1997 TOYOTA SUPRA warning light

134
THEFT DETERRENT AND DOOR LOCK CONTROL
D10, D11 DOOR COURTESY SW LH, RH
3-2 : CLOSED WITH THE DOOR OPEN
D12, D13 DOOR KEY LOCK AND UNLOCK SW LH, RH
1-3 : CLOSED WITH THE DOOR LOCK CYLINDER UNLOCKED WITH KEY
2-3 : CLOSED WITH THE DOOR LOCK CYLINDER LOCKED WITH KEY
D15, D16 DOOR LOCK MOTOR AND DOOR UNLOCK DETECTION SW LH, RH
1-3 : CLOSED WITH UNLOCK POSITION.
E 6 ENGINE HOOD COURTESY SW
1-2 : CLOSED WITH THE ENGINE HOOD OPEN
U 1 UNLOCK WARNING SW
2-1 : CLOSED WITH THE IGNITION KEY IN CYLINDER
L 3 LUGGAGE COMPARTMENT KEY UNLOCK SW
2-1 : CLOSED WITH THE DOOR LOCK CYLINDER UNLOCKED WITH KEY
L 5 LUGGAGE COMPARTMENT LIGHT SW
1-GROUND : CLOSED WITH THE DOOR OPEN
T 7 (A), T13 (B) THEFT DETERRENT AND DOOR LOCK CONTROL ECU
(B)9-GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR TO UNLOCK POSITION
(B) 14-GROUND : CONTINUITY WITH THE ENGINE HOOD OPEN
(B)4-GROUND : CONTINUITY WITH THE LUGGAGE COMPARTMENT DOOR OPEN
(B)8-GROUND : CONTINUITY WITH THE DOOR LOCK CONTROL SW TO UNLOCK POSITION
(B)5-GROUND : CONTINUITY WITH THE DOOR LOCK CONTROL SW TO LOCK POSITION
(B) 25-GROUND : APPROX. 12 VOLTS WITH THE SHIFT LEVER IN N OR P POSITION AND THE IGNITION SW AT ST POSITION (A/T)
: APPROX. 12 VOLTS WITH THE CLUTCH PEDAL FULLY DEPRESSED (M/T)
(A)7-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON POSITION
(B) 20-GROUND : CONTINUITY WITH THE IGNITION KEY IN CYLINDER
(B) 15-GROUND : CONTINUITY WITH THE LH DOOR TO UNLOCK POSITION
(B) 21-GROUND : CONTINUITY WITH THE RH DOOR TO UNLOCK POSITION
(B)6-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW LH TO UNLOCK POSITION
(B) 16-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW RH TO UNLOCK POSITION
(B) 22-GROUND : CONTINUITY WITH THE DOOR KEY LOCK AND UNLOCK SW TO LOCK POSITION
(A)4-GROUND : ALWAYS CONTINUITY
(B)1-GROUND : ALWAYS APPROX. 12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C 928D1630P 830
D1030E624 (2JZ-GTE)T125 (2JZ-GTE)
D1130E 626 (2JZ-GE)T 127 (2JZ-GE)
D1230L 330T 529
D1330L 530T 7A29
D1430P225 (2JZ-GTE)T13B29
D1530P 227 (2JZ-GE)U 129
: 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)
1D20FRONT DOOR LH WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H
1I20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
2A22BATTERY AND J/B NO.2 (ENGINE COMPARTMENT LEFT)
SERVICE HINTS

1 2
I 9
I 2 4 2
B 4B 9B11 B 2B12
A 3A14 A19 A20 B1B7B3B10
IB5 1IB52IB24IB25IC23
1 2
1 2
2 1
2 1IC2 8
ABS SPEED SENSOR
REAR LH ABS SPEED SENSOR
FRONT LH ABS SPEED SENSOR
FRONT RH
ABS SPEED SENSOR
REAR RH
STP IG1 D/GTC WA
FR+ FR- FL+ FL- RR+ RR- RL+ RL-
ABS WARNING LIGHT
[TELLTALE LIGHT LH]
STOP LIGHT SW
DATA LINK CONNECTOR 2 D 5
S11T 5 A1 1
A1 0
A3 2
A31
RL
LG- BB- R
WY
G- W
LGV
LGV PL B W
B W L R
L R
RL
B- R
L
R14 4 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
ABS ECUA A18 , A19B IF2 12
L
ED IJ1 18
BR BR
3
BR (
SHIELDED)
10A
ECU- I G15A
STOP 10A
GAUGE
1K 13 1I10 1E 12
TC ABS THA
161

