1997 TOYOTA SUPRA engine

E 2
E 2 1 2
1 2
EBA AI25
B 9B13 C7B15 B6C21 B 16II1 31 II129
IHEA1 2
L- B
L- BL- B
L- B W- B W- B
W- BRADIATOR FAN MOTOR NO. 2 R20
A/C CONDENSER FAN MOTOR A 2
R- L
W- G
L- W
L
LW- B
R- L
B- W
W- G
L- R
B- W B- WL- R L- WL L W- B
W- B W- B
W- B W- B W- B
W- G23 34 16
4
A(
*2) ENGINE CONTROL MODULE E10
IGNITER I 4
JUNCTION
CONNECTOR J 1A/C AMPLIFIERA A12 , A13
C GND VER 1 A/ C- I N BLW HR MGC IGNEXT
(
*1)
B , A14 E 2
1 2
RADIATOR FAN MOTOR NO. 1 R 1
L- B L- B
L- B W- B
MMM
ACMGA/ C(
*1)
AC(
*2)
TACO
231
AIR CONDITIONING* 1 : 2JZ- GTE
* 2 : 2JZ- GE

I12 I12I13
I13 I13 I13
I19 I14 I12 2 1
2 1
2 1 2 1
2 1 IB6 11 IB63II120
II1 26 IF3 7IF38
IG1 6IG13IG17IG11 IG1 11 IG1 4IG15 2 1
A 2A17 A5A6C22 B10 A7C8C9 A 16BR- W
V- W V- W BR- W
V- W BR- W BR- W
BR- W
L- W L- W L- W L- W
BR- W
Y- G
GR- R L- W BR- W
L- W
V- W
G
L- W
L- W
LG
V- W L- Y
Y- L
WV- W LG- R LG- R
W Y- L L- YLG G- Y G- YG GR - RY- G BR- W
L- W G
L- W
L- W
G- YG- Y L- W
V- W
LG
BR- W
Y- L
W
534 2 1
G
V- W (
*1)
S5 TS TR TA M LOCK- I N TPO TE AOD AOFTW
A /C ROOM
TEMP. SENSOR A16 A/C SOLAR SENSOR A17
A/C AMBIENT
TEMP. SENSOR A 1
A/C LOCK SENSOR
[A/C MAGNETIC CLUTCH] A 4
AIR VENT MODE
CONTROL SE RVO MOTOR A26
A/C EVAPORATOR
TEMP. SENSOR A15
ENGINE COOLANT
TEMP. SENSOR
(
A/C SYSTEM) E11
A/C AMPLI FIERA A12 , A13C
L- W
B , A14
L- W (
*2)
M DEF
FACE
234
RADIATOR FAN AND AUTOMATIC

