW
L R±YP± G LG±RR± B G±RLG B±WBR± B
P±BO G±R
W± B P±G LG±RR± B G± RLGR±L BR± B
W± B W± B
B
P±B O G±R
W±B
BR± B 13 18 19 25 24 23 11 12 10 26 22
3217 65 515
1787 2 14 15 1
4
R± L
921 3
R± L BR±BR
R±L BR± BR BR±W
W± L
B±Y
I19
IGNITION SW10A
GAUGE10A
ECU±IG
CRUISE CONTROL
I NDI CA TOR L I GHT
[COMB. METER]C1 5
CRUI S E CONTROL
CL UTCH S W(
M/T)
TC PI D B BATT
GND CCS CMS VR3 VR2 VR1 MC MO L L±
60A POWER 50A AM1(
for USA)
60A AM1(
for Canada)
120A ALTBATTERYRESUME/
ACCEL
SET/
COAST
CANCEL
MAIN
C1 4
CRUI S E CONTROL
MA I N SW
[COMB. SW]
Left kick
panelC4
CRUISE CONTROL ACTUATOR10A
ECU±B15A
STOP
ST P+
ECT OD IDL PKB
S1 1
STOP LIGHT SWP5
PARKING BRAKE SW
C10 A , C12 B
2A 1
Fr om Telltale Light RH
< 25±1>From Stop Light SW
<7±4>20
SPD STP±16P G±W
13 9 8 7 6 5 4 3 2 1 101112
16 11 10 9 8 5 4 3 2 112131467 15B C12A C10 BLUE CRUISE CONTROL
I NDI CA TOR L I GHT
[COMB. METER]
C16
CRUISE CONTROL ECU
From Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
< 15±2> < 16±2> To Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
<3±6><4±8><15±2><16±2> From Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
< 3±8> < 4±8>
1 11
2 22
To Dat a Link Connect or 1
(
Chec k Connect or)
<3±3><4±2> To Dat a Link Connect or 2
(
TDCL)
<3±2><4±2>
To Dat a Link Connect or 2
(
TDCL)
<3±2><4±2>Fro m
A/ T Indicat or SW
2 2W
Power
SourceCruise Control2
W
G± R
(
M/ T)(
M/T)(
A/T) (
A/T)
(
A/ T) (
A/ T)

1
234
18 SUPRA
7ACC
IG1
ST1 AM1 4
1J 4
6B 5B 4A 3A 1B
2IB62
1B
5
1J
1H 81K13 1E12
15 A 2 A 16 B 8B 7B 1B 9B 3A 16 A 10 A 18A 14A 26A 13A 1A 6A 9A 22A23A 24A 11A 15B 5A6B 12 B 3B 10 B 12 A 25 A 13 B 1B 4BB
2A2B 6B 3B 4B 1B 5B
4A 3A 1A21
IG 21 112 2
W± B
W± B W± B
W± B
P
L YG± W
B±O
R± L
W±L
B±R
W± R
GND GND RR+ RSS RL ± RL + FR± FR+ FSS FL ± FL + MT2
4 4
B± R
IG1GND
GST GS2 GS1
8IC2 3IB5 2IB5 3IC2
L±WL W± B
B W± BL±WL
R R
4 IB5 5 IB5 1 IB5
WB B
WRRL L
RR±
V LG LG
V W± B
SF R SFL SRR SRL AST
B±RL
15 IJ1 21 II1
P±B P± B
P± B
YY
B±Y
L
2 1
34A A6 BLACK
123
456B A7 GRAY
12
341
4
5 2
3
6
V± G4BD/ G 13 IB6 1 I B6
M
L±W
Y
B±Y
P
P±B
Y±G Y±GP± BP B± YY L±W
A A8 GRAY BA9 GRAY ABS RELAY ABS ECU AST SRL SRR SFL SFR MT
L±B
V±Y
VVV± YL±B
GND BS MR R± SR
ABS ACTUATOR BS BM6IB5 ABS RELAY
P±B
120A ALT
222
EAA10
ABS SPEED
SENSOR FRONT LH
ABS ACTUATORA1 1
ABS SPEED
SE NS OR FR ON T R HA31
ABS SPEED
SENSOR REAR LHA32
ABS SPEED
SENSOR REAR RH(
SHI ELDED) (
SHI ELDED) (
SHI EL DED) (
SHI EL DED)
To Dat a Link Connect or 2
(
TDCL)
< 4±2>
ABS ACTUATOR ABS ACTUATOR
ABS ACTUATORABS ECU MR R± SRSR
SR
SR T S TC BATW I G1 GS T GS2 GS 1 STP6
