
138
POWER WINDOW
WITH THE IGNITION SW TURNED ON, CURRENT FLOWS THROUGH THE ECU±IG FUSE "TERMINAL (A)7 OF THE THEFT
DETERRENT ECU "TERMINAL (A)6 "TERMINAL 1 OF THE POWER MAIN RELAY "TERMINAL 2 "GROUND, THIS ACTIVATES THE
RELAY AND THE CURRENT FLOWING TO TERMINAL 5 OF THE RELAY FROM DOOR FUSE FLOWS TO TERMINAL 3 OF THE RELAY "
TERMINAL 4 OF THE POWER WINDOW MASTER SW AND TERMINAL 4 OF THE POWER WINDOW CONTROL SW RH.
1. MANUAL OPERATION (DRIVER'S WINDOW)
WITH THE IGNITION SW TURNED ON AND WITH THE POWER WINDOW MASTER SW (DRIVER'S) IN UP POSITION, THE CURRENT
FLOWING TO TERMINAL 4 OF THE POWER WINDOW MASTER SW FLOWS TO TERMINAL 10 OF THE MASTER SW "TERMINAL 1 OF
THE POWER WINDOW MOTOR "TERMINAL 2 "TERMINAL 9 OF THE MASTER SW "TERMINAL 8 "GROUND AND CAUSES THE
POWER WINDOW MOTOR TO ROTATE IN THE UP DIRECTION. THE WINDOW ASCENDS ONLY WHILE THE SW IS BEING PUSHED.
IN DOWN OPERATION, THE FLOW OF CURRENT FROM TERMINAL 4 OF THE POWER WINDOW MASTER SW TO TERNINAL 9 OF THE
MASTER SW CAUSES THE FLOW OF CURRENT FROM TERMINAL 2 OF THE POWER WINDOW MOTOR "TERMINAL 1 "TERMINAL
10 OF THE MASTER SW "TERMINAL 8 "GROUND, FLOWING IN THE OPPOSITE DIRECTION TO MANUAL UP OPERATION AND
CAUSING THE MOTOR TO ROTATE IN REVERSE, LOWERING THE WINDOW.
2. DRIVER'S WINDOW AUTO DOWN OPERATION
WHEN THE DRIVER'S WINDOW SW IS PUSHED STRONGLY ON THE DOWN SIDE, THE CURRENT FLOWING TO TERMINAL 4 OF THE
POWER WINDOW MASTER SW FLOWS TO THE DOWN CONTACT POINT AND AUTO DOWN CONTACT POINT OF THE DRIVER'S SW.
THIS ACTIVATES THE RELAY (DOWN SIDE) INSIDE THE POWER WINDOW MASTER SW, AND THE HOLD CIRCUIT ALSO TURNS ON AT
THE SAME TIME, SO THE RELAY (DOWN SIDE) REMAINS ACTIVATED EVEN WHEN THE SW IS RELEASED.
CURRENT FLOWS AT THIS TIME FROM TERMINAL 4 OF THE POWER WINDOW MASTER SW "TERMINAL 9 "TERMINAL 2 OF
POWER WINDOW MOTOR "TERMINAL 1 "TERMINAL 10 OF POWER WINDOW MASTER SW "TERMINAL 8 "GROUND, SO THE
MOTOR CONTINUES TO OPERATE UNTIL THE DRIVER'S WINDOW IS FULLY DOWN.
WHEN THE DRIVER'S WINDOW FINISHES DOWN OPERATION THE HOLD CIRCUIT GOES OFF, SO THE RELAY (DOWN SIDE) ALSO
TURNS OFF. THIS STOPS THE CURRENT FLOWING FROM TERMINAL 4 OF THE POWER WINDOW MASTER SW TO TERMINAL 9, SO
THE POWER WINDOW MOTOR STOPS AND AUTO DOWN OPERATION STOPS.