236
RADIATOR FAN AND AUTOMATIC
A4 A/C MAGNETIC CLUTCH
4-GROUND : APPROX. 3.7 W
A3 (A) A/C DUAL PRESSURE SW [A/C TRIPLE PRESSURE SW] (2JZ-GTE)
(A)1 -(A) 4 : OPEN ABOVE APPROX. 225 KPA (33 PSI, 2.3 KG/CM
2) OR 3140 KPA (458 PSI, 32 KG/CM2)
A3 (B) A/C DUAL PRESSURE SW (2JZ-GE)
(B)1- (B)2 : OPEN ABOVE APPROX. 225 KPA (33 PSI, 2.3 KG/CM
2) OR 3140 KPA (458 PSI, 32 KG/CM2)
A12 (C), A13 (A), A14 (B) A/C AMPLIFIER
+B-GROUND : ALWAYS APPROX. 10-14 VOLTS
IG-GROUND : APPROX. 10-14 VOLTS WITH THE IGNITION SW AT ON POSITION
HR-GROUND : APPROX. 10-14 VOLTS WITH THE IGNITION SW AT ON POSITION AND DO NOT TURN THE BLOWER
MOTOR BELOW 1 VOLT WITH THE IGNITION SW AT ON POSITION AND TURN THE BLOWER MOTOR
ACC-GROUND : APPROX. 10-14 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
TW-GROUND :10-14 VOLTS AT START THE ENGINE AND MAX. COLD POSITION OF THE A/C TEMP. CONTROL SW
BELOW 1 VOLT AT START THE ENGINE AND MAX. WARM POSITION OF THE A/C TEMP. CONTROL SW
MGC-GROUND :BELOW 1 VOLT AT START THE ENGINE, PUSH THE A/C AUTO SW AND THE A/C SW ON POSITION
10-14 VOLTS AT START THE ENGINE, PUSH THE A/C AUTO SW AND THE A/C SW OFF POSITION
BLW-GROUND :1.0-3.0 VOLTS WITH THE IGNITION SW ON AND TURN THE BLOWER MOTOR
S5-GROUND :4-6 VOLTS WITH THE IGNITION SW ON
SG-GROUND : ALWAYS CONTINUITY
AMH-AMC :13-19 VOLTS WITH THE IGNITION SW OFF
AOF-GROUND : APPROX. 12 VOLTS WITH THE FACE SW ON
AOD-GROUND : APPROX. 12 VOLTS WITH THE DEF SW ON
GND-GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A124 (2JZ-GTE)A1728H12A29A126 (2JZ-GE)A2428H13B29
A224A2528I427
A3A24 (2JZ-GTE)A2628J129A3B26 (2JZ-GE)B328R125
A424 (2JZ-GTE)B4A28R225A426 (2JZ-GE)B5B28R325
A12C28C10A28R2025
A13A28C12B28T629
A14B28E524V1025 (2JZ-GTE)
A1528E1029V1027 (2JZ-GE)
A1628E1129
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
423R/B NO. 4 (LEFT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1A20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1(LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1K20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA132 (2JZ-GTE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA134 (2JZ-GE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IB436ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)IB636ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IG138INSTRUMENT PANEL WIRE AND COWL NO. 3 WIRE (BEHIND HEATER CONTROL SW)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IK138COWL NO. 4 WIRE AND COWL WIRE (RIGHT KICK PANEL)
SERVICE HINTS

237
AIR CONDITIONING
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EA32 (2JZ-GTE)FRONT SIDE OF RIGHT FENDEREA34 (2JZ-GE)FRONT SIDE OF RIGHT FENDER
EB32 (2JZ-GTE)FRONT SIDE OF LEFT FENDEREB34 (2JZ-GE)FRONT SIDE OF LEFT FENDER
IF36LEFT KICK PANEL
IG36RIGHT KICK PANELIH36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E2I1238INSTRUMENT PANEL WIRE
E532ENGINE ROOM MAIN WIREI1338COWL NO. 3 WIRE
E9I14
E1132ENGINE WIREI1938INSTRUMENT PANEL WIRE
E2134ENGINE ROOM MAIN WIREI25
E2634ENGINE WIRE
122 1
1
23
412
X4
1234X 6789
10 11 12 13 14 15 16 17 18 19 20 21 221234 567
8 9 10 11 X X 14 X 16 17 184
X 13 X 15 16 123 X678
9 1011 17181920 ABLACK A 3 B GRAYA 3
C ORANGE A1 2 A ORANGEA13
B ORANGE A14 BLACK BLACKGR A Y A 1 A 2A 4
121 2
X
23451
23451
2345
121
3 2
1
29 X1011
11 XXABLACK B 4 B BLACKB 5 A BLUEC10
B C12BLACK GRAY
BLACK A15 A16 A17 A24 A25 A26
B 3(
2JZ- GTE)(
2JZ- GE)
12
12
X 23
34X
16
X DARK GRAY DARK GRAY(
2JZ- GTE)
E 5 E10
XXX X 12
X

