TOYOTA SUPRA 1986 Service Repair Manual

49
F14 220
Fuel Pump and Sender
F15 G2 G3 G4 H1 H2 H3 H4 H5 H8 H9 H10 H11 H12 H14 I1 I18 I20 K3 L1 L2 L4 L5 M1 M2 M3 N2 70
8268 122 12294
9694
9694
9694
9670 129 129111
12270122
22811 470
8211 8 94
102 96
108
122184 102102
11 411 8 11 8 70
14082 82 208
Fuel Pump ECU
Generator (Alternator)
Glove Box Light
Glove Box Light SW
Headlight Hi LH
Headlight Hi RH
Headlight Lo LH
Headlight Lo RH
Heated Oxygen Sensor (Main)
Horn LH
Horn RH
Hazard SW
Heated Oxygen Sensor (Sub)
Heater Control SW
High Mounted Stop Light
Idle Air Control Valve
(ISC Valve)
Ignition Key Cylinder Light
Integration Relay
Key Interlock Solenoid
License Plate Light
Light Failure Sensor
Luggage Compartment
Light
Luggage Compartment
Light SW
Mass Air Flow
(Air Flow Meter)
Main Heated Oxygen Sensor
(for California, on Front Side)
Main Heated Oxygen Sensor
(for California, on Rear Side)
Noise Filter
(4): R/B No. 5 (See page 20)
23

50
POWER SOURCE (Current Flow Chart)*1: (FOR CANADA)
*2: (FOR USA)
*Page Nos. of
Related Systems
Parts
Code or
Location
CB or FuseN3 208
Location
Noise Filter
* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.


7.5A HTR
7.5A IGN
7.5A RAD No. 2
7.5A ST
7.5A TURN
10A ECU±B
10A ECU±IG
10A GAUGE
10A MIR±HTR
10A PANEL
10A TAIL
15A CIG
15A SEAT±HTR
15A STOP
20A WIPER
30A DEFOG
30A DOOR
7.5A ALT±S
7.5A DOME
7.5A DRL
7.5A TRAC
15A FOG
15A HAZ±HORN
15A HEAD (LH) *2
15A HEAD (LH±LWR) *1
15A HEAD (LH±UPR) *1
15A HEAD (RH) *2
15A HEAD (RH±LWR) *1
15A HEAD (RH±UPR) *1
20A RAD No. 1
30A ABS No. 2
30A EFI No. 1
30A EFI No. 2
30A FAN
50A HTR
50A MAIN
60A ABS No. 1
60A POWERO2 O5 P2 P4 P5 P6 P7 P8 P9 P10 P11 P12 R1 R2 R3 R4 R6 R7 R8 R9 220122
140
150
60
70
11 6
140
174 64
82
130
150
220
181159
164
220118 136 136 136 136 190 190 228 228 228122
210
218122 188 122 116
Oil Pressure SW
O/D Main SW
Park/Neutral Position SW
(Neutral Start SW), Back±Up
Light SW and A/T Indicator
Light SW (for A/T)
PPS ECU
Parking Brake SW
Personal Light
Power Window Control
SW RH
Power Window Master SW
and Door Lock Control SW LH
Power Window Motor LH
Power Window Motor RH
Power Seat Control SW
(for Driver's Seat)
Power Seat Motor
(for Driver's Seat Slide Control)
Radiator Fan Motor
Radiator Fan Relay No. 1
Radiator Fan Relay No. 2
Radio and Player
(w/o Stereo Power Amplifier)
Radio and Player
(w/ Stereo Power Amplifier)
Remote Control Mirror SW
Rheostat
Back±Up Light LH
[Rear Comb. Light LH]
[LOCATION](1): J/B No. 1 (See page 20)(2): R/B No. 2 (See page 19)(3): R/B No. 4 (See page 23)
20 22
23