WHEN THE DRIVER'S SW IS PULLED ON THE UP SIDE DURING AUTO DOWN OPERATION, THE HOLD CIRCUIT IS TURNED OFF SO
CURRENT FLOWS FROM TERMINAL 4 OF THE POWER WINDOW MASTER SW TO TERMINAL 9 IS CUT OFF AND THE POWER
WINDOW MOTOR STOPS. IF THE SW REMAINS PULLED UP, THE RELAY (UP SIDE) IS ACTIVATED, SO CURRENT FLOWS FROM
TERMINAL 4 OF THE POWER WINDOW MASTER SW "TERMINAL 10 "TERMINAL 1 OF POWER WINDOW MOTOR "TERMINAL 2 "
TERMINAL 9 "TERMINAL 8 "GROUND, THE POWER WINDOW MOTOR ROTATES IN THE UP DIRECTION AND MANUAL UP
OPERATION OCCURS WHILE THE SW IS PULLED UP.
3. MANUAL OPERATION BY POWER WINDOW SW (PASSENGER'S WINDOW)
WITH POWER WINDOW SW (PASSENGER'S) PULLED TO THE UP SIDE, CURRENT FLOWING FROM TERMINAL 4 OF THE POWER
WINDOW CONTROL SW FLOWS TO TERMINAL 1 OF THE POWER WINDOW SW "TERMINAL 2 OF THE POWER WINDOW MOTOR "
TERMINAL 1 "TERMINAL 3 OF THE POWER WINDOW SW "TERMINAL 5 "TERMINAL 7 OF THE MASTER SW "TERMINAL 8 "
GROUND AND CAUSES THE POWER WINDOW MOTOR (PASSENGER'S) TO ROTATE IN THE UP DIRECTION. UP OPERATION
CONTINUES ONLY WHILE THE POWER WINDOW SW IS PULLED TO THE UP SIDE. WHEN THE POWER WINDOW SW (PASSENGER'S)
IS PULLED TO THE DOWN SIDE, THE CURRENT FLOWING TO THE MOTOR FLOWS IN THE OPPOSITE DIRECTION, FROM TERMINAL 1
TO TERMINAL 2, AND THE MOTOR ROTATES IN REVERSE. WHEN THE WINDOW LOCK SW IS PUSHED TO THE LOCK SIDE, THE
GROUND CIRCUIT TO THE PASSENGER'S WINDOW BECOMES OPEN.
AS A RESULT, EVEN IF OPEN/CLOSE OPERATION OF THE PASSENGER'S WINDOW IS TRIED, THE CURRENT FROM TERMINAL 8 OF
THE POWER WINDOW MASTER SW IS NOT GROUNDED AND THE MOTOR DOES NOT ROTATE, SO THE PASSENGER'S WINDOW
CANNOT BE OPERATED AND WINDOW LOCK OCCURS. FURTHERMORE, REAR LH, RH WINDOW OPERATE THE SAME AS THE
ABOVE CIRCUIT.
4. KEY OFF POWER WINDOW OPERATION
WITH THE IGNITION SW TURNED FROM ON TO OFF, THE THEFT DETERRENT ECU OPERATES AND CURRENT FLOWS FROM DOOR
FUSE TO TERMINAL (A)9 OF THE ECU OR DOME FUSE TO TERMINAL (B)1 OF THE ECU "TERMINAL (A)6 "TERMINAL 1 OF POWER
MAIN RELAY "TERMINAL 2 "GROUND FOR ABOUT 60 SECONDS. THE SAME AS NORMAL OPERATION, THE CURRENT FLOWS
FROM DOOR FUSE "TERMINAL 5 OF THE POWER MAIN RELAY "TERMINAL 3 "TERMINAL 4 OF THE POWER WINDOW MASTER
SW AND TERMINAL 4 OF THE POWER WINDOW CONTROL SW RH. AS A RESULT, FOR ABOUT 60 SECONDS AFTER THE IGNITION SW
IS TURNED OFF, THE FUNCTIONING OF THIS RELAY MAKES IT POSSIBLE TO RAISE AND LOWER THE POWER WINDOW. ALSO, BY
OPENING THE FRONT DOOR (DOOR OPEN DETECTION SW ON) WITHIN ABOUT 60 SECONDS AFTER TURNING THE IGNITION SW TO
OFF, A SIGNAL IS INPUT TO TERMINAL (B)19, (B)7 OF THEFT DETERRENT ECU. AS A RESULT, THE ECU TURNED OFF AND UP AND
DOWN MOVEMENT OF THE POWER WINDOW STOPS.
