1986 TOYOTA SUPRA cruise control

ENGINE REMOVAL (2JZ±GE)
1. REMOVE HOOD
2. REMOVE RADIATOR ASSEMBLY
(See radiator removal in Cooling System)
3. DRAIN ENGINE OIL
4. DRAIN FUEL FROM FUEL TANK
5. DISCONNECT CONTROL CABLES FROM THROTTLE
BODY
Disconnect these cables:
wAccelerator cable
wCruise control actuator cable
6. REMOVE AIR CLEANER, VAF METER AND INTAKE AIR
CONNECTOR PIPE ASSEMBLY
(a) Disconnect the high±tension cord from the ignition coil.
(b) Disconnect the high±tension cord from the clamp on the air
cleaner.
(c) Disconnect the VAF meter connector.
(d) Disconnect the engine wire from the VAF meter.
(e) Disconnect these hoses:
(1) PS air hose from No.4 timing belt cover
(2) PCV hose from No.2 cylinder head cover
(f) Loosen the hose clamp bolt holding the intake air connector
pipe to the throttle body.
(g) Remove the 3 bolts, air cleaner, VAF meter and intake air
connector pipe assembly.
7. REMOVE DRIVE BELT, FAN, FLUID COUPLING
ASSEMBLY AND WATER PUMP PULLEY
(See step 6 in water pump removal in Cooling System)
8. REMOVE CHARCOAL CANISTER
9. DISCONNECT HEATER WATER HOSES
10. DISCONNECT BRAKE BOOSTER VACUUM HOSE
11. DISCONNECT EVAP HOSE
12. DISCONNECT WIRES AND CONNECTORS
(a) Disconnect the noise filter connector.
(b) Disconnect the ignition coil connector.
(c) Disconnect the engine wire from the wire clamp. EG±78
± ENGINEENGINE MECHANICAL

(c) Lift the engine out of the vehicle slowly and carefully.
NOTICE: Remove the engine and transmission assembly care-
fully without damaging the shift lever retainer (M/ T), A/C com-
pressor or PS solenoid valve.
(d) Make sure the engine is clear of all wiring, hoses and cables.
(e) Place the engine and transmission assembly onto the stand.
ENGINE REMOVAL (2JZ±GTE)
1. REMOVE HOOD
2. REMOVE RADIATOR ASSEMBLY
(See radiator removal in Cooling System)
3. DRAIN ENGINE OIL
4. DRAIN FUEL FROM FUEL TANK
5. REMOVE NO.1 AIR HOSE
6. DISCONNECT CONTROL CABLES FROM THROTTLE
BODY
Disconnect these cables:
wAccelerator cable
wCruise control actuator cable
7. REMOVE AIR CLEANER AND MAF METER ASSEMBLY
(a) Remove the 3 bolts.
(b) Loosen the hose clamp, disconnect the air hose from the
intake air connector.
(c) Disconnect the MAF meter wire from the clamp on the air
cleaner case.
(d) Disconnect the MAF meter connector, and remove the air
cleaner and MAF meter assembly.
8. M/T:
REMOVE DRIVE BELT TENSIONER DAMPER
(See step 2 in timing belt removal)
9. REMOVE DRIVE BELT, FAN, FLUID COUPLING
ASSEMBLY AND WATER PUMP PULLEY
(See step 6 in water pump removal in Cooling System)
10. REMOVE CHARCOAL CANISTER
11. DISCONNECT HEATER WATER HOSES
12. DISCONNECT BRAKE BOOSTER VACUUM HOSE
13. DISCONNECT EVAP HOSE
± ENGINEENGINE MECHANICALEG±85

24
ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[2JZ±GTE]
A 1 A/C Ambient Temp. Sensor E 4 Engine Coolant Temp. Sender (Water Temp. Sender)
A 2 A/C Condenser Fan Motor E 5 Engine Coolant Temp. SW (Water Temp. SW)
A 3 A/C Triple Pressure SW E 6 Engine Hood Courtesy SW
(A/C Dual and Single Pressure SW) E 7 Engine Oil Level Sensor
A 4 A/C Magnetic Clutch and Lock Sensor
A 5 A/T Fluid Temp. Sensor F 1 Front Airbag Sensor LH
A 6 ABS Actuator F 2 Front Airbag Sensor RH
A 7 ABS Actuator F 3 Front Fog Light and Parking Light LH
A 10 ABS Speed Sensor Front LH F 4 Front Fog Light and Parking Light RH
A 11 ABS Speed Sensor Front RH F 5 Front Side Marker Light LH
F 6 Front Side Marker Light RH
B 1