FR OM POWER SOUR CE SYS TEM (
SEE PAGE 56)
15A
STOP
I 4
I183 5 1 2 2
A 20 A 7 A 19 A 6 A 5 A 13 A 11
A 3 A 16 A 4 A 17 A 25 A 12 B 9 B 3 B 2 B 8 A 9 A 22 A 23 A 10IF2 12
IB5 2 IB5 1 IB2 5 IB2 4 IC2 8 IC2 3
IE IG8 16 7 15 4
2 1
2 1
1 2
1 2 1 2THROTTLE ECU T16
ABS DECELERATION SENSOR A23 ABS ECUB A2 0 , A2 1A
ABS SPEED SENSOR REAR RH A32
ABS SPEED SENSOR REAR LH A31
ABS SPEED SENSOR FRONT LH A10
ABS SPEED SENSOR FRONT RH A11STOP LIGHT SW S11 ABS WARNING LIGHT
[TELLTALE LIGHT LH] T 5
RR- RL+ RL- FL+ FL- FR+IG1 STP RRO RLO
L
L
L
B- R
G- W
Y- B
GR- R L
P
V
LG
W
B
RV
LG
W
B
R
LL
(
SHIELDED) W- B
W- B
G
R W- B
W- B
GL1 GG ND GND2 GND1 FR-VGS GL2
W
B (
SHIELDED)
FRO FL O
LG- B
OY L
W
RR+A 18IJ1 14
Y- R Y- R
11
EXO E10
ENGINE CONTROL MODULE
5
L
I 9 W- B WA
FL O FRO RLO RRO WA
ABS
GGND GL1 GL2 VGS
10A
GAUGE
1E 1210A
ECU- IG
1K 13 1I10
165

3 4SHIFT LOCK
SHIFT LOCK
SOLENOID
4 62 1 5
IEKEY INTERLOCK SOLENOID
[UNLOCK WARNING SW] ACC IG STP
KLS+EL- RL G- WG G- R
V
W- B W- B W- B
G- WB- RL- R
SHIFT LOCK ECU
U 1S 7
W
1 2
STOP LIGHT
SW S11
W- BP1
P
P2
SLS-
SLS+4
1
3
1
1K 12
1J 1
CONTROL SW
2
FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
1I 14 1I91I10 15A
CIG10A
ECU- IG15A
STOP
184
SHIFT LOCK

1 2
2 1SEAT BELT
WARNING LIGHT
[TELLTALE
LIGHT RH] T 6
Y
W- B
IE BI
R- B R- BY W- B
DOOR COURTESY
SW LH D10
2 3
I 7IC2 15
W- B
W- B W- B
B- W W- B
161
R
R
1B 5
1J 11C12 1I16 1I 15 INTEGRATION RELAY
86 5 17
10
1K 121E 1
Y-
9
1E 12 27. 5A
DO ME10A
GAUGE FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
2 1

UNLOCK
WARNING SWBUCKLE
SW LH B 6 U 1
194
UNLOCK AND SEAT BELT WARNING

195
CURRENT ALWAYS FLOWS TO TERMINAL 1 OF THE INTEGRATION RELAY THROUGH DOME FUSE.
1. SEAT BELT WARNING SYSTEM
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS FROM THE GAUGE FUSE TO TERMINAL 7 OF THE
INTEGRATION RELAY. AT THE SAME TIME, CURRENT FLOWS TO TERMINAL 9 OF THE RELAY FROM THE GAUGE
FUSE THROUGH THE SEAT BELT WARNING LIGHT. THIS CURRENT ACTIVATES THE INTEGRATION RELAY AND
CURRENT FLOWING THROUGH THE WARNING LIGHT FLOW FROM TERMINAL 9 OF THE RELAY " TERMINAL 10 "
GROUND, CAUSING THE WARNING LIGHT TO LIGHT UP. A BUCKLE SW OFF SIGNAL IS INPUT TO TERMINAL 8 OF
THE RELAY, THE CURRENT FLOWING TO TERMINAL 7 OF THE RELAY FLOWS THROUGH TERMINAL 10 " GROUND
AND THE SEAT BELT WARNING BUZZER SOUNDS FOR APPROX. 4-8 SECONDS. HOWEVER, IF THE SEAT BELT IS
PUT ON DURING THIS PERIOD (WHILE THE BUZZER IS SOUNDING), SIGNAL INPUT TO TERMINAL 8 OF RELAY
STOPS AND THE CURRENT FLOW FROM TERMINAL 7 OF THE RELAY "TERMINAL 10 "GROUND IS CUT,
CAUSING THE BUZZER TO STOP.
2. UNLOCK WARNING SYSTEM
WITH THE IGNITION KEY INSERTED IN THE KEY CYLINDER (UNLOCK SW ON), THE IGNITION SW STILL OFF AND
DRIVER'S DOOR OPENS (DOOR COURTESY SW ON), WHEN A SIGNAL IS INPUT TO TERMINAL 6 OF THE RELAY, THE
INTEGRATION RELAY OPERATES, CURRENT FLOWS FROM TERMINAL 7 OF THE RELAY "TERMINAL 10 "
GROUND AND UNLOCK WARNING BUZZER SOUNDS.
B6 BUCKLE SW LH
1-2 : CLOSED WITH THE DRIVER'S SEAT BELT IN USE
D10 DOOR COURTESY SW LH
3-2 : CLOSED WITH THE LH DOOR OPEN
U1 UNLOCK WARNING SW
2-1 : CLOSED WITH THE IGNITION KEY IN CYLINDER
INTEGRATION RELAY
10-GROUND : ALWAYS CONTINUITY
6-GROUND : CONTINUITY WITH THE DRIVER'S DOOR OPEN
5-GROUND : CONTINUITY WITH THE IGNITION KEY IN CYLINDER
8-GROUND : CONTINUITY WITH THE DRIVER'S SEAT BELT IN USE
9-GROUND :0 VOLTS WITH THE IGNITION SW ON AND BUCKLE SW OFF
1-GROUND : ALWAYS APPROX. 12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
B628T629
D1030U129
: 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)
1C20FLOOR NO. 2 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)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
BI40LEFT QUARTER PILLAR
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I738FLOOR NO. 2 WIRE
SYSTEM OUTLINE
SERVICE HINTS