51
R9 111
Rear Turn Signal Light LH
[Rear Comb. Light LH]
R10 R11 R12 R15 R16 R17 R18 S3 S6 S7 S8 S9 S11 S12 S13 S14 S15 S16 T1 T3 T4 T5 114 102 116 111 114 102 102 102 203188
208188
20820860
64122
192184210
214210
70
11 4
150
164 82
140
159
174
184192 192 192 192 82 130 164 164 159
Stop Light LH
[Rear Comb. Light LH]
Taillight LH
[Rear Comb. Light LH]
Back±Up Light RH
[Rear Comb. Light RH]
Rear Turn Signal Light RH
[Rear Comb. Light RH]
Stop Light RH
[Rear Comb. Light RH]
Taillight RH
[Rear Comb. Light RH]
Rear Side Marker Light LH
Rear Side Marker Light RH
Rear Wiper Motor and Relay
Remote Control Mirror and
Mirror Heater LH
Remote Control Mirror and
Mirror Heater RH
Rear Window Defogger (+)
Starter
Seat Heater SW
Shift Lock ECU
Stereo Power Amplifier
Stereo Power Amplifier
Stop Light SW
Seat Heater
(for Driver's Seat)
Seat Heater
(for Passenger's Seat)
Seat Heater Relay
(for Driver's Seat)
Seat Heater Relay
(for Passenger's Seat)
Sub Heated Oxygen Sensor
(for California)
Theft Deterrent Horn
Traction Brake Actuator
Traction Pump and Motor
ABS Indicator Light
[Telltale Light LH]
(4): R/B No. 5 (See page 20)
23

52
POWER SOURCE (Current Flow Chart)*1: (FOR CANADA)
*2: (FOR USA)
*Page Nos. of
Related Systems
Parts
Code or
Location
CB or FuseT5 70
82
Location
Malfunction Indicator Lamp
(Check Engine Warning Light)
[Telltale Light LH]
* These are the page numbers of the first page on which the related system is shown.
The part indicated is located somewhere in the system, not necessarily on the page indicated here.


7.5A HTR
7.5A IGN
7.5A RAD No. 2
7.5A ST
7.5A TURN
10A ECU±B
10A ECU±IG
10A GAUGE
10A MIR±HTR
10A PANEL
10A TAIL
15A CIG
15A SEAT±HTR
15A STOP
20A WIPER
30A DEFOG
30A DOOR
7.5A ALT±S
7.5A DOME
7.5A DRL
7.5A TRAC
15A FOG
15A HAZ±HORN
15A HEAD (LH) *2
15A HEAD (LH±LWR) *1
15A HEAD (LH±UPR) *1
15A HEAD (RH) *2
15A HEAD (RH±LWR) *1
15A HEAD (RH±UPR) *1
20A RAD No. 1
30A ABS No. 2
30A EFI No. 1
30A EFI No. 2
30A FAN
50A HTR
50A MAIN
60A ABS No. 1
60A POWERT6
T7
T8T9 T11 T12V1
V2V3
V4 V5 V6 V7 164
22068 118102
11 4194 197
70
122
150
181 82
140
174
220
228 60
64
130122 164 206 206 8270
8270
8270 7070
8270
Telltale Light LH
Charge Warning Light
[Telltale Light RH]
Open Door Warning Light
[Telltale Light RH]
Rear Light Warning Light
[Telltale Light RH]
Seat Belt Warning Light
[Telltale Light RH]
SRS Warning Light
[Telltale Light RH]
Telltale Light RH
Theft Deterrent ECU
TRAC Off SW
Traction ECU
Tension Reducer Solenoid LH
Tension Reducer Solenoid RH
VSV (for ACIS)
VSV (for EGR)
VSV (for EVAP)
VSV (for Exhaust Bypass
Valve)
VSV (for Exhaust Gas
Control Valve)
VSV (for Fuel Pressure Up)
VSV (for Intake Air
Control Valve)
[LOCATION](1): J/B No. 1 (See page 20)(2): R/B No. 2 (See page 19)(3): R/B No. 4 (See page 23)
20 22
23

53
70
VSV (for Waste Gate Valve)
V10 V8
W1
Vehicle Speed Sensor
(Speed Sensor) No. 1
(For Combination Meter)
Washer Motor
Integration Relay
Power Main Relay
Taillight Relay
A/C Magnetic Clutch Relay
EFI Main Relay
EFI No. 2 Relay
Fog Light Relay
Headlight Relay
Heater Relay
Horn Relay
Starter Relay
Diode
Rear Window Defogger Relay
Turn Signal Flasher
ABS Motor Relay
ABS Solenoid Relay
Traction Motor Relay
Traction Solenoid Relay
70
140
174
220 82
150
181
228126
203108
11 8
194136102
108
122
130228 70
82
140
15070 106 94
96
108
130228129
130 60
64
130164
220208
228111 164 164 164 164
: R/B No. 5 (See page 20)
23

