1986 TOYOTA SUPRA traction control

220
COMBINATION METER
15A
HEAD(
RH)
(
FOR USA)7. 5A
ST
21K4
1E 19 1E14 1H 11 1H7 P
N5
6
2 1
IF2 13 IF1 6IB1 2
IF2 1IF24IF114
IE1 1IE12IE13
BP1 5BP13BP11 II1 24 II1 19 A 2A 16 A15 B6
A 7A6A3A9A8B8A10 A11 A13
II1 29
TRAC
CRUISE
HIGH BEAM
WATER TEMP.
FUEL
FUEL
TACHO
IJ213
IE EC IFI3 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
IJ29
EXT
F14I4
E10
C9
P2
COMBINATION METER FROM HEADLIGHT HI RH
FUEL SENDERIGNITER
ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU)
CLUTCH START
SW
PARK/NEUTRAL POSITION
SW(
NEUTRAL START SW) Y±G
Y±B
BR BRY±B Y±GBR Y±L R±LO W
Y±G
Y±B
BR
B±W B±W
B±W BRBR Y±LR±L W±BW
O TO TRACTION ECU
TO CRUISE CONTROL
ECU
TO DIMMER SW
[COMB. SW]
ENGINE COOLANT TEMP. SENDER
(
WATER TEMP. SENDER)
LH
RH TURN
B
(
A/T)
B
(
M/T)B±W
(
M/T) R±W
(
*1)B±W
G±B
G±Y R±W R±W
R±W
G±B
G±YB±W(
A/T)B
B BR
BR
(
*4)
(
*3) (
*1)(
*2)
BULB
CHECK RELAY
123416FROM TURN SIGNAL SW
[COMB. SW]
2 1
(
*2)
E4
C C10 , C11 , C 1 2BA
(
*3)
1TACO

223
*
1:USA
* 2 : CANADA * 4 : 2JZ±GE*
3:2JZ±GTE
7. 5A
IGN10A
ECU±B
1E 81E13
1G 91E 4II1 15 II125
1E 18
1J 1 IE1 5IF212 IF22 32 210
16 18 12 15 6 1 4 3 5 8 9
B±O
W±R Y±R
V
Y±G
B±Y B±Y
L(
*4)
L(
*3)
L±B
LG±RL L±W
R± Y
L±B
Y±B
LG±R
W±B W± LY V
FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
Y±G
R± Y
L±WY
Y±B
IE 1
TO INTEGRATION
RELAY
TO LIGHT FAILURE
SENSOR
TO CENTER AIRBAG
SENSOR ASSEMBLY
TO ABS ECU
TO ABS AND TRACTION ECU
TO ENGINE CONTROL MODULE
(
ENGINE ECU)
TO TRACTION ECU
OIL PRESSURE
SW TELLTALE LIGHT RHTELLTALE LIGHT LH
FROM THEFT DETERRENT
ECU SEAT BELT
REAR LIGHT
CHRAGE
SRS
OIL LEVEL
ABS
OIL
TRAC OFF
SECURITY
MALFUNCTION
INDICATOR LAMP
(
CHE CK E NG INE)
W± B
O2 T5 T6
(
*3)

