TOYOTA SUPRA 1986 Service Repair Manual

214
RADIO AND PLAYER (w/ STEREO POWER AMPLIFIER)
9RB
7. 5A
RAD
NO. 220A
RAD
NO. 1
1H 32
IB1 8
IH2 2IH26IH21IH23 IE1 10 IE111 IF32IF33
I24
A 3A6A2D6D2D1 A 3A6A2C4C11 C3
A 4C2C1C8
A 4D3D9
IH1 2IH11IH15IH32IH31 C 9
D 4
IH1 6
I5 I5 I14 I14
IF3 11
ID1 2ID18IL15IL11IE19IE113
12 12 12
12 12
IF1122
LG±R LG±RLG±B LG±BL LG
L LGV PP
V
L LGV P
LG±R LG±BL LGV P
L V P
LG BR BR
WR Y BB
Y
R
WWRY B L±Y L±Y
L±Y L±YGR
GND FL+ FL± FR+ FR± WF+ WF±
C 14 D 5C 10(
*1)
(
*2)
(
*1)
(
*2)
D 8C 5 ACC +B1 +B2 RL+ RL± RR+ RR±
STEREO POWE AMPLIFIERREAR SPEAKER LH REAR SPEAKER RHR14 R13
F1 0
F1 1 F13 F12
W2
FRONT DOOR SPEAKER LH
FRONT TWEETER
(
SPEAKER)
LHFRONT DOOR SPEAKER RH
FRONT TWEETER
(
SPEAKER)
RHWOOFER(
SPEAKER) S8 ,S S10 ,AC FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
D 21
,

215
*2 : W/O WOOFER(
SPEAKER) *
1 : W/ WOOFER(
SPEAKER)
IH1 8IH19 I16B 1 B 3 B 10 B9 B 14 B 13 B 6 B 5 B 4 B 12 B 11
B 1 B 3 B 9 B 10 B 14 B 13 B 6 B 5 B 4 B 12 B 11
AMP B ACC R. R R. L F. R F. L MUTE BEEP FADEAMP+ OUT OUT GND R. R R. L F. R F. L MUTE BEEP FADE
1 4 3 15 14 7 6 5 12 13 11
GND
ANT(
*
1)
(
*2)
ANT AMP
LGV BRWRL Y GB
P±L P±L B±R B± R
P± L P±L
A30 R6
AUTO ANTENNA
CONTROL RELAY RADIO AND PLAYERSTEREO POWER AMPLIFIERB S8 ,S9A
(
SHIELDED)
(
SHIELDED)
788 C ,S10 ,D

216
RADIO AND PLAYER (w/ STEREO POWER AMPLIFIER)
S 8(A) STEREO POWER AMPLIFIER
(A) 6, (A)2±GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON OR ACC POSITION
(A) 4±GROUND : ALWAYS CONTINUOUS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A3028R 629S10C29
F1029R1330S10D29
F1129R1430W 230
F1230S 8A29
F1330S 9B29
: 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)
1H20COWL 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)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
ID136FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE136INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IH1
IH238INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
IH3
38INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
IL138FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IF36LEFT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 538INSTRUMENT PANEL WIREI1638CONSOLE BOX WIRE
I1438INSTRUMENT PANEL WIREI2438COWL WIRE
SERVICE HINTS

217
*2 : W/O WOOFER(
SPEAKER) *
1 : W/ WOOFER(
SPEAKER)

218
RADIO AND PLAYER (w/o STEREO POWER AMPLIFIER)
20A
RAD
NO. 17. 5A
RA D
NO. 2
21E10
IB1 8
IF1 1
IE 1 10 IE111 IF32IF33
A 4A3B2B6
B 1B3A 8A9
A 7A2A6A1A5 GND FL+ FL± FR+ FR±
I5 I5 I14 I14
12 12
12 12
IFID1 2ID18IL15IL11
L L LG LGV V P P
P
V
LG
LLLGV P BR
Y BL±Y
212 1
78ANT AMPGR
B
Y
R
W R
W
B±R
P±LL±Y L±Y
REAR SPEAKER LH AUTO ANTENNA
CONTROL RELAY R13A3 0 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
AMP ANT RR± RR+ RL± RL+ ACC B
RADIO A ND P LA YERREAR SPEAKER RH R14
B R4 ,R5A
F1 2
FRONT DOOR SPEAKER LHF13
FRONT DOOR SPEAKER RH
F10 F11
FRONT TWEETER
(
SPEAKER)
LHFRONT TWEE TER
(
SPEAKER)
RH 2 1

219
R 4(A) RADIO AND PLAYER
(A) 4±GROUND : ALWAYS APPROX. 12 VOLTS
(A) 3±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON OR ACC POSITION
(A) 7±GROUND : ALWAYS CONTINUOUS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A3028F1230R 5B29
F1029F1330R1330
F1129R 4A29R1430
: 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)
1E20INSTRUMENT PANEL 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)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
ID136FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE136INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
IF136INSTRUMENT 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 (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IF36LEFT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 538INSTRUMENT PANEL WIREI1438INSTRUMENT PANEL WIRE
78
1
21
21
21
212 34
56789
12
36
1
21
2 GRAY A3 0A R4
B R5F10 F1 1 F1 2 F13
R13 R14
X
SERVICE HINTS