1
234
2 SUPRA
7IG2AM2 6
IJ11IJ19
4IB1
2
2A2 1
2 1
2 1
2 1
2 1
2 1
2A 6B 5B 4B 10B 11B 12B
1B 2B 3B 9B 8B 4A3A 7B2 1
2 1
ECEC +B I GC1 IGC2 I GC3 IGC4 I GC5 IGC6
I GT1 IGT2 IGT3 I GT4 IGT5 IGT6 IGF+B
IGTEXT
IGFC-
NE G 1 G2 G- IGNITER
I 6
IGNITION COIL NO. 1 I 7
IGNITION COIL NO. 2 I 8
IGNITION COIL NO. 3 I 9
IGNITION COIL NO. 4 I10
IGNITION COIL NO. 5 I11
IGNITION COIL NO. 6
IGNITER
D 4
DI STR IBU TOR
N 1
NO ISE
FIL TE R To Engine Contro l Module < 3- 5> < 3- 6>I 5
IGNI TION
COIL
N 1
NOISE
FIL TERTo En gine Con trol Modu le
<4- 7> To Tach omete r
[Comb. Meter]
<26- 6>To Engine Control Module
<4- 8>
Fr ont side of
int ake manifoldFront side of
in t ake ma ni fo ld
BR BR B R W
R- Y
R- WBR
BR
R- Y
R
L
B- R
LG
W- R
R- W
G
B- OL- YY Y- B Y- GY- R B- O
B- O
B- O
B- O
B- O
B- OB- R
B- O
B- OG B- W
B- O
W- R W- R B- O
B
B- W B- W
B- W B - W
B- O B- O B- O B- O B- O B- OB- O
B- WB- W
I19
IGNITI ON SW
IGNITER
12
34A I 2 BLACK
1 23456
789 111210 B I 3 BLACK
(
2JZ - GTE)
1234
30 A
AM2
BA TTER YGND21
B- O
I 2 A , I 3 B
112345C I 4 BLACK3C 4 C 5C
2C 1 C I 4 C
B- W
1 2
Power Source
Ign ition(
2JZ- G TE)
Ignition(
2JZ- G E)
(
2JZ- GE) (
2J Z- GE)
ST2
K OVERALL ELECTRICAL WIRING DIAGRAM

1
234
3 SUPRA(
Cont. next page)
2ACC
IG1
ST2IG2 AM1 4
8 6 7AM2
2 1
5 3 5
2 1
2
2 1J 4
22 2 2
224 EA18 EA15EA2
11 IC2 12 IC2
2BP15 4
M 6BP1 9IJ1
4IB1
4IJ1
5IJ1 IC 210
IF17
EA22 1B 4
22 2 2
ED IG 1 2
1 2
1 2
1 2
1 2
1 2
Ri ght kick
p anel Rear side of
int ake manifold
12 0A ALT30A EFI NO. 2
30A AM2
50A AM1(
USA)
60A AM1(
Canada)
15 II113 II1 13 IJ2 1J 51J31J6
1E 12
IJ118
ED Re a r s i de of
intake manif old
10A GAUGE7. 5A IGN7. 5 A ST
B- W
B- RL
W- B
B- RO LG- RR LG- B
L- B
BRL- B
B- R W- B8562
16 23 16
12 1
10 134 14
8
3
G
V- W
LW-BV- WGY
B- R
L- RG
V- W
L
B- R B- R
B- W
B- Y
GR
B- R
B- Y
B- Y
B- Y
L
W- R W- R
W
WB- YB- W B- W B- R
B- O
B- WW- B
3EFI NO. 2 RELAYEFI MAIN RELAY
(
Sh ort Pin) EFPCDIFP
TS
WB
F14
FUEL P UMP
D 5
DATA LI NK
CONN EC TO R 2
D 1
DATA LINK
CONN ECTOR 1T o AB S So le n o i d
Relay< 1 9- 2>
ABA/D OPA TC AB S
Fr om Engine
Con tr ol Module
<15- 5>F rom Cr uis e
Contro l ECU
< 17- 2> From Tra ck Off
Indicato r L igh t
[Telltale Light LH]
<20->1>
W
E1 I1 9
IG NI TI O N SW
F1 5
FU EL PU MP ECU+B
234872
1
L BRR G B- YWR-B
R
R- W
R- G
R- Y
R- L
W- B
W- B
W- B
B#10 #20 #30 #40 #50SDL
S 1
S FI RESI STORI12
INJECTOR NO. 1 I13
INJECTOR NO. 2 I14
INJECTOR NO. 3 I15
INJECTOR NO. 4 I16
INJECTOR NO. 5 I17
INJECTOR NO. 6
BA TTERY+B3 2
BR BR
BR L- B B- O
BT 5
MAL FU NCTION
INDI CA TO R LAMP

