1997 TOYOTA SUPRA instrument panel

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Page 1176 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 187
C6 CIGARETTE LIGHTER
2-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
1-GROUND : ALWAYS CONTINUITY
C8 CLOCK
2-GROUND : ALWAYS 12 VOLTS (POWER FOR CLOCK)
5-GROUND : APPROX. 12

Page 1178 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 189
R7 REMOTE CONTROL MIRROR SW
8-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
5-2 : CONTINUITY WITH THE OPERATION SW AT LEFT OR UP POSITION
8-5 : CONTINUITY WITH THE OPERATION

Page 1184 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 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 TH

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

Page 1193 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 201
THE SRS IS A DRIVER AND PASSENGER PROTECTION DEVICE WHICH HAS A SUPPLEMENTAL ROLE TO THE SEAT
BELTS.
WHEN THE IGNITION SW IS TURNED TO ACC OR ON, THE CURRENT FROM THE CIG FUSE FLOWS TO TERMINAL 16

201
THE SRS IS A DRIVER AND PASSENGER PROTECTION DEVICE WHICH HAS A SUPPLEMENTAL ROLE TO THE SEAT
BELTS.
WHEN THE IGNITION SW IS TURNED TO ACC OR ON, THE CURRENT FROM THE CIG FUSE FLOWS TO TERMINAL 16
OF THE AIRBAG SENSOR ASSEMBLY. ONLY WHEN THE IGNITION SW IS ON DOES THE CURRENT FROM THE IGN
FUSE FLOW TO TERMINAL 15 OF THE AIRBAG SENSOR ASSEMBLY.
IF AN ACCIDENT OCCURS WHILE DRIVING, DECELERATION CAUSED BY A FRONTAL IMPACT IS DETECTED BY THE
SENSOR IN THE AIRBAG SENSOR ASSEMBLY, AND WHEN THE FRONTAL IMPACT EXCEEDS A SET LEVEL (WHEN
THE SAFING SENSOR BUILT INTO THE AIRBAG SENSOR ASSEMBLY IS ON, THE FLOOR SENSOR BUILT INTO THE
AIRBAG SENSOR ASSEMBLY IS ON AND THE AIRBAG SENSOR ASSEMBLY IS ON), THE CURRENT FROM THE CIG OR
THE IGN FUSE FLOWS THROUGH THE AIRBAG SENSOR ASSEMBLY TO TERMINALS 7 AND 3 OF THE AIRBAG
SENSOR ASSEMBLY TO TERMINAL 1 OF THE AIRBAG SQUIB " TERMINAL 2 "TERMINALS 6 AND 2 OF THE
AIRBAG SENSOR ASSEMBLY "THE FLOOR SENSOR BUILT INTO THE AIRBAG SENSOR ASSEMBLY "TERMINAL 9,
TERMINAL 10 OR BODY GROUND "GROUND. WHEN THE SAFING SENSOR BUILT INTO THE AIRBAG SENSOR
ASSEMBLY IS ON, AND FLOOR SENSOR BUILT INTO THE AIRBAG SENSOR ASSEMBLY IS ON, ONE OF THE
ABOVE-MENTIONED CIRCUITS IS ACTIVATED SO THAT THE CURRENT FLOWS TO THE AIRBAG SQUIBS, CAUSING
IT TO OPERATE.
THE AIRBAG STORED INSIDE THE STEERING WHEEL PAD IS INSTANTANEOUSLY EXPANDED TO SOFTEN THE
SHOCK TO A DRIVER.
SIMULTANEOUSLY, THE AIRBAG STORED INSIDE THE PASSENGER'S INSTRUMENT PANEL IS INSTANTANEOUSLY
EXPANDED TO SOFTEN THE SHOCK TO A PASSENGER.
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A2728D124 (2JZ-GTE)T629
A2828D126 (2JZ-GE)
A3428D528
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1G20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1J20COWL 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)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I538INSTRUMENT PANEL WIREI1438INSTRUMENT WIRE
SYSTEM OUTLINE

Page 1198 of 1807

TOYOTA SUPRA 1997 Service Repair Manual C R19 4
XX
918OR ANGE
XXA A14
3
X
7X 10 XX
A AAA
AA AA
(
HINT : SEE PAGE 7) J 1
112R16, R17 BORANGE A13H1 3
ORANGE
A N 2, N 3
11 BGREEN R18 XX
209
REAR WINDOW DEFOGGER RELAY
(4) 3- (4) 5 : CLOSED WITH

Page 1201 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 12 3
45678
12A AAA
AA AA34
89
134
8XXX
34X63 X 1
XX 910B R 4
A R 6 AS 8 BS 9 A3 0 A 3 3 J 1GRAY
(
HINT : SEE PAGE 7)
(
W/ WOOFER)
BLACK
3 X 1
XX910B S 9 (
W/O WOOFER)
212
AUTO ANTENNA
A30 AUTO ANTENNA

Page 1205 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 216
RADIO AND PLAYER
S8 (A) STEREO POWER AMPLIFIER
(A) 6, (A) 2-GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON OR ACC POSITION
(A) 4-GROUND : ALWAYS CONTI

Page 1208 of 1807

TOYOTA SUPRA 1997 Service Repair Manual 219
(w/o STEREO POWER AMPLIFIER
R4(A) RADIO AND PLAYER
(A) 4-GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ON OR ACC POSITION
(A) 7-GROUND : ALWAYS CONTINUIT

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