Page 627 of 878
![TOYOTA SUPRA 1986 Service Repair Manual 25
Position of Parts in Engine Compartment
[2JZ±GTE]
I 1 Idle Air Control Valve (ISC Valve) R 1Radiator Fan Motor
I 2 Igniter R 2Radiator Fan Relay No. 1
I 3 Igniter R 3Radiator Fan Relay No. 2
I 6 I TOYOTA SUPRA 1986 Service Repair Manual 25
Position of Parts in Engine Compartment
[2JZ±GTE]
I 1 Idle Air Control Valve (ISC Valve) R 1Radiator Fan Motor
I 2 Igniter R 2Radiator Fan Relay No. 1
I 3 Igniter R 3Radiator Fan Relay No. 2
I 6 I](/manual-img/14/57467/w960_57467-626.png)
25
Position of Parts in Engine Compartment
[2JZ±GTE]
I 1 Idle Air Control Valve (ISC Valve) R 1Radiator Fan Motor
I 2 Igniter R 2Radiator Fan Relay No. 1
I 3 Igniter R 3Radiator Fan Relay No. 2
I 6 Ignition Coil No. 1
I 7 Ignition Coil No. 2 S 1 SFI Resistor (EFI Resistor)
I 8 Ignition Coil No. 3 S 2Starter
I 9 Ignition Coil No. 4 S 3Starter
I 10 Ignition Coil No. 5 S 4 Sub Throttle Actuator
I 11 Ignition Coil No. 6 S 5 Sub Throttle Position Sensor
I 12 Injector No. 1
I 13 Injector No. 2 T 1 Theft Deterrent Horn
I 14 Injector No. 3 T 2 Throttle Position Sensor
I 15 Injector No. 4 T 3 Traction Brake Actuator
I 16 Injector No. 5 T 4 Traction Pump and Motor
I 17 Injector No. 6 T 14 Turbo Pressure Sensor
K 1 Knock Sensor (on Front Side) V 2 VSV (for EGR)
K 2 Knock Sensor (on Rear Side) V 3 VSV (for EVAP)
V 4 VSV (for Exhaust Bypass Valve)
M 1 Mass Air Flow (Air Flow Meter) V 5 VSV (for Exhaust Gas Control Valve)
V 6 VSV (for Fuel Pressure Up)
N 1 Noise Filter V 7 VSV (for Intake Air Control Valve)
V 8 VSV (for Waste Gate Valve)
O 1 O/D Direct Clutch Speed Sensor V 10 Vehicle Speed Sensor (Speed Sensor) No. 1 (for
O 2 Oil Pressure SW Combination Meter)
V 11 Vehicle Speed Sensor (Speed Sensor) No. 2 (for
P 1 PPS Solenoid Electronically Controlled Transmission)
P 2 Park/Neutral Position SW (Neutral Start SW),
Back±Up Light SW and A/T Indicator Light SW W 1 Washer Motor
(for A/T)
Page 629 of 878
![TOYOTA SUPRA 1986 Service Repair Manual 27
Position of Parts in Engine Compartment
[2JZ±GE]
H 1 Headlight Hi LH O 2 Oil Pressure SW
H 2 Headlight Hi RH O 3 Oxygen Sensor (Except California on Front Side)
H 3 Headlight Lo LH O 4 Oxygen Sens TOYOTA SUPRA 1986 Service Repair Manual 27
Position of Parts in Engine Compartment
[2JZ±GE]
H 1 Headlight Hi LH O 2 Oil Pressure SW
H 2 Headlight Hi RH O 3 Oxygen Sensor (Except California on Front Side)
H 3 Headlight Lo LH O 4 Oxygen Sens](/manual-img/14/57467/w960_57467-628.png)
27
Position of Parts in Engine Compartment
[2JZ±GE]
H 1 Headlight Hi LH O 2 Oil Pressure SW