3 TE 1 BAT
G R- L R- Y R- G R- WR R- B
B- R V- WG L- BBR
BR L- B
BR
From AB S E CU
< 19- 2>
E1 1
1 111 2
222 21E 81K4 14 IC2
2A 1
P- B11TC
From AB S E CU
< 19- 2>
B- RY
B- W
2 2W
Engine Control(
2JZ- GTE)
Power Source
A
B
C
D
E
G
I
K
M
O
Q
S H
J
L
N
P
R 22
LWA
30A EFI NO. 1
I 7. 5A OBD- I
B- W
14 1C
BILef t quar ter pillar Fr ont si de of
left fenderEB IB1 5
B- W
Left kick
pa nel IEB- R V- WG W- BG
W- B
BR W- B
BR
IJ1 12
6 #605SG
4CG
8 5
AB D1 7
DA TA LINK
CO NNEC TOR 3
From Ai rba g
Sen sor Assembly
<13- 3>
9
ECT
+B 12 B
B- YVF
BRBRL B- O B- W(
A/T) B- R
B- Y
GR
B- W
* En gine Con tro l Mo du le For the connectors of the parts lis ted below. see the next page.
B- Y B- WB- R
B- R
To Throttle ECU
<20- 3>
From Airbag Sensor
Assembly <13-3>
From ABS ECU
<19-2>
From Throttle ECU
<20-2>
From Cruise
Control ECU
<17-1>
From ABS ECU
<19-2>
From ABS ECU <19-2>
From Throttle ECU
<20-2>
From Cruise Control
ECU <17-2>
From Airbag Sensor
Assembly <13-3>
K OVERALL ELECTRICAL WIRING DIAGRAM