SYSTEM OUTLINE

139
P 8 POWER WINDOW MASTER SW 4±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
8±GROUND : ALWAYS CONTINUOUS
10±GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON AND MASTER SW (DRIVER'S WINDOW) AT UP POSITION
9±GROUND : APPROX. 12 VOLTS WITH IGNITION SW ON AND MASTER SW (DRIVER'S WINDOW) AT DOWN OR AUTO DOWN POSITION
WINDOW LOCK SWOPEN WITH THE WINDOW LOCK SW AT LOCK POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
D1030P 830T 7A29
D1130P 930T13B29
P 730P1030
: 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)
1J
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)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
ID136FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IL138FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
IG36RIGHT KICK PANELIH36RIGHT KICK PANEL
BI40LEFT QUATER PILLER
SERVICE HINTS

189
R 7 REMOTE CONTROL MIRROR SW
8±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ACC OR ON POSITION
5±2 : CONTINUOUS WITH OPERATION SW AT LEFT OR UP POSITION
8±5 : CONTINUOUS WITH OPERATION SW AT RIGHT OR DOWN POSITION
2±GROUND : ALWAYS CONTINUOUS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
R 729R1630R1730
: 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)
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)
ID136FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IL138FRONT DOOR RH 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
I 538INSTRUMENT PANEL WIRE
12 3
X5 6 7 8
45 3453 R7 R16 R17
SERVICE HINTS
![TOYOTA SUPRA 1986 Service Repair Manual 194
UNLOCK AND SEAT BELT WARNING
1E 12
1B 52
1J 11C12 1I16 1I 15
1 2
2 1 7. 5A
DOME10A
GAUGE
SEAT BELT
WARNING LIGHT
[TELLTALE
LIGHT RH]
INTEGRATION RELAY
BUZZER
TIMER
UNLOCK
WARNING SWBUCKLE
SW LH FR TOYOTA SUPRA 1986 Service Repair Manual 194
UNLOCK AND SEAT BELT WARNING
1E 12
1B 52
1J 11C12 1I16 1I 15
1 2
2 1 7. 5A
DOME10A
GAUGE
SEAT BELT
WARNING LIGHT
[TELLTALE
LIGHT RH]
INTEGRATION RELAY
BUZZER
TIMER
UNLOCK
WARNING SWBUCKLE
SW LH FR](/manual-img/14/57467/w960_57467-791.png)
194
UNLOCK AND SEAT BELT WARNING
1E 12
1B 52
1J 11C12 1I16 1I 15
1 2
2 1 7. 5A
DOME10A
GAUGE
SEAT BELT
WARNING LIGHT
[TELLTALE
LIGHT RH]
INTEGRATION RELAY
BUZZER
TIMER
UNLOCK
WARNING SWBUCKLE
SW LH FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
T6
B6 U1
Y
W±B
86 5 17 2
IE BI
R±B R±BY W±B
DOOR COURTESY
SW LH D10 101
1K 12
2 3
I7IC2 15
W±B
W±B W±B
B±W W±B
161
R
1E 1
Y±R
9

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
FLOWS 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.
B 6 BUCKLE SW LH
1±2 : CLOSED WITH DRIVER'S SEAT BELT IN USE
D10 DOOR COURTESY SW LH
3±2 : CLOSED WITH LH DOOR OPEN
U 1 UNLOCK WARNING SW
2±1 : CLOSED WITH IGNITION KEY IN CYLINDER
INTEGRATION RELAY
10±GROUND : ALWAYS CONTINUOUS
6±GROUND : CONTINUOUS WITH DRIVER'S DOOR OPEN
5±GROUND : CONTINUOUS WITH IGNITION KEY IN CYLINDER
8±GROUND : CONTINUOUS WITH DRIVER'S SEAT BELT IN USE
9±GROUND :0 VOLTS WITH IGNITION SW ON AND BUCKLE SW OFF
1±GROUND : ALWAYS APPROX. 12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
B 628T 629
D1030U 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)
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
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)
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
I 738FLOOR NO. 2 WIRE
SYSTEM OUTLINE
SERVICE HINTS

197
SRS (SUPPLEMENTAL RESTRAINT SYSTEM)
NOTICE: When inspecting or repairing the SRS (supplemental restraint system), perform the operation in
accordance with the following precautionary instructions and the procedure and precautions in the Repair
Manual for the applicable model year.