220
COMBINATION METER
15A
HEAD(
RH)
(
FOR USA)7. 5A
ST
21K4
1E 19 1E14 1H 11 1H7 P
N5
6
2 1
IF2 13 IF1 6IB1 2
IF2 1IF24IF114
IE1 1IE12IE13
BP1 5BP13BP11 II1 24 II1 19 A 2A 16 A15 B6
A 7A6A3A9A8B8A10 A11 A13
II1 29
TRAC
CRUISE
HIGH BEAM
WATER TEMP.
FUEL
FUEL
TACHO
IJ213
IE EC IFI3 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
IJ29
EXT
F14I4
E10
C9
P2
COMBINATION METER FROM HEADLIGHT HI RH
FUEL SENDERIGNITER
ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU)
CLUTCH START
SW
PARK/NEUTRAL POSITION
SW(
NEUTRAL START SW) Y±G
Y±B
BR BRY±B Y±GBR Y±L R±LO W
Y±G
Y±B
BR
B±W B±W
B±W BRBR Y±LR±L W±BW
O TO TRACTION ECU
TO CRUISE CONTROL
ECU
TO DIMMER SW
[COMB. SW]
ENGINE COOLANT TEMP. SENDER
(
WATER TEMP. SENDER)
LH
RH TURN
B
(
A/T)
B
(
M/T)B±W
(
M/T) R±W
(
*1)B±W
G±B
G±Y R±W R±W
R±W
G±B
G±YB±W(
A/T)B
B BR
BR
(
*4)
(
*3) (
*1)(
*2)
BULB
CHECK RELAY
123416FROM TURN SIGNAL SW
[COMB. SW]
2 1
(
*2)
E4
C C10 , C11 , C 1 2BA
(
*3)
1TACO

221
*1 : USA
*
2 : CANADA*3 : 2JZ±GTE
*
4:2JZ±GE
10A
PANEL
1I 3
II1 7 II136 II11II118 II117 II127
C 4C10 C6C7C8C11
A 1C13 B7B5B4A14 B2B1
I2 I2I14
A A
EB IH EC 2 1 1II1 33
II1 34
2 1
IB2 14 IF1 15
D6
P5J1
E7
BRAKE FLUID LEVEL
WARNING SW
DIODE
ENGINE OIL
LEVEL SENSOR
JUNCTION
CONNECTORPARKING BRAKE
SW
DAYTIME RUNNING
LIGHT RELAY
(
MAIN)
OIL
PKBDELAYCOMBINATION METER FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
GR
R±B
L
G± R
LG±R
G±B G±B LG±RG±RL R±BGR BR±W
W±B
W±B
G
L±W
Y±G
R±Y
R±G Y±GG BR W±B W±BBR±W BR±W B±W
BR±W
BR±W R±W W±B
Y±G (
*3)
L±WR±Y
Y±G R±G
BR±W BR±W B±W(
*2 *3) B±W(
*2)G±OG±O
BRAKE
P
R
N
D
2
L
MASTER (
*1) (
*2)
(
*1)
(
*4)
(
*4) (
*1 *3)
(
*2)
TO GENE RATOR
(
ALTERNATOR)
FROM A/T INDICATOR LIGHT SW
[PARK/NEUTRAL POSITION SW
(
NEUTRAL START SW)
]
12
18
8
B2
C C10 , C11 , C 1 2BA
44
R±W
(
*3)
W±B
A

222
COMBINATION METER
10A
GAUGE
I14 I 8 I14 I14I14
I14
SPEED
II1 23
1E 112
1B 57. 5A
DOME 1E 12 IF3 10
I8
B 12 C 3C1B9
B 13 C2C12 B10 B11II1 2 II18
I14
I21
I14
IF II1 5 II138 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
TO ENGINE CONTROL MODULE
(
ENGINE ECU)
TO CRUISE CONTROL ECUTO PPS ECU
TO A/ C AMPL I FI E R
TO ENGINE CONTROL
MODULE(
ENGINE ECU) TO RHEOSTAT
TO DIODE
(
FOR INTERIOR LIGHT)
IF25 II1 11 VEHICLE SPEED SENSOR
(
SPEED SENSOR)
NO. 1
(
FOR COMBINATION METER)
TELLTALE LIGHT RH
ODO AND TRIP
JUNCTION
CONNECTOR
COMBINATION METERMANU O/D OFF ILLUMINATION J1
V10
T6
B32
510 6 7 1411
BB14 8 1
DOORG±O G±O G±O
G±O
Y
Y
Y Y
G±O
R L±R
W±G
P
BR
R±B
R±GR L±R L±R
R R W±LV±G W±G
V±G
W±L W±G
P P P
BRYY
R W±G
P
P
P
P W±GL±R
Y±G
R±Y
L±W R±G
Y±G
R±Y
L±WYYYY
G±O
G±O
Y
P P
R±BC C10 , C11 , C 1 2BA
2

223
*
1:USA
* 2 : CANADA * 4 : 2JZ±GE*
3:2JZ±GTE
7. 5A
IGN10A
ECU±B
1E 81E13
1G 91E 4II1 15 II125
1E 18
1J 1 IE1 5IF212 IF22 32 210
16 18 12 15 6 1 4 3 5 8 9
B±O
W±R Y±R
V
Y±G
B±Y B±Y
L(
*4)
L(
*3)
L±B
LG±RL L±W
R± Y
L±B
Y±B
LG±R
W±B W± LY V
FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
Y±G
R± Y
L±WY
Y±B
IE 1
TO INTEGRATION
RELAY
TO LIGHT FAILURE
SENSOR
TO CENTER AIRBAG
SENSOR ASSEMBLY
TO ABS ECU
TO ABS AND TRACTION ECU
TO ENGINE CONTROL MODULE
(
ENGINE ECU)
TO TRACTION ECU
OIL PRESSURE
SW TELLTALE LIGHT RHTELLTALE LIGHT LH
FROM THEFT DETERRENT
ECU SEAT BELT
REAR LIGHT
CHRAGE
SRS
OIL LEVEL
ABS
OIL
TRAC OFF
SECURITY
MALFUNCTION
INDICATOR LAMP
(
CHE CK E NG INE)
W± B
O2 T5 T6
(
*3)