H 2 Headlight Hi RH O 3 Oxygen Sensor (Except California on Front Side)
H 3 Headlight Lo LH O 4 Oxygen Sensor (Except California on Rear Side)
H 4 Headlight Lo RH
H 8 Horn LH P 1 PPS Solenoid
H 9 Horn RH P 2 Park/Neutral Position SW (Neutral Start SW),
Back±Up Light SW and A/T Indicator Light SW
I 1 Idle Air Control Valve (ISC Valve) (for A/T)
I 4 Igniter P 3 Power Steering Pressure SW
I 5 Ignition Coil
I 12 Injector No. 1 S 2 Starter
I 13 Injector No. 2 S 3 Starter
I 14 Injector No. 3
I 15 Injector No. 4 T 1 Theft Deterrent Horn
I 16 Injector No. 5 T 2 Throttle Position Sensor
I 17 Injector No. 6
V 1 VSV (for ACIS)
K 1 Knock Sensor (on Front Side) V 2 VSV (for EGR)
K 2 Knock Sensor (on Rear Side) V 3 VSV (for EVAP)
V 6 VSV (for Fuel Pressure Up)
M 2 Main Heated Oxygen Sensor V 10 Vehicle Speed Sensor (Speed Sensor) No. 1
(for California on Front Side) (for Combination Meter)
M 3 Main Heated Oxygen Sensor V 11 Vehicle Speed Sensor (Speed Sensor) No. 2
(for California on Rear Side) (for Electronically Controlled Transmission)
V 12 Volume Air Flow (Air Flow Meter)
N 1 Noise Filter
W 1 Washer Motor
Page 654 of 878

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
Page 673 of 878

74
ENGINE CONTROL (FOR 2JZ±GTE)
2 1
2 1
E16 E16 E15
B 40 B38 B45 B66 B28 B65 B62 32 5123
1E2 PIM VC B±R B±R
BR±B
L±R BR ±B
W
BR
R±L
BR
B±R
B±R
L±R
B± Y BR ±BBR Y±RP±L G±RG± B
B± R B± R
BR±B
B±Y
L±R BR±B
VSV1 VSV3 THA VG E21 E2 PM1TURBO PRESSURE SENSOR
MASS AIR FLOW
(
AIR FLOW METER) M1T1 4
ENGINE CONTROL MODULE
(
*
1)
V4
VSV(
FOR EXHAUST
BYPASS VALVE)
A E9 ,E10B
V7
VSV(
FOR INTAKE AIR
CONTROL VALVE)
E10E10
B±R
4 THA VG E2 E2 B±R
B±R
B±R
B
B 47 B72 B71 B48 B73 B60 B39
1 2
1 2
1 2
E10 E13 E10I17
E13I17
IJ1 20IC1 12 IC19IC110
IC1 4IJ2 5IJ214 IJ24
24
4
B±R
B±R
L±R
B±RR±L
BR
B±R B±R B±RBR +B E
E1
G± Y L±W W±LW B± L BR±W
R±L
R±L R±L BR±W
R±L BR±W B± R B±R B±R
B±R
B±R
B±RB±R
B±R
B±R W
21 313 OX2 HT2 HT1 OX1 FPU PMC VSV2
(
SHIELDED) (
SHIELDED)
(
SHI ELD ED) (
SHIELDED) (
SHI ELD ED)
(
SHIELDED) +B HT OXHT OX
HEATED OXYGEN
SENSOR(
SUB)
HEATED OXYGEN
SENSOR(
MAIN)
H11
H5
(
SHIELDED)
VSV(
FOR FUEL
PRESSURE UP)
VSV(
FOR WASTE
GATE VALVE)
VSV(
FOR EXHAUST
GAS CONTROL VALVE) V6
V8
V5
11B 50 B49 KNK1 KNK2
W W (
SHI ELD ED)
KNOCK SENSOR
(
ON REAR SIDE) KNOCK SENSOR
(
ON FRONT SIDE)
K2
(
SHI ELD ED) K1
(
SHIELDED)
Page 685 of 878
86
ENGINE CONTROL (FOR 2JZ±GE)
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 1 E28 E28 E28 E28 E28
E23 B 15 B19 B18 B17 B16 B20
B 36 B50 B49 B27 B26 B25 B7
123A
A A 4A
A
A
A A
A(
SHIELDED) (
SHIELDED) (
SHIELDED) (
SHIELDED)
(
SHIELDED)
(
SHIELDED)
(