3 2 1
60A ABS NO. 1
BATTERY
W W± LR
W WA10A
ECU±B10A
ECU± I G10A
GAUGE
A2 3
ABS LATERAL
ACCEL ERATI ON SENSOR I19
IGNI TION SW
+B S W
50A AM1 60A POWER
Fr ont s ide of
right fender
BR±B
W± B B±RBR±W
Ri g ht
kic k panel L
W± BW±L
B±Y
9IC2 A8 A , A9 B
IF111
P± B
W
A1 8 B , A1 9 A
A6 A , A7 BIF22
L
T5
A BS WARNI NG LI GHT
[TELLTALE LI GHT LH]
1 111 222
2
1
12345678
9 1011121314151612
34567891011 12 13
14 15
16 17 18 19 20 21 22 2324 25 26 B A1 8 AA19 6EA1
16 IJ 1
To
Data Link Connec tor 1
(
Chec k Connector)
< 4±2> To
Data Link Connec tor 1
(
Chec k Connector)
< 4±2> To
Data Link Connec tor 2
(
TDCL)
<4±2> To
Data Link Connec tor 1
(
Chec k Connector)
< 4±2>
B±RL
Fr om
Data Link Connec tor 1
(
Chec k Connect or)
<4±2>
14 B
BR±WTo Parking
Brake SW
< 25±7>PKBFrom Stop Light
SW< 7 ±4 >
(
SHI ELDED) (
SHI EL DED) (
SHI EL DED)
L
5 IB6 10 IB5 9 IB5 8 I B5 7 IB5 6 IB61A
+BM
BM
2A 24
2 22
W
W
E
Power SourceABS(
Anti±Lock Brake System)

OVERALL ELECTRICAL WIRING DIAGRAM
1234
19 SUPRA
7ACC
IG1
ST1 AM1 4
1H 81J41J 5
22 22255 5 55 5 55
55 1B 21B41E 12 1K13
55
555 5551IB6 18IB6 16IB5
3 4
2 1
4 6
3 1
2
2A55
EBM4 3
2 1
EA9A
7B
2 IF2 12 IF2 1 IF2
16 IJ 1 5
45
2
3 61
To Data Link Connector 1
(
Check Connector)
<3±3>To Data Link
Connec tor 2
(
TDCL)
<3±2> T5
TELLTALE
LIGHT LH
ABS
TRAC OFF TRACTION I NDICATOR
LI GHT [ COMB. MET ER]
I19
IGNITION SW10A
GAUGE10A
ECU± I G
10A ECU±B30A ABS NO. 2
50A AM1(
for USA)
60A AM1(
f or Canada)
60A POWER 60A ABS NO. 1
120A ALT 7. 5A TRACBATTERY
T4
TRACTION PUMP
AND MOTOR A BS MOT OR
RELAYABS SOLENOID
RE L AY TRACTION
SOLENOID RELAY
TRACTION
MOTOR RELAY
TRACTION INDI CATOR L IGHT
[COMB. METER]
13 9 8 7 6 5 4 3 2 1 101112
16 11 10 9 8 5 4 3 2 112131467 15A C10 BLUE
B C12TRACTION ECU
12
34567891011 12 13
14 15
16 17 18 19 20 21 22 2324 25 26123456
7 8 9 10 11 12 A T9 BT10
ABS AND TRACTION ECU
123456
7 8 9 10 11 12C A22 12
34567891011 12 13
14 15
16 17 18 19 20 21 22 2324 25 26 A A20
12345678
9 10111213141516B A2 1
ABS ACTUATOR
2 1
34123
456 A A 6 BLACK BA7 GRAY
To Dat a Li n k
Connector 1
(
Chec k Connector)
<3±3>
W± R
B±R
L±Y
V
L±B
B±R
LG±R
W
L
V± Y
R± W
L±W
L
G± B
W± G RR
V±Y V±Y V±YB±R
L±Y
R
Y
L±Y
W
W±LL V± YV±Y L±W W± BV±Y R± W W± B
W± RWYB± RR LG±R
B± R
R
L±B
V
R L±B B±R LG±R
B±YYL±YW±B
B V±Y W±B Y Y
Y
LG±RLG±RL WWW
L L
LG±RL
W± G
R
Fr ont side of
r ight f ender Fro nt s i de o f
left f enderG±B 22
2 22
2
3 1 11
1 11
1284 2
(
Cont. next pa ge)
16EA1
B±RC10 A , C12 B
3IB3
2 22
W W
Power SourceABS and Traction Control

5678
19 SUPRA(
Cont' d)
26A
12A
13A
23A
