1986 TOYOTA SUPRA Service Repair Manual

211
* 2 : W/O STEREO POWER AMPLIFIER *
1 : W/ STEREO POWER AMPLIFIER
B 8A 8
B 9A 1
B 3A 3
B 4A 4B 10B3 B9 B1 A2 A6 A3
I24
I16 IH1 8IH19
IF IF3 11A 4 GR
L±Y
L±Y
GR
P±L
P±L
B±R
B±R(
*1)
(
*1)
(
*2)
(
*
2)
(
*1)
(
*2)
(
*
1)
(
*
2)
B±R
B±R
P±L
P±L
GR
V
L±Y
LGP±L
P±L
BR
GR
(
*1)
L±Y
(
*1)
L±Y
(
*1)
P±L
(
*1)
V
(
*1)
LG
(
*1) (
SHIELDED)
(
SHIELDED)
(
*
2)
(
*
1)
(
*
2)
(
*
1)
(
*2)
(
*1)
(
*2)
(
*1)(
*
1)
(
*1)
ACC
+B1
+B2
AMP+
OUT
OUT
GND
(
*1)
(
*2)GND
BR
STEREO POWER
AMPLIFIER
RADIO AND PLAYERB S8 ,S9A
A R4 ,R6B

212
AUTO ANTENNA
A30 AUTO ANTENNA CONTROL RELAY
1±GROUND : ALWAYS APPROX. 12 VOLTS
4±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
5±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ACC OR ON POSITION
6±GROUND : ALWAYS CONTINUOUS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A3028R 4B29S 9B29
A3330R 6A29
J 129S 8A29
: 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)
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)
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)
IH138INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IF36LEFT KICK PANEL
IH36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 238COWL WIREI1638CONSOLE BOX WIRE
I1538INSTRUMENT PANEL WIREI2438COWL WIRE
SERVICE HINTS

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