56
POWER SOURCE
12
12
12
12
12
12
12
12
12 12
12
1212
12
12
127
25
4
8
3 AM2 AM1ACC
IG1
ST1
IG2
E7
2 2
2 2 2 2 2 2 2 22
2
2
2
2
2
2
2
2
2 2 2 2 IB14
2 4 2 3 4 21
3
5
1
1
3 W±R W±RW
W±R R
B
W±RW
W±L
P±L
B±Y
B±W
B±O
R
R
R±W R±Y
B
B
R±L W W
L±YY B±OB±Y G±RW WR L±Y
B
W
(
*
1)(
2JZ±
GTE) (
2JZ±
GTE)(
2JZ±
GTE)
(
USA) 120A ALT
20A RAD NO. 1
7. 5A DOME
7. 5A ALT±S
15A HAZ±HORN
30A AM260A POWER
60A ABS NO. 1
50A HTR
30A FAN
(
2JZ±GTE)
50A MAIN
15A FOG
30A EFI NO. 1
30A EFI NO. 2
(
2JZ±GTE)
30A ABS NO. 2
(
2JZ±GTE)
7. 5A TRAC
(
2JZ±GTE)
BATTERY
R±WTO DIMMER SW
[COMB. SW]
TO STARTER
FROM PARK/NEUTRAL
POSITION SW
(
NEUTRAL START SW)
(
FOR A/T)
CLUTCH START SW
(
FOR M/T)
TO DAYTIME
RUNNING LIGHT
RE LAY(
MAIN) TO GENERATOR
(
ALTERNATOR)
IGNITION SW I19
2A1
2B 1
HEADLIGHT
RELAY
STARTER RELAY
DIMMER RELAY
(
DAYTIME RUNNING
LIGHT RELAY NO. 2)
(
FOR CANADA)1J 41B 4 2
12 50A AM1(
FOR USA)
60A AM1(
FOR CANADA)
2 2W2
E7 E7
W
TO GENERATOR
(
ALTERNATOR) W
WW
(*
1)
(*
1)(*
1)
(*
1)(*
1) W
L±O
L±
O
TO THEFT
DETERRENT ECU

57
* 1 : C AN AD A
12
12
12
12
12
E8 E72
2
2
2
2 2
2
2
2
2 1J3 1J8
1J630A DOOR
30A DEFOG
25 13 1H12
1C7 1B2
1J5
1K7
44
IC2544 5
13
2 W±L
P±L
B± Y
B±W
B±O
R
R±WR±W
R±W R±YR R±B R±WR±B W±L
BBB R
(
USA)
R
(
*
1)
W±LY
7. 5A RAD NO. 2
15A CIG
7. 5A ST
7. 5A IGN
15A HEAD(
LH)(
FOR USA)
15A HEAD(
LH± LW R)(
FO R CANADA)
15A HEAD(
RH)(
FOR USA)
15A HEAD(
RH±LWR)(
FO R CANADA)
7. 5A DRL(
FOR CANADA)
15A HEAD(
LH± UP R)
(
F O R C AN AD A)
15A HEAD(
RH±UPR)
(
F O R C AN AD A)TAI LLI G HT
RELAY
10A TAIL 10A PANEL
15A STOP
10A ECU±B 20A WIPER
7. 5A TURN
10A ECU±IG
7. 5A HTR
10A GAUGE
15A SEAT±HTR
(
FOR CANADA)
10A MIR±HTRTO A/C
AMPLIFIERREAR WINDOW
DEFOGGER
RELAY 1
32
4
E7
(
*
1)(
*
1) (
*
1)(
*
1)
(
*
1) (
*
1)
R
(
*
1)
(
USA)
R±G
(
*1) R
(
*
1)RTO LIGHT CONTROL SW
[C O M B. S W ]

