Page 1113 of 1807
![TOYOTA SUPRA 1997 Service Repair Manual 124
ILLUMINATION
TAILLIGHT RELAY
5-3 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
C13 LIGHT CONTROL SW [COMB. SW]
2-1 1 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
: PAR TOYOTA SUPRA 1997 Service Repair Manual 124
ILLUMINATION
TAILLIGHT RELAY
5-3 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
C13 LIGHT CONTROL SW [COMB. SW]
2-1 1 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
: PAR](/manual-img/14/57469/w960_57469-1112.png)
124
ILLUMINATION
TAILLIGHT RELAY
5-3 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
C13 LIGHT CONTROL SW [COMB. SW]
2-1 1 : CLOSED WITH THE LIGHT CONTROL SW AT TAIL OR HEAD POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A2928H1029R 629
C 728H1229R 829
C1028I2029S 629
C1328J 129T 629
E 829O 529T 829
G 329R 4A29
G 429R 5B29
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1B20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I
1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
()
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IH138INSTRUMENT PANEL AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)IH238INSTRUMENT PANEL AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
IH36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 438COWL WIREI1438INSTRUMENT PANEL WIREI1038COWL WIREI1938INSTRUMENT PANEL WIRE
I1238INSTRUMENT PANEL WIRE
SERVICE HINTS
Page 1114 of 1807
1212
13 X122X
11
1212
12 A2 9 C 7 C10 C13
E 8 G 3 G 4
X2 3X
8
X20
A AAABBB
AA AABBBB B
(
HINT : SEE PAGE 7)3 110 X 5
2
9X132354
X10 X X H10 H12
I20 J 1 O 5
R 6 R 8 S 6 T 6
T 8BLUE BLACK
BLACKORANGE
BLUE
BL ACK
BLACKA
R 4B
R 5 BLACK
BLACK
12
12 X
XXX
125
Page 1115 of 1807
IB27
M 12
IB2 9IB28IB22
IE EB 6
3
8
2365
1 F 9W 1
FRONT WIPER MOTORWASHER MOTOR FROM POWER S OURCE SYSTEM (
SEE PAGE 56)
L- O L
L- W
L- R
G- WL- O
L
LL
L- WL L- R G- W
L W- BW- B W- B
E 9 : 2J Z- GTE
E2 1 : 2 JZ - GE
L W- B
G- W
L- R
L- W
20A
WIPER
1H 51A1
M
1J 11K 12
8
1
4
7
1
1
OFF
MIST
INT
LOW
HI G H
WASHER
C14
FRONT WI PER AND WASH ER SW
[COMB. SW]
126
FRONT WIPER AND WASHER
Page 1116 of 1807

127
WITH THE IGNITION SW TURNED ON, THE CURRENT FLOWS TO TERMINAL 18 OF THE FRONT WIPER AND WASHER SW,
TERMINAL 2 OF THE WASHER MOTOR AND TERMINAL 6 OF THE FRONT WIPER MOTOR FROM THE WIPER FUSE.
1. LOW SPEED POSITION
WITH THE WIPER SW TURNED TO LOW POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE FRONT WIPER AND
WASHER SW TO TERMINAL 7 " TERMINAL 3 OF THE FRONT WIPER MOTOR " TERMINAL 1 " TO GROUND AND CAUSES THE
WIPER MOTOR TO RUN AT LOW SPEED.
2. HIGH SPEED POSITION
WITH THE WIPER SW TURNED TO HIGH POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE FRONT WIPER AND
WASHER SW "TERMINAL 13 " TERMINAL 2 OF THE FRONT WIPER MOTOR" TERMINAL 1 " TO GROUND AND CAUSES TO THE
WIPER MOTOR TO RUN AT HIGH SPEED.
3. INT POSITION
WITH THE WIPER SW TURNED TO INT POSITION, THE RELAY OPERATES AND THE CURRENT WHICH IS CONNECTED BY RELAY
FUNCTION FLOWS FROM THE TERMINAL 18 OF THE FRONT WIPER AND WASHER SW" TERMINAL 16" TO GROUND. THIS
FLOWS OF THE CURRENT OPERATES THE INTERMITTENT CIRCUIT AND THE CURRENT FLOWS FROM TERMINAL 18 OF THE
FRONT WIPER AND WASHER SW " TERMINAL 7 " TERMINAL 3 OF THE FRONT WIPER MOTOR " TERMINAL 1 " TO GROUND
AND FUNCTIONS.
THE INTERMITTENT OPERATION IS CONTROLLED BY A CONDENSER'S CHARGED AND DISCHARGED FUNCTION INSTALLED IN
RELAY AND INTERMITTENT TIME IS CONTROLLED BY A TIME CONTROL SW TO CHARGE THE CHARGING TIME OF THE
CONDENSER.