5
678
3 SUPRA(
Cont' d)
2 1
2 1
2 1
2 1
2 1
BBA B B B B BABAABB BB B
B B AAABBBBBBBA BBBB BBBBBBBB A B12
12
12
4IJ214 IJ2 5 IJ2A
10 I C19IC1 12IC1
IC14
IC18
2 1
2 1 AAAAAAB ABB B
BA BBB BB B BB
121212
1
1
ED Rear side of
int ake
manifold 52 47 72 621225756555453525831 35333432 7574151617181920 11 50 492 1
42
48 71 202 40 39 38 7 3 6 0 17624 3344 24 46 63 4 2 31
23 2 6 6 25 27 7 69 80 7943 2 5 3 2 1 2 3 4 31
4
1
A
A 3 1 6 427 26 14 1 3 40 3 9 51 3845 6 6 2 8 BRL B- O B- R
B- W(
A/T) B- YB- R B- R B - R B- R B- R
W- B W- B
W B- L B- RLP
G- B G- Y
G- R
W- L B- R
B- R B- R
B- R B- R L- W
B- O B- W(
A/ T) GRB- Y W- B W- BL- Y O(
A/T) BR- Y GR- RY- L
GR- R
R- L R - LBR- W BR- WL- BG V- W R- W W- RLG B- RL R R- Y B- R V- Y G- O G- WR- GP V R- BR R- WR- GR- YR- L Y- RW W
B- R
OXS HTS W DI FP CIGT1
IGT2IG T3
IGT4IGT5
IGT6IGF
+BISC1
ISC3ISC2
IS C4 EGREVA P
# 6 0 # 50 # 4 0 # 30 # 2 0 # 10 AB S KNK1 KNK2W- B
B- R B- R
V 7
VSV(
Intake Air Control Valve) V 4
VSV(
Exhaust Bypass Valve)
V 5
V SV(Ex haust Gas Co nt rol V alve)V 6
VSV(
Fue l P res sure Up)
A 5
A /T FLUID
TEMP. SENSOR E 1
EGR GAS TEMP. SENSOR
E 3
ENGI NE COO LANT
TEMP . S ENSOR
V 8
VSV(
Waste Gate Valve)Fr om AB S ECU
< 19- 1>
From
Odo and
Trip Meter
[Telltale
Li ght RH]
<26-1> OX HT
(
SHIEL DE D) (SHI ELDED)
H 5
HEA TED OX YGE N
SE NSOR
(
BANK 1
SENSOR 1)
E+B
OX 1 HT1
TE1SP1 V SV1 VS V2 VSV 3 FP U V SV 4 IGSW
NS WM- RE L
BATTTHW OIL THG
IDL2VTA2
(
SHIELDED)
G R- L R- Y R- G R- WR R- B
B- R V- WG L- BBRBR
BR B- R 1
32
4
R- L BR- WV B- RW
(SHIE LDE D)V 2
VSV(
EGR)
V 3
VSV(
EVAP)
HT
OX+B
E1 H1 1
HE ATED OXY GEN SENSOR
(
BA NK 1 S EN SOR 2)
I 1
IDL E AI R C ONTROL VA LVE
Fro m Igniter
<2- 2><2- 3>
L- R
L- R
W- B W- B
W- B B- RP- L Y- RBR
P- L
W- L
G- O
V- Y
BR
Y
W
B RW- G
WO B- WL B- RBRBR BR BR
W- BR GR- RL- R L- RW- B W- B
BR
(
SHIELDED)
(
SHI EL DED)
AC M G G 1 G- G2 NE NE- E 1 EO 1 EO2E2 THA VG E2G PIM VC
EFI+EFI-
ETC +ETC-
VT01VT0 2
FAIL NE OTHA VG E2 G E2
+B
From A/ C
Magnet ic
Clutch
Relay
< 27- 2>
To Thrott le ECU
< 20- 3> To Cruise Cont rol
ECU< 1 7- 3>
To Throttle ECU
<20- 3>
T14
TU RBO P RES SURE
SENSOR
S 5
S UB THROT TLE
POSITION
SENSORT 2
THROTTL E
POS IT ION
SENS ORM 1
MASS AIR
FLOW METER
From
Stop Li gh t
SW< 7 - 4> To Tachometer
[Comb. Meter]
< 26- 6>
Fro m
Dio de
(Idle- Up)
<21- 3>
A
A
AAA A A
BR
(
SHIELDED)(
SH IE LDE D) (
SHIELDED)
OL B- R
B- W
WC 3
CRA NKS HAFT
POS ITION SENS OR
C 2
CAMS HAFT
POSI TION
SEN SO R NO. 2 J 2
J UNCTION
C ONNE CTOR
K 2
KNOCK SENSOR
(
on Re ar Side)
K 1
KNOCK SENSOR
(
o n Front Side)C 1
C AMSH AFT POSITION
S ENS OR NO. 1
BR
B- R
E NGINE CONTRO L MO DULE E 9 B , E10 A GR
B- R B - R
(
A/T)
Engine Control(
2JZ- G TE)
A
B
C
D
E
G
I
K
M
O
Q
SH
J
L
N
P
R F
TA CO IDL1STP E2 VTA 1
VCC PM1 ELSA ABBBBBA 15 1 6 62 4 1 43 64 65 4
G- W
W- B
R
Y
L- R
B- Y
B- W
R- Y
EF I FB 67P
Fr om Th rott le ECU
<20- 3><20- 4>
IJ120
B- R
B- R
6IJ1 A SDL
8
7IJ1B
78E03
BR
GG
(
SHIELDED)
(
SHIE LDED) A
34L- RA/CFr om A/C
Amplifier
< 27- 5>
B
77BSTA * Engine Con tro l Module For th e co nnector s of the parts lis ted below. see t he n ext pa ge.
W- B
(
Cont. next page)
From Park/Neutral
Position SW (A/T)
<1-3>
From Clutch Start
SW (M/T) <1-3>
K

9
1011 12
3 SUPRA(
Cont' d)
Engine Control(
2JZ- G TE)
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 E 9 D AR K GRAY AE10 DARK GRAY ENG INE CO NTRO L MOD ULE
K OVERALL ELECTRICAL WIRING DIAGRAM