1986 TOYOTA SUPRA check engine

142
ELECTRONICALLY CONTROLLED TRANSMISSION AND A/T INDICATOR (FOR 2JZ±GTE)
15A
STOP
1 2 1 2
2 1
1 2
1 2
1 2 2 1
E1 6 I17
E16 E1 6 E161I 10
1J 11H 13
IE IJ1 11
IJ1 6
IJ2 12 IJ2 3 B 21 B1A4A20 A19 B 29 A17
B 42 B63 B44 B24 B46 A3A18 B27 B7 IJ15
IJ113
3 128 13 12759
43124 VTA2 IDL2 THW OIL THG KD M NE NE±ECT TT ENG TE2 TE 1 VF1 TE1 +B
BR±B BR±B BR±BL±R B±R
LG Y±L
V±G
L±Y
O
BR±Y GR±RY±L
BR±B BR±B BR±B GR±RBR±BY±L L±R
W±B W±B
W±B
G±Y
B±R
BRG±YYLG
P±GY±LG±WYL
G±W W
B±R
Y±L
LG
Y±L
P±G
LG
GR±R
V±G GR±R (
SHIELDED)(
SHIELDED) NCO+ NCO± STP TE1 TE2VF1 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
STOP LIGHT
SWDATA LINK CONNECTOR 1
(
CHECK CONNE CTOR)
O/D DIRECT CLUTCH
SPEED SENSOR
S11D1
O1
TT DATA LINK CONNE CTOR 2
(
TDCL) D5
Y
S5
SUB THROTTLE
POSITION SENSOR
ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR)
A/T FLUID TEMP. SENSOR
EGR GAS TEMP. SENSOR
KICK DOWN SW E3
A5
E1
K4
ELECTRONICALLY CONTROLLED
TRANSMISSION PATTERN
SELECT SW
CRANKSHAFT
POSITION SENSOR
E8
C3
ENGINE CONTROL MODULE(
*1) A E9 ,E10B
NORMAL
MANUAL
IJ1 17

152
ELECTRONICALLY CONTROLLED TRANSMISSION AND A/T INDICATOR (FOR 2JZ±GE)
15A
STOP
1 2 1 2
2 1
1 2
1 2I17 I17
E28 E281I 10
1J 11H 13
IE IJ1 11
IJ1 6
IJ2 12 IJ2 3 A 4A20 B29 A17
B 44 B24 B46 A3A18 B25 B7 IJ15
IJ113
3 12 8 13 1 7 5 9
4 THW OIL THG KD M G2 G±ECT TT ENG TE 1 VF1 TE1 +B
BR±B BR±BB±R
LG Y±L
V±G
L±Y
O
BR±Y BR±B BR±B BR±B
W±B W±B
W±B
G±Y
W
GG±YY
LG Y±L G±W G±W W
B±R
Y±L
LG
Y±L
LG
GR±R
V±G GR±R (
SHIELDED)(
SHIELDED) STP TE1 VF1 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
STOP LIGHT
SWDATA LINK CONNECTOR 1
(
CHECK CONNE CTOR)
S11D1
TT DATA LINK CONNE CTOR 2
(
TDCL) D5
Y ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR)
A/T FLUID TEMP. SENSOR
EGR GAS TEMP. SENSOR
KICK DOWN SW E3
A5
E1
K4
ELECTRONICALLY CONTROLLED
TRANSMISSION PATTERN
SELECT SW E8 E NGINE CONTROL MODULE(
*1) A E9 ,E10B
B 26G1
R
B 27NE
B
1234
NE G1 G2 G±
DISTRIB UTOR D4
BRBR
NORMAL
MANUAL
A 192TE2
P±G P±G
TE 2 IJ1 17

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

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

241
*
4:2JZ±GE *
2:USA *
1 : CANA DA*
3:2JZ±GTE
SUB HEATED OXYGEN
SENSOR
(
FOR CALIFORNIA)
VOLUME AIR FLOW
(
AIR FLOW METER)
POWER STEERING
PRESSURE SW
DOOR LOCK MOTOR AND
DOOR UNLOCK
DETECTION SW LH
ROOM LIGHT SW
[DOOR KEY LOCK AND
UNLOCK SW LH]
DOOR KEY LOCK AND
UNLOCK SW LH
REMOTE CONTROL
MIRROR AND MIRROR
HEATER LH
POWER WINDOW MASTER
SW
PERSONAL LIGHT
CENTER AIRBAG
SENSOR ASSEMBLY
POWER MAIN RELAY
INTEGRA TION RELAY
LIGHT CONTROL SW
[COMB. SW]
DIMMER SW
[COMB. SW]
DAYTIME RUNNING
LIGHT RELAY NO. 3HEATED OXYGEN
SENSOR
(
FOR CALIFORNIA
ON FRONT SIDE)
HEATED OXYGEN
SENSOR
(
FOR CALIFORNIA
ON REAR SIDE)
(
E1)
CRUISE CONTROL
ECU
KICK DOWN SW
CRUISE CONTROLH SW
[COMB. SW]
UNLOCK W ARNING SW
KEY INTERLOCK
SOLENOID
WIPER AND WASHER SW
[COMB. SW]
RHEOSTAT
REMOTE CONTROL
MIRROR SW
TELLTALE LIGHT LH
TURN SIGNAL
FLASHER I11 I17 E27
E28
I17
I4
I9
I2
I2
I3
I3
I1 B1 B1 B1 B1IJ118
IC18
ED
1H13
1K12
1E18
1J1
1K6 1D10
1F6
1G3
IG4
1K5E28
E27
4
IE(
E01)
(
E02)
W±B
W±B
IB513
W±B
(
*
1) W±B
(
*
1)(
*
4) BR BR BR BR BR BR
BR
BR
BR
BR BR
BR
BR
BR
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±B
W±B W±B W±B W±B
W±B W±B
W±B
W±B
W±BBR BR
BR BR BR W±B W±B W±B
(
E1)
(
E2)
W±B W±B
W±B
W±B W±B DATA LINK CONNECTOR 2
(
TDCL)
DATA LINK CONNECTOR 1
(
CHECK CONNECTOR)
ENGINE CONTROL
MODULE
(
ENGINE AND
ELECTRONICALLY
CONTROLLED
TRANSMISSION)
(
A/T)

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