240
GROUND POINT
FRONT FOG LIGHT AND
PA RKING LIGHT RH
EFI NO. 2 RELAY
EFI MAIN RELAY
HEATER RELAY
FRONT WIPER MOTOR
A/C CONDENSER FAN
MOTOR
BRAKE FLUID LEVEL
WARNING SW
TRACTION PUMP AND
MOTOR
COMBINATION METER
ENGINE OIL
LEVEL SENSOR
NOISE FILTER
IGNITER FRONT FOG LIGHT AND
PARKING LIGHT LH FRONT SIDE MARKER
LIGHT LHDA YTIME
RUNNING
LIGHT RELAY
NO. 3
FRONT SIDE MARKER
LIGHT RH
ENGINE HOOD
COURTESY SW
FRONT TURN SIGNAL
LIGHT LH
FRONT TURN SIGNAL
LIGHT RH
HEADLIGHT LO RH
HEADLIGHT LO LH
ABS RELAY
A /C DUA L PRE SSURE
SW
ABS SOLENOID
RELAY
TRACTION SOLENOID
RELAY
A BS ACTUATOR E2
E5
E8 E8 E2 E2E2 0 2
2
2
5
5
EB EA
HEATED OXYGEN
SENSOR(
SUB)
HEATED OXYGEN
SENSOR(
MAIN)
ED EC II1 24
I17 E16 I 17I11
IJ1 18
(
E1)
(
E01)
(
E02) IC18 W±B
W±B
W±B
W±B W±B
W±B W±BW±B
W±B
W±B
W±B
W±B
W±B
BR
BR
BR
BRBR
BR W±BW±B
(
*4)
W±B
(
*3) W±B
(
*3)W±B
(
*1)
W±B
(
*4)
W±B
W±B
W±B
W±B
W±B
W±B W±BW±B W±B
BR BR
BR
BR
BR
BR
BR BR
BR BRBR
BR
W±B
(
*3)W±B
W±B
(
*3) E7 :*3
E20 : * 4E2:*3
E18 : * 4E2:*3
E18 : * 4
E2:*3
E18 :
*4
E5:*3
E19 : * 4
DAYTIME RUNNING
LIGHT RELAY
NO. 3 RADIATOR FAN MOTOR
E11 : * 3
E24 :
*4W±B
W±B
W±B W±B
W±B
(
*1)E2:*3
E18 : * 4
W±B
(
*3)
(
±S)(
±S)
DATA LINK CONNECTOR 2
(
TDCL)
DATA LINK CONNECTOR 1
(
CHECK CONNECTOR) RADIATOR FAN
RELAY NO. 2 (
E) ENGINE COOLANT TEMP.
SW(
WATER TEMP. SW)
(
±S)
E3
W±B W±B
W± B W± B W±B W±B
W±B
W± B
BR E2:*3
E18 : * 4
(
L)
E8 W±B
(
*1)
(
*3) (
*3)(
*3)
(
*3)
(
*3)(
*3)
(
*3)
(
*3)
(
*3)
ENGINE CONTROL
MODULE
(
ENGI NE AND
ELECTRONICALLY
CONTROLLED
TRANSMI SSION)
W±B

242
GROUND POINT
STEREO POWER
AMP LIFIER
COMBINATION METER
TEL LTALE L IGHT RH
FUEL SENDER
RADIO AND PLAYER
BLOWER MOTOR
CONTROL RELAY
SEAT HEATER RELAY
(
FOR PASSENGER' S
SEAT)
SEAT HEATER(
FOR
PASSENGER' S SEAT)
BUCKLE SW RH
DOOR COURTESY SW RH
HIGH BEAM INDICATOR
LIGHT [COMB. METER]
TRAC OFF SW
TRACTION ECU
ABS LATERAL
ACCELERATION
SENSOR
SHIFT LOCK ECU
ELECTRONICALLY
CONTROLLED
TRANSMISSION
PATTERN SELECT SW
O/DMAINSWSEAT HEATER SW
DAYTIME RUNNING
LIGHT RELAY(
MAIN) (
EP)
(
GND)
HEATER CONTROL SW
CIGARETTE LIGHTER
CLOCK
GL OVE B OX L IGHT SW
AUTO ANTENNA
CONTROL RELAY
THEFT DETERRENT ECU
PPS ECU
DOOR LOCK CONTROL
SW RH
DOOR KEY LOCK AND
UNLOCK SW RH
DOOR LOCK MOTOR AND
D OOR UNL OC K
DETECTION SW RH
REMOTE CONTROL
MIRROR AND MIRROR
HEATER RH IG
IH I8
I3
I24 I24 I23
I23
I4 I20
I11
I18
I9
I9I21
I21
B2 B2 I15
B2 IL116 IF311
IE13
BP13
IK11
IF114
I18
I18
I18
I11IF
I14(
E2)
(
VER1)COMBINATION
METER
A/C
AMPLIFIER
W±B
(
*
2)W±B
(
*
1)
W±B
(
*
1)
W±B
(
*
2)
W±B
(
*
3)
W±B
(
*
3)
W±B
(
A/T)W±B
(
*
1)
W±B
(
*
1) W±B
(
*
1)W±B
(
*
1)W±B
(
*
1) W±B
(
*
1)
W±B
(
*
1)
W±B
(
*
3)
W±BW±B W±B
W±BR±L W±B W±B W±B
W±B W±B W±B W±B W±B W±BW±B
W±B W±B W±B
W±B
W±B
W±BW±B W±B W±B W±B
W±B
W±B BRBR BRBR
BR BR BR
BRA
A
A
A
A
A
A A
BR
BR
W±B W±BW±B
W±B W±B
W±B W±B
W±B W±B
W±BW±B
JUNCTION
CONNECTOR J1
I11 :*
3
I4:*
4
I11 :*
3
I18 : * 4 (
*
1)(
*
1) (
*
6)
(
*5) BR
(
GND)
(
GND)
(
GND)ABS ECU
(
*
4)
ABS AND
TRACTION
ECU(*
3) I10
W±BW±B
(
A/T)
(
A/T)A

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
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
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
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