152
II1 12 II121 IF12IF111
I14
I14
I 5
15 16 5 8
76 32 109D+ D- P+ P- E1 E2AB TC AB TC
511 12 4
P- B B- Y B
P- B
B- O
GR
BW-R
B- Y (
*1)
P- B (
*1)
B
R B
P- B
B
P- B B
P- B
SRS WARNING
LIGHT
[TELLTALE
LIGHT RH] T 6DATA LINK
CONNE CTOR 1DATA LINK
CONNECTOR 2 D 1 D 5 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
IE 12
12
A27 A2 8IG2 ACC LA TC
AIRBAG SQUIB
(
STEERING WHEEL
PAD)AIRBAG SQUIB
(
FRONT PASSENGER
AIRBAG ASSEMBLY) AIRBAG SENSOR ASSEMBLY
W- BR
W
L
Y
W- B
W- B
A34
B (
*2)
R (
*2)
*2 : 2JZ- GE *1 : 2JZ- GTE
7. 5A
IGN15A
CIG10A
ECU- B
1G 10 1G61E13
1E3 1E4
1G7 1G9
1G 31G4
1J 1

SPIRAL
CABLE
200
SRS

1
234
7 SUPRA
ACC
IG1 AM1 4 2
2 1
3 5
221J 4
1B 41K 11
1A 31C16
1 2
1 2
2 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 G- W G - W W- B W- B
W- B R- W
W- B 2
5 2 11 9 3847 1
3 1
18
1 2
2
11
B- Y
WW- B
I1 9
IG NI TI O N SW
I20
INTEGRATION
RELAY
TA IL LIGTHT
RE LAY
10A
TA IL
DIO DE
OFF
TAIL
HEADTELH
BA TTERY
Left kick
pane lFron t side
of left
f e nd erFront side of
right fe nd er10 A
GA UGE15A
STOP
T 6
RE AR LIGHT WARNING LI GHT
[TE LLTAL E L IGHT RH]
S11
STOP
LIGHT
SW
+T B WRN STP+
-T E STP-
F 5
FRONT S ID E MA RKER L IGHT LHP13
PARKING LIGHT LH F 8
PARKING LIGHT RH F 6
FRONT S ID E MA RKER L IGHT RHR12
R EA R SIDE MARK ER
LI GHT RH
R11
R EA R SIDE MARK ER
LI GHT LH R1 0
ST OP LIGHT R H
[ REAR CO MB . LI GH T RH]
L 1
LICE NSE P LATE LI GH TH14
HIGH MOUN TED
STOP LIGH T
Left quart er
pillarLower back
panel centerLeft
quarter
pillarLo wer back
pane l cente r
W- B W- B
2A 1
60 A POWER 50A A M1(
USA)
60A A M1(
Canada)
12 0A ALT
C13
L IGHT CONTROL
SW[COMB. SW]2 L 2
L IGHT FAILUR E SENS OR 1 1
12 2
2
W- B
G- W G- W
G- W
To The ft Deter rent
a nd Door L ock
Control ECU< 1 4- 3>
1 2
GIJ111
G- W G- W G- WG- W
G- W
G- W
G- WG- W
To AB S ECU
< 18- 4> < 19- 3>
To En gine Co nt rol
Modu le< 3- 8> < 4 - 7>
To Cruis e C on trol ECU
< 17- 4>
To Shift Loc k ECU
< 22- 3> 1E 12
Y
5 1
R1 0
TA IL LI GHT RH
[ REAR CO MB . LI GH T RH]
3
R 9
ST OP LIGHT L H
[REAR COMB. LIGHT LH]
5
R 9
TAIL LI GHT LH
[REAR COMB. LIGHT LH]
5 1
W- B
W- B
Power
SourceT a illig h tStop Light
2 22W
W
W- B
BK Right side of
h igh mounte d
s top ligh t
W- BW- B
W- B W - B
K OVERALL ELECTRICAL WIRING DIAGRAM