Malfunction symptoms of the supplemental restraint system are difficult to confirm, so the diagnostic trouble
codes become the most important source of information when troubleshooting.
When troubleshooting the supplemental restraint system, always inspect the diagnostic trouble codes before
disconnecting the battery.
Work must be started after 90 seconds from the time the Ignition SW is set to the ªLOCKº position and the
negative (±) terminal cable is disconnected from the battery.
(The supplemental restraint system is equipped with a back±up power source so that if work is started within
90 seconds of disconnecting the negative (±) terminal cable of the battery, the SRS may be activated.)
When the negative (±) terminal cable is disconnected from the battery, memory of the clock and audio systems
will be cancelled. So before starting work, make a record of the contents memorized by each memory system.
When work is finished, reset the clock and audio system as before and adjust the clock.
To avoid erasing the memory of each memory system, never use a back±up power supply from outside the
vehicle.
When removing the steering wheel pad or handling a new steering wheel pad, keep the pad upper surface
facing upward. Also, lock the lock lever of the twin lock type connector at the rear of the pad and take care
not to damage the connector.
(Storing the pad with its metallic surface up may lead to a serious accident if the SRS inflates for some reason.)
Always store a removed or new front passenger airbag assembly with the airbag door facing up. Storing the
airbag assembly with the airbag door facing down could cause a serious accident if the airbag inflates.
Store the steering wheel pad where the ambient temperature remains below 93°C (200°F), without high
humidity and away from electrical noise.
Never use SRS parts from another vehicle. When replacing SRS parts, replace them with new parts.
Never disassemble and repair the steering wheel pad, front passenger airbag assembly, center airbag sensor
assembly or front airbag sensors.
Before repairing the body, remove the airbag sensors if during repair shocks are likely to be applied to the
sensors due to vibration of the body or direct tapping with tools or other parts.
Do not reuse a steering wheel pad or front airbag sensors.
After evaluating whether the center airbag sensor assembly is damaged or not, decide whether or not to reuse
it. (See the Repair Manual for the method for evaluating the center airbag sensor assembly.)
When troubleshooting the supplemental restraint system, use a high±impedance (Min. 10k/V) tester.
The wire harness of the supplemental restraint system is integrated with the cowl No. 2 wire harness
assembly.
The vehicle wiring harness exclusively for the airbag system is distinguished by corrugated yellow tubing, as
are the connectors.
Do not measure the resistance of the airbag squibs.
(It is possible this will deploy the airbag and is very dangerous.)
If the wire harness used in the supplemental restraint system is damaged, replace the whole wire harness
assembly.
When the connector to the front airbag sensors can be repaired alone (when there is no damage to the wire
harness), use the repair wire specially designed for the purpose.
(Refer to the Repair Manual for the applicable Model year for details of the replacement method.)
INFORMATION LABELS (NOTICES) are attached to the periphery of the SRS components. Follow the
instructions on the notices.

205
WHEN THE IGNITION SW IS TURNED ON, CURRENT FLOWS TO TERMINAL 2 OF THE WASHER MOTOR, TERMINAL 1 OF THE REAR WIPER
MOTOR AND RELAY THROUGH THE WIPER FUSE.
1.REAR WIPER NORMAL OPERATIONWITH THE IGNITION SW TURNED ON AND THE REAR WIPER AND WASHER SW TURNED ON, THE CURRENT FLOWING TO TERMINAL 1 OF
THE REAR WIPER RELAY FLOWS TO TERMINAL 3 OF THE RELAY " TERMINAL 1 OF THE REAR WIPER AND WASHER SW " TERMINAL 16 "
TO GROUND. THUS, THE RELAY COIL IS ACTIVATED AND THE CURRENT TO TERMINAL 1 OF THE REALY FLOWS TO TERMINAL LM "
TERMINAL LM OF THE REAR WIPER MOTOR " MOTOR " TO GROUND AND CAUSES THE MOTOR TO OPERATE THE WIPER.
2.REAR WIPER INTERMITTENT OPERATIONWHEN THE IGNITION SW IS ON AND THE REAR WIPER AND WASHER SW IS TURNED TO INT POSITION, CURRENT FLOWING TO TERMINAL 1
OF THE REAR WIPER MOTOR AND RELAY FLOWS TO TERMINAL 2 OF THE RELAY " TERMINAL 10 OF THE REAR WIPER AND WASHER SW
" TERMINAL 16 " GROUND.
