1997 TOYOTA SUPRA horn

Position of Parts in Engine Compartment
[2JZ-GTE]
R 1 Radiator Fan Motor No.1
R 2 Radiator Fan Relay No.1
R 3 Radiator Fan Relay No.2
R20 Radiator Fan Motor No.2
S 1 SFI Resistor
S 2 Starter
S 3 Starter
S 5 Sub Throttle Position Sensor
S18 Sub Throttle Valve Motor
T 1 Theft Deterrent Horn
T 2 Throttle Position Sensor
T14 Turbo Pressure Sensor
V 2 VSV (EGR)
V 3 VSV (EVAP)
V 4 VSV (Exhaust Bypass Valve)
V 5 VSV (Exhaust Gas Control Valve)
V 6 VSV (Fuel Pressure Up)
V 7 VSV (Intake Air Control Valve)
V 8 VSV (Waste Gate Valve)
V10 Vehicle Speed Sensor No.1 (Combination Meter)
V11 Vehicle Speed Sensor No.2 (Electronically
Controlled Transmission)
W 1 Washer Motor I 1 Idle AIr Control Valve
I 2 Igniter
I 3 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
I12 Injector No.1
I13 Injector No.2
I14 Injector No.3
I15 Injector No.4
I16 Injector No.5
I17 Injector No.6
K 1 Knock Sensor (on Front Side)
K 2 Knock Sensor (on Rear Side)
M 1 Mass Air Flow Meter
N 1 Noise Filter
O 1 O/D Direct Clutch Speed Sensor
O 2 Oil Pressure SW
P 1 PPS Solenoid
P 2 Park/Neutral Position SW, Back-Up Light SW and
A/T Indicator Light SW (A/T)
P13 Parking Light LH
25
G

27
G
Position of Parts in Engine Compartment
[2JZ-GE]
O 2 Oil Pressure SW
P 1 PPS Solenoid
P 2 Park/Neutral Position SW, Back-Up Light SW and
A/T Indicator Light SW (A/T)
P 3 Power Steering Pressure SW
P13 Parking Light LH
S 2 Starter
S 3 Starter
T 1 Theft Deterrent Horn
T 2 Throttle Position Sensor
V 1 VSV (ACIS)
V 2 VSV (EGR)
V 3 VSV (EVAP)
V 6 VSV (Fuel Pressure Up)
V10 Vehicle Speed Sensor No.1 (Combination Meter)
V11 Vehicle Speed Sensor No.2 (Electronically
Controlled Transmission)
W 1 Washer Motor H 1 Headlight Hi LH
H 2 Headlight Hi RH
H 3 Headlight Lo LH
H 4 Headlight Lo RH
H 8 Horn LH
H 9 Horn RH
I 1 Idle Air Control Valve
I 4 Igniter
I 5 Ignition Coil
I 12 Injector No.1
I 13 Injector No.2
I 14 Injector No.3
I 15 Injector No.4
I 16 Injector No.5
I 17 Injector No.6
K 1 Knock Sensor (on Front Side)
K 2 Knock Sensor (on Rear Side)
M 1 Mass Air Flow Meter
M 2 Main Heated Oxygen Sensor (Bank 1 Sensor 1)
M 3 Main Heated Oxygen Sensor (Bank 2 Sensor 1)
N 1 Noise Filter