24A
10A
8B
3B
9B
2B
1B
7B
20A
6A
19A
7A
4A
22A
16A
21A
9A
17A
3A
18A
5C
6A
20A
8A
5A
18A
17A
4A
9B
1B
2B
10B
25A
4C
9C
12A
8C
2C 1
A15
A2
A24
A7
A13
B15
B6
B4
B5
B7
B8
B11
B14
B16
B6
C12
C 2IB6
4IB2
5IB26 IB2 1 IB5
2IB53IB5 3IC2
8IC29IC210 IB2
11 IB2
IE2 1
2 1
1 2
1 2
IG11A
6B
5B
4B
10B
11B
12B
14A
5A
9A
1C
13A
26A
7C
21A
14A
22A
10A
10C
6IB6
7IB58IB5
9IB510 IB5
5IB614 IB6
4IB3
4 2
3 14631
8IJ2
IF111
II1 21
11
A23
A
2 1
M
IE EA 5B 1B 4B 3B 6B 2B
1A 3A 4A 2IJ2
Fro nt s i de of
right fender Right k ick panel Lef t kick panel
Fr om Stop Light
SW< 7±4> To Parking Brake
SW< 25±7> To Data Link Connec tor 1
(
Check Connec tor)
< 3±3>
GND WAGST
GS2GS1
FL+ FL± FR+ FR± RL+ RL± RR+ RR±GND
GNDGND
R± SRC SMC MT SFR SFL SRR SRL AST TMR MTT LBL D/GCS W GND BCM B± B A A± ACM TC PKBST P ABS0
TRC0 BRP
BRC THFA
BRFA RL 0
RR0 FL 0
FR0 IDL2 IDL1
TRC+ TRC±
EF I + EF I ±
NE O IND
WT BM
BAT IG1
TSRSR MR IG1
BAT FR0FL 0
RR0RL 0
BRFATHFA
BRCBRP
TRC0ABS0 STP PKB TS TC
To Engine
Contr ol Module
(
Engine and
Electronically
Co nt r ol le d
Tra nsmi ss i on
ECU)
<3±8><15±4>
A23
ABS LATERAL
ACCELERATION SENSOR
A10
ABS SPEED
SENSOR FRONT LH A1 1
ABS SPEED
SENSOR FRONT RHA31
ABS SPEED
SENSOR REAR LH A3 2
ABS SPEED
SENSOR REAR RH T3
TRACTION BRAKE
ACTUATORTo Brak e Fluid Level War ning
SW< 25±7> To Data Link Connec tor 2
(
TDCL)
<3±2>
ABS ACTUATOR
T8
TRAC OFF SW
ABS AND TRACTI ON ECU A2 0 A , A21 BTRACTION ECU T9 A ,T10 B
S4
SUB THROTTL E ACTUATOR
To Data Link Connec tor 2
(
TDCL)
<3±2>
To Da ta L i nk
Connect or 1
(
Chec k Connect or)
<3±3>
Left kick panel V± Y
R± W
L±W
L
G± B
W± G V±Y V± Y V±Y
R±W
L±W
L
G±B
W± GW
L W± R
B± R
L±Y
V
L±B
B± R
LG±R
P±B P± B P±B P± B
R± B
R±W
B±Y
V± R
P±G
P±B
GR±R
Y±B
O
LG±B G± W BR±W
G±W BR±WY P± B P±BBRG WL RY
(
SHI ELDED)W±B W± BLG
W±B W±B W±B
W±B
L L±W Y± G
P± B
P
B±Y
Y
L±W L±WY B±YP P± B Y± G G± B W± G
V
V± Y
V±Y
W± B
W± B
W± B
P
LR± W R± W V
V± Y R± WV± G
R± W
W± B
(
SHI ELDED)
(
SHI ELDED)
LG
V
L
R
B
W WB RL V LG(
SHIELDED)
(
SHIELDED)
(
SHIELDED)(
SHI ELDED)
(
SHI ELDED)
W±B B±O
R± L
W± L
L
B±R GR ±R
R
O
W±R
B
W
P± L
W
LG±R
L±Y
W±R
B±RP± L
W±R
B±R
V
L±B
B±R VP±B
52 B±R
GS1
GS2 GST IG1 4 123
6
IB613
V±Y
A6 A ,A7 B,A22 C 15 IJ1
Y W± B
B
12EX0
14 IJ1Y±R Y±RTo Engine Cont rol Module
(
Engine and Electr onically
Contr olled Tr ans mis sion ECU)
< 3±7> < 15±4>
Fr om St op Light
< 7±4> To Parking Brake
SW< 25±7>
Fr om Thr ott le
Posit ion Sens or
< 3±8> Fr om Sub Thrott le
Posit ion Sens or
< 3±8>
ABS and Traction Control

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)