58
POWER SOURCE
HEADLIGHT RELAY (FOR USA)
2±1 : CLOSED WITH LIGHT CONTROL SW AT HEAD POSITION OR DIMMER SW AT FLASH POSITION
HEADLIGHT RELAY (FOR CANADA)
2±1 : CLOSED WITH LIGHT CONTROL SW AT HEAD POSITION OR DIMMER SW AT FLASH POSITION
: CLOSED WITH ENGINE RUNNING AND PARKING BRAKE LEVER RELEASED (PARKING BRAKE SW OFF)
TAILLIGHT RELAY
5±3: CLOSED WITH LIGHT CONTROL SW AT TAIL OR HEAD POSITION
I19 IGNITION SW
7±5 : CLOSED WITH IGNITION KEY AT ACC OR ON POSITION
7±4 : CLOSED WITH IGNITION KEY AT ON OR ST POSITION
2±3 : CLOSED WITH IGNITION KEY AT ON OR ST POSITION
7±8 : CLOSED WITH IGNITION KEY AT ST POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
I1929
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT )
423R/B NO. 4 (LEFT KICK PANEL)
: 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)
1H
1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
2B22ENGINE ROOM MAIN WIRE AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: 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)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E 732ENGINE ROOM MAIN WIREE 832ENGINE ROOM MAIN WIRE
SERVICE HINTS

60
STARTING AND IGNITION (FOR 2JZ±GTE)
7
28
3 AM2 AM1ACC
IG1
ST1
IG2
ST2
30A
AM2 22
21J 6
1J 4
1B 4
221K 4
2 17. 5A
ST
MB 1
A152 31
IB3 8EA1 3IJ29IJ213
I4 E16E16
IF2 13
IF2 10 EA2 1IJ11
IGNITION SW
50A AM1
(
FOR USA)
60A AM1
(
FOR CANADA)
120A
ALT50A
MAIN
BATTERY
STARTERTHEFT DETERRENT
ECU
STARTER
RELAYTO COMBINATION
METERPARK/NEUTRAL
POSITION SW
(
NEUTRAL START
SW)(
A/T) CLUTCH
START SW
(
M/T)P
N
B S2 ,S3A I19
T13 C9 P 2 W
B±W
B±OB±O
B±W
B B±W
B
B
L±OIJ1 2B
(
A/T)
B
(
M/T)
B±W
(
M/T)
B
(
A/T) B±W
(
A/T) B
(
M/T)B±W B±W
BB±W L±OB B
L±OB
B
B
(
A/T)
SRLY 256
5
W±RW
W±RW
IB1 4
11 2
22 1
B
(
A/T)
B
1 2
2A 1
E13 : A/T
E16 : M/T I4
B
B
(
A/T)
(
M/T)(
M/T)
(
A/T)
(
A/T)
(
A/T)
2 2
W

61
* 1 : ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU
A 2B5B4B10 B11 B12 B6A1
B 77 B76 B57 B56 B55 B54 B53 B52 B58
B 26 B6B25 B5B27 B7A16A 4 A 3 B 7 B 8 B 9 B 3 B 2 B 1
G1
G1± G2 G2± NE NE±TACOGN D IGF IGT6 IGT5 IGT4 IGT3 IGT2 IGT1+B IGC2 I GC3 IGC4 IGC5 I GC6 I GC1 TACH
STA NSW I GT1 I GT2 IGT3 IGT4 I GT5 IGT6 IGFE16 E11 E11 E11 E11 E11 E16
2 1
2 1
2 1
2 1
2 1
2 1
2 12121
EC 2 1
EDII1 29 B±O
B±W
BB±O B±O B±O B±O B±O B±O B±O
B±O
B±O
B±O
B±O
B±O
B±O
B±O
B G Y±R Y±GY±BY L±Y B±W
R±W
B±O
GR±B
GR±G
P±B
L±O
R±Y
BR
B±O BR B±W B±W
BR BRIG±
19
A A AA
(
SHIELDED)
(
SHIELDED)I GNITION COI L
NO. 2
NOISE FILTER
DATA LI NK CONNECTOR 1
(
CHECK CONNECTOR)
IGNITER
ENGINE CONTROL MODULE
(
*1)
CAMSHA FT P OS ITION
SENSOR NO. 1CA MSHA FT P OSITION
SENSOR NO. 2CRA NKS HAFT POS ITION
SENSORTO TACHOME TER
[COMB. METER]
BR
A E9 , E10BB I2 ,I3A
I7
N1
D1
C3
C2 C1
I GNITION COI L
NO. 3 I8
I GNITION COI L
NO. 4 I9
I GNITION COI L
NO. 5 I10
I GNITION COI L
NO. 6 I11
I GNITION COI L
NO. 1 I6
(
A/ T)
(
A/T)
JUNCTI ON
CONNECTOR J2 I17
L L
B±R B±WWO
OBR
BR
(
SHIELDED)