12
12
12
12
12
12
12
12 12
1212
12
12
122
73
4
8 6
E 7
2 2 2
2 2 2 2
2 2 22
2
2
2
2
2
2
2
2
2 2 2 2 IB14
1 3 2 3 4 21
3
5
1
4
2 W- R W- RW
W- R R
B
W- RW
W- L
G
B- Y
B- R B- W
R
R
R- W R- Y
B
B
R- L W W
L- YY B- O B- WG- RW WR L- Y
B
W
(
*1)(
*2) (
*2)(
*2)
(
USA) 120A ALT
20A RAD NO. 1
7. 5A DOME
7. 5A ALT- S
15A HAZ- HORN60A POWER
60A ABS NO. 1
50A HTR
30A FAN
(
*2)
30A EFI NO. 1
30A EFI NO. 2
(
*2)
30A ABS NO. 2
(
*2)
7. 5A TRAC
(
*2)R- WTO DIMMER SW
[COMB. SW]
TO STARTER
FROM PA RK/ NEUTRA L
POSITION SW
(
A/T)
CLUTCH START SW
(
M/T)
TO DAYTIME
RUNNING LIGHT
RELAY (
MAIN) TO GENERATOR
ºBº
IGNITI ON SW I19
HEADLIGHT
RELA Y
STARTER RELAY
DIMMER RELAY
(
DAYTIME RUNNING
LIGHT RELAY NO. 2)
(
*1) 2
1250A AM1 (
US A)
60A AM1 (
*1)
2 2W2
W
TO GENERATOR
ºBº W
WW
(
*1)
(
*1)(
*1)
(
*1)(
*1) W
L- O
L- OTO THEFT
DETERRENT AND
DOOR LOCK
CONTROL ECU 7. 5A OBD- E 7 : * 2
E2 0 : * 3 E 7 : * 2
E20 : * 3
AM2 AM1ACC
IG1
ST1IG2
1J 41B 4
1230A AM22A1
1250A MAIN
15A FOG2B 1
BATTE RY
56
POWER SOURCE

15A
HA Z- HORN
5 6
5 1 2
2 1 I 3
I 3
I 2
B 4
IE EB BI EA BJ IHA A 2
4 44IF1 12IF1 17
B 6 A
B 7 IF1 4IB1 3
W W W
G- R W- R
R- B
G- B
G- Y R- B
G- B G- B W- BG- B W- B W- B
W- B
W- B W- B
W- B W- BR- B
G- B
G- Y
G- Y
G- Y
G- B
R- B
G- Y
G- B
G- Y
G- B
W- B G- Y
G- YW- B
W- B R- B W- RW- B
9 756 158
3 21FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
810 2
15 HAZARD SW H10C13
TURN SIGNAL
FLASHER
FRONT TURN SIGNAL
LIGHT LH F 7
FRONT TURN SIGNAL
LIGHT RH F 8 REAR TURN S IGNAL
LIGHT LH
[REAR COMB. LIGHT LH] R 9
REAR TURN S IGNAL
LIGHT RH
[REAR COMB. LIGHT RH] R10TURN SIGNAL
INDICATOR LIGHT
[COMB. METER]
JUNCTION
CONNECTOR J 1 LH TURN RH BL
E
E 2 : 2JZ- GTE
E18 : 2JZ- GEE 2 : 2JZ- GTE
E18 : 2JZ- GEA C10 , C12
B 1
1C 41H11
1A71E 191C 31H7
1A41E 14
7. 5A
TURN
1E 7
6
TURN L H
RHTB TL TR TURN SIGNAL SW [COMB. SW]HAZARD OFF
ONF TBB2TLB1TR
11 2
TURN SIGNAL AND HAZARD WARNING LIGHT

129
HORN
13 22
2 2
61 1 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
W L- R L- R L- R
215A
HAZ- HORN
HORN
RELAY
HORN SW
[COMB. SW] C13H 8 H 9
HORN LH HORN RH 1
IB2 16
L- R
L- B L- B
L- B E 2 : 2JZ- GTE
E18 : 2JZ- GE
2
I 2
TO THEFT
DETERRENT ANDDOOR LOCK
CONTROL ECU
HORN RELAY
(2) 2- (2) 3 : CLOSED WITH THE HORN SW ON
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1328H 827 (2JZ-GE)H 927 (2JZ-GE)
H 824 (2JZ-GTE)H 924 (2JZ-GTE)
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 232ENGINE ROOM MAIN WIREI 238COWL WIRE
E1834ENGINE ROOM MAIN WIRE
SERVICE HINTS