SHIELDED) (
SHIELDED)
(
SHIELDED) (
SHIELDED) (
SHIELDED)(
SHIELDED)
B±O
BR
B±R
BR
B± W
L±R(
*
1) (
SHIELDED)
BR
B±R
(
*
1)
B±W
L±RBR B±O B±O B±O B±O
FPU KNK1 KNK2 NE G1 G2 G±
G WRB W W W±L B±RB±O
B±O
B±O
B±O
B±O
B±O R±B
R±Y
R±G
R±W
R
R±L
#60 #20 #30 #40 #50 #10
NE G1 G2 G±E27E27
B 66 B41 B45 B65 3421 5
L±R BR± B
L±RLG±B
P±L
BR±BL±R
BR±B
KS VCCTHA
E2
I17
INJECTOR NO. 6
I13
INJECTOR NO. 2
I14
INJECTOR NO. 3
I15
INJECTOR NO. 4
I16
INJECTOR NO. 5
I12
INJECTOR NO. 1 KNOCK SENSOR
(
ON REAR SIDE) KNOCK SENSOR
(
ON FRONT SID E) K1
K2VSV
(
FOR FUEL PRESSURE UP) V6
J2
D4
DISTRIBUTOR
JUNCTION CONNECTOR
ENGINE CONTROL MODULE(
*
3) A E9 ,E10B
VOLUME AIR FLOW
(
AIR FLOW METER) V12
L±R BR±B
(
*1) (
*1)
Page 821 of 878

224
COMBINATION METER
B 2 BRAKE FLUID LEVEL WARNING SW
1±2 : CLOSED WITH FLOAT DOWN
P 5 PARKING BRAKE SW
1±GROUND : CLOSED WITH PARKING BRAKE LEVER PULLED UP
O 2 OIL PRESSURE SW
1±GROUND : CLOSED WITH OIL PRESSURE ABOVE APPROX. 20 KPA (2.8 PSI, 0.2 KG/CM2)
E 4 ENGINE COOLANT TEMP. SENDER (WATER TEMP. SENDER)
1±GROUND : APPROX. 160±240 (50°C, 122°F)
: APPROX. 17.1±20.4 (120°C, 288°F)
E 7 ENGINE OIL LEVEL SENSOR
1±2 : CLOSED WITH FLOAT UP AND ENGINE OIL TEMP. AT BELOW APPROX. 55°C (131°F)
OPEN WITH FLOAT DOWN AND ENGINE OIL TEMP. AT BELOW APPROX. 60°C (140°F)
F14 FUEL SENDER
1±2 : APPROX. 3 AT FUEL FULL
: APPROX. 11 0 AT FUEL EMPTY
C10(B), C12(A) COMBINATION METER
(B) 9±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ON POSITION
(A)16±GROUND : APPROX. 12 VOLTS WITH IGNITION SW AT ST POSITION AND SHIFT LEVER AT P OR N POSITION (A/T)
12 VOLTS WITH IGNITION SW AT ST POSITION AND CLUTCH PEDAL DEPRESSED (M/T)
(A) 8±GROUND : ALWAYS CONTINUOUS
(A)11±GROUND : ALWAYS CONTINUOUS
(A) 2±GROUND : ALWAYS APPROX. 12 VOLTS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
B224 (2JZ±GTE)E 426 (2JZ±GE)O 227 (2JZ±GE)B 226 (2JZ±GE)E724 (2JZ±GTE)P225 (2JZ±GTE)
C 928E 726 (2JZ±GE)P 227 (2JZ±GE)
C10B28E1029P 529
C11C28F1430T 529
C12A28I 427T 629
D 628J 129V1025 (2JZ±GTE)
E 424 (2JZ±GTE)O 225 (2JZ±GTE)V1027 (2JZ±GE)
: 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)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1G
1H
1I20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1J
20COWL 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)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)IB236ENGINE 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)IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ238ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
BP140FUEL GAUGE WIRE AND FLOOR NO. 2 WIRE (LUGGAGE ROOM FRONT LH)
SERVICE HINTS