THIS CAUSES THE MOTOR TO OPERATE (THE POINT CHANGES) AND THE INTERMITTENT CIRCUIT OF THE RELAY OPERATES.
INTERMITTENT OPERATION OF THE CIRCUIT IS CONTROLLED BY THE CHANGING AND DISCHARGING OF THE CONDENSER INSTALLED
INSIDE THE RELAY.
3.WASHER OPERATIONWITH THE IGNITION SW TURNED ON AND THE REAR WIPER AND WASHER SW TURNED TO ON POSITION, WHEN THE WIPER SW IS TURNED
FURTHER, THE CURRENT FLOWING TO TERMINAL 2 OF THE WASHER MOTOR FLOWS TO TERMINAL 3 OF THE MOTOR " TERMINAL 2 OF
THE REAR WIPER AND WASHER SW " TERMINAL 16 " TO GROUND, SO THAT THE WASHER MOTOR ROTATES AND THE WINDOW WASHER
EJECTS THE SPRAY, ONLY WHILE THE SWITCH IS FULLY TURNED.
WHEN THE WIPER SW IS OFF AND THEN TURNED TO WASHER ON (WIPER OFF SIDE), ONLY THE WASHER OPERATES.
W 1 WASHER MOTOR2±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
3±GROUND : CONTINUOUS WITH WASHER SW TURNED ON
R15 REAR WIPER MOTOR AND RELAY1±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
2±GROUND : CONTINUOUS WITH REAR WIPER SW AT INT POSITION
3±GROUND : CONTINUOUS WITH REAR WIPER SW AT ON POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C1428W125 (2JZ±GTE)
R1530W 127 (2JZ±GE)
: 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)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
BM140BACK DOOR NO. 1 WIRE AND FLOOR NO. 2 WIRE (LEFT SIDE OF PACKAGE TRAY TRIM)
BO140BACK DOOR NO. 2 WIRE AND BACK DOOR NO. 1 WIRE (BACK DOOR UPPER LEFT)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 932ENGINE ROOM MAIN WIREE2134ENGINE ROOM MAIN WIRE
SYSTEM OUTLINE
SYSTEM OUTLINE
![TOYOTA SUPRA 1986 Service Repair Manual 209
REAR WINDOW DEFOGGER RELAY
(4) 3 ±(4) 5: CLOSED WITH IGNITION SW AT ON POSITION AND REAR WINDOW DEFOGGER SW [HEATER CONTROL SW] ON
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A13B28N 22 TOYOTA SUPRA 1986 Service Repair Manual 209
REAR WINDOW DEFOGGER RELAY
(4) 3 ±(4) 5: CLOSED WITH IGNITION SW AT ON POSITION AND REAR WINDOW DEFOGGER SW [HEATER CONTROL SW] ON
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A13B28N 22](/manual-img/14/57467/w960_57467-806.png)
209
REAR WINDOW DEFOGGER RELAY
(4) 3 ±(4) 5: CLOSED WITH IGNITION SW AT ON POSITION AND REAR WINDOW DEFOGGER SW [HEATER CONTROL SW] ON
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A13B28N 229R18B30
A14A28N 3A30R19C30
H1329R1630
J 129R1730
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
423R/B NO. 4 (LEFT KICK PANEL)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1C20FLOOR NO. 2 WIRE AND J/B NO.1 (LEFT KICK PANEL)
1D20FRONT DOOR LH 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)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IL138FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
BM140BACK DOOR NO. 1 WIRE AND FLOOR NO. 2 WIRE (LEFT SIDE OF PACKAGE TRAY TRIM)
BO140BACK DOOR NO. 2 WIRE AND BACK DOOR NO. 1 WIRE (BACK DOOR UPPER LEFT)
: 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 WIREI 638FLOOR NO. 2 WIRE
C R19 4
XX
918ORANGE
XXA A14
3
X
7X 10 XX
A AAA
AA AA
(
HINT : SEE PAGE 7) J1
112R16, R17 B ORANGE A13H13ORANGE
A N2,N3
11 BGREEN R18
SERVICE HINTS