15A
HA Z- HORN
222 2
IB2 16
IB6 19
IF2 14EA17
I 2
IF26
I21 I21
ID1 7ID11IL19IL110 IL17IL12IL18IL112I21
I21
B 2 8 21
4 23
3 21 HORN SH
L1 UL1 UL12 LS WP ACT- A CT+ E
3 12
4
IH IL116 IL1 11
W- BL- RL- Y G- BW G- Y
W- B W- B W- B
W- B
G- R R- W
G- R R- W G- Y
L- YL- Y
P- B L-R L-R L-R L-RL- B
WW
W
P- B
P- B L- RW
FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
1
2 312
D16D13 D14 P 8
L- R L- R
W- B
W- B W- B W- B
W- BL- Y G- BW G- Y R- WG- R R- W
G- R G- RR- W DO OR L OCK
CO NTROL SW LH
[POWER WI NDOW
MASTER SW]
DO OR L OCK
CO NTROL SW RH
DOOR KEY LOCK AND
UNLOCK SW RH
DOOR LOCK MOTOR AND
DOOR UNLO CK DE TECTION
SW RH
THEFT DETERRENT AND DOOR LOCK CONTROL ECU
L- Y G- B
TO HORN SW
[COMB. SW]
(
*2)
(
*1 M/T) (
*2)
(
*1) HORN
RELAYP- B
P- B(
*2)
(
*1) (
*3)
L- R
THEFT DETERRENT
HORN T 1
2 1
B 2W- BI21
L- R
L- R II1 22
B 24 B11
B 5B8B16 B21 A2A3A4 B T 7 , T1 3A I19P- B
P- B (
*1 A/T) (
*2)
MUNLOCKLOCKLOCK UNLOCKUNLOCKLOCK
131
* 2 : 2JZ- GTE * 1 : 2JZ- GE
* 3 : EXCEPT 2JZ- GE M/T

1
234
9 SUPRA
2AC C
IG1 AM1 4
221J 5
1J 4
12 IF1 17 IF11E 14 1E19 1 A4 4IF1 3IB1
7
1H
11
1H3
1C
7
1A
1C 4
IE4 44 2A
BI BJ EB1 22
22
16 IB2
10
2 1
EA IH15 B 6 A
7A 1B 41E 7 I19
IGNITION SW
H10
HAZ ARD
SW50A AM1(
US A)
60A AM1(
Cana da)
120 A A LT
15A
HA Z- H ORN
7. 5A
TU RN
B1 F TB TR B2 TL
OFF
ON
BAT TERY
Lef t kic k
panelRigh t kic k
pan el Front side
of left
fender Lower
back
panel
cent er Le ft quarter
pi lla r
R 9
REA R TURN SIGNAL
LI GHT LH
[REAR COMB. LI GHT LH] R1 0
RE AR TUR N SIGNA L
LIGHT RH
[ REAR CO MB . L IGH T R H]F 7
FRONT TURN SIGNAL
LIGHT L H F 8
FRONT TURN SIGNAL
LIGHT RH TURN SIGN AL
I NDICATOR L IGHT
[COMB. METER]
J 1
JUNC TION
CO NNE CTORH 8
HORN LHH 9
HOR N RHC13
HOR N S W
[COMB . SW]To Theft Deterr ent
an d Door Lock Control
ECU< 14- 4>
C1 0 A , C1 2 B
HORN
REL AYL- 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 1 10111216 11 10 9 8 5 4 3 2 1 12131467 15 A C10 BL UE BC1 2 TURN SIGNA L INDICA TOR LI GHT
[COMB. METER]
TUR N
SI GNAL
FLA SHERC13
TURN SI GNAL SW
[COMB. SW]
LH RH
Fron t side o f
r igh t fe nder 12 2
WP ower Source Turn Signal and Hazard W arning Light Horn
W
K OVERALL ELECTRICAL WIRING DIAGRAM