4. MIST POSITION
WITH THE WIPER SW TURNED TO MIST POSITION, THE CURRENT FLOWS FROM TERMINAL 18 OF THE FRONT WIPER AND
WASHER SW "TERMINAL 7 "TERMINAL 3 OF THE FRONT WIPER MOTOR " TERMINAL 1 "TO GROUND AND CAUSES THE
WIPER MOTOR TO RUN AT LOW SPEED.
5. WASHER CONTINUOUS OPERATION
WITH THE WASHER SW TURNED TO ON, THE CURRENT FLOWS THROUGH TERMINAL 2 OF THE WASHER MOTOR "TERMINAL
1" TERMINAL 8 OF THE FRONT WIPER AND WASHER SW " TERMINAL 16 " TO GROUND AND CAUSES TO THE WASHER MOTOR
TO RUN, AND WINDOW WASHER IS JET. THIS CAUSES THE CURRENT TO FLOW WASHER CONTINUOUS OPERATION CIRCUIT IN
TERMINAL 18 OF THE FRONT WIPER AND WASHER SW " TERMINAL 7 " TERMINAL 3 OF THE FRONT WIPER MOTOR" TERMINAL
1 " TO GROUND AND FUNCTION.
C14 FRONT WIPER AND WASHER SW [COMB. SW]
16-GROUND : ALWAYS CONTINUITY
18-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
7-GROUND : APPROX. 12 VOLTS WITH THE WIPER AND WASHER SW AT LOW POSITION
: APPROX. 12 VOLTS EVERY APPROX. 1 TO 10 SECONDS INTERMITTENTLY WITH THE WIPER SW AT INT POSITION
4-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON UNLESS THE WIPER MOTOR AT STOP POSITION
13-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW ON AND THE WIPER AND WASHER SW AT HIGH POSITION
F 9 FRONT WIPER MOTOR
5-6 : CLOSED UNLESS WIPER MOTOR AT STOP POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1428F 926 (2JZ-GE)W 227 (2JZ-GTE)
F 924 (2JZ-GTE)W 125 (2JZ-GTE)
: 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)
1H
1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
20COWL 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)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
SYSTEM OUTLINE
SERVICE HINTS
Page 1117 of 1807
128
FRONT WIPER AND WASHER
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EB32 (2JZ-GTE)FRONT SIDE OF LEFT FENDEREB34 (2JZ-GE)FRONT SIDE OF LEFT FENDER
IE36LEFT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 932ENGINE ROOM MAIN WIREE2134ENGINE ROOM MAIN WIRE
Page 1118 of 1807
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
Page 1119 of 1807
1
50A MAIN
1
60A POWER
52 31
13 242
2
222IJ1 2
IB2 13
IF2 15
IF2 16 IF210 IJ213 EA13
1 2
IF2 11
1 25
6
ID1 16 ID1 6 ID1 3 ID1 13
ID1 5 3I21
B 1
IETAIL HEAD SRLY
KSW IND UL3 L2 LSWD
32 10
L- OR- YG- W
R- Y
L- O
BB- W B L- OB R- Y G- WW- L B
Y
W- L
G
G- Y
B Y W- B
W- B W- B
W- B
W- B
L- RL- W
L- YW
G- Y
L- W
L- Y
L- R
W- BL- Y G- Y
W- B W- BG- YB
B
B- W 2 2
9P 2
U 1
DOOR LOCK MOTOR AND
D OO R UNL O CK DE TEC TI ON
SW LHDOOR KEY LOCK AND
UNLOCK SW LH
D15D12
UNLOCK
WA RNIN
SW
T 5
THEFT DETERRENT INDICATOR LI GHT
[TELLTALE LIGHT LH]
PARK/NEUTRAL
POSITION SW
THEFT DETE RRENT AND DOOR LOCK CONTROL ECU (
A/T) (
M/T)
STARTER
RELAY HEADLIGHT
RELAY
(
A/T)
(
M/T)
(
M/T)
FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
CLUTCH
START SW C 9
G- Y
BATTERYI 4
B
(
A/T)
B 1 2 2
W
B 23 B10 B25
B 20 B12 B6B22 B15 B T 7 , T13AIB2 12
P
N
G
12
UNLOCK
LOCK
M 14
1J 11D10 1K 12 1E18
1B 2
1K 11
TAILLIGHT
RELAY32 51
7. 5A
ST
1K 4
1
120A ALT
2A2
1
130
THEFT DETERRENT AND DOOR LOCK CONTROL
Page 1120 of 1807
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