1
234
14 SUPRA
22221J 41B 21J51J8 2ACC
IG1 AM13
4
1B 4
1H 15 1E17 1E2
13 IF16IF2
13 ID119 IB 6
11 IF2 9IF3 4IE1
4IB67ID1 1 ID1
2 1
2 1
1J 11D101B 5
1E 11
9IL1 10IL115 IF 2 16 IF2 10 I F2 1 4 I F2
7IL1 2IL1
6ID1 16ID1 12IL1 8IL1
16 I L1 5ID1 11 IL1M M 7EA1
3ID1
L- W L- WB- RL- R
W
W- L
W(
*2)
W(
*1)
RW(
*1) WY
GRG G- Y G- Y R- WG- R
P- B
P- BP- B P- B
W- B W- B W- B
L LGR YW G- Y
W- B W- B W- B
W- B
R- WG- R G- R
R- W
3843
R- B G- WR- Y L- OL- R L- R
L- O
R- Y
G- W
LGW L- Y G- B
L- Y L- R W- B
G- R R- WL- WL- Y L- RL- RW- B W- B W- B
L- W
1
1 2 21 23 21
14 21
32 43
L- R L- R W
W- BW- B G- Y
R- W
G- R R
G
B- Y
22 22 2
1
1
1 1 1
W
G- Y
W- B W - BL- Y
W- B
P- BL- R L- Y G- B
GR
BA TTERY
12 0A AL T
15 A
HAZ- H ORN
7. 5 A DOM E 60A POWER50A AM1(
USA)
60A AM1(
Canada)L 3
LUGGAGE
C OMP ARTMENT
KEY UNLOCK SWE 6
ENGIN E HOO D
COURT ESY SW 30 A D0 0R 10A E CU- IG15A CIG
W- LUNLOCKLOCK UNLOCKLOCK UNLOCK
LOCK
UNLOCK
LOCK
D12
DOOR KEY LOCK AND
UNLOC K SW LH P 8
D OOR L OCK CO NTRO L SW LH
[POWER WINDOW MASTER SW]D14
DO OR LO CK CONT ROL
SW R H D13
DOOR KEY LOCK AND
UNLOC K SW R H D1 5
DOO R L OCK MOTOR AN D DO O R
UN LOCK DETECTI ON SW L H D1 6
DOO R L OCK MOTOR AN D DO O R
UN LOCK DETECTI ON SW R H
B
I19
IGNITION SW
L UG DSWH KSW UL3 L2 L1 UL1 UL 12 L SWD ACT- LS WP A CT+ EHORN SRLY HEA D TA I L DSWD DS WL +B1 SH ACC IG +B2
R Fr om Hor n Relay
<9- 4>
Fr om St arter Relay
<1- 2>
From He adli gh t Rela y
<5- 2 <6- 2>
From T ai lli gh t Rela y
<7- 1>
To Doo r Co urtes y
SW LH< 10- 1>
To Luggag e Co mpar tment
Light SW< 10- 4>
* 1 : 2JZ- GE
* 2 : 2JZ- GTE
THE FT DETE RRENT AND
DO OR LO CK CO NTROL E CU
BJ EA IEFront side of
right fe nderLeft kick pa ne l
W(
*1)
IH Right k ic k pan el L ower back
panel center 2A 1T 1
THEFT
DETE RREN T
HOR N
W( * 2)
(
*2) (
*1)(
*1 M/T)
(
*2)(
*2)
4IF3
T 5
TH EFT DETE RRENT
I NDIC AT OR LI GHT
[ TELLTA LE LIGHT L H]
1E 1810INDW- L W- B9
R- L R- LDSWP2
2 1
22 II1
R- BIF2 3
2 2
W
2Power SourceTheft Deterrent and Door Lock Control
W- B 9A 7A 8A 11B
9B 14B 19B 12B 20B 6B 22B 5B 8B 16B 15B 2A 21B 3 A 4A1B 4B 7B 23B 10B 25B 24B 6A12 IF 3
Y Y
To P o we r Ma i n
Relay < 1 2- 1>PRLY12 3
456789
19 20 1 234 6 7891011
25 24 23 22 21 17 15 14 13 12 185
16B T13 ORA NGEA T 7 OR ANGE THEFT DETERR EN T A ND
DOOR L OCK C ONTR OL EC U
T 7 A , T1 3 B
To Unlock Warn in g
SW< 10 - 2>
To Door Courtesy
SW RH< 10- 2> P- B
(
*3) P- B
(
*1 A/T)
* 3 : Except 2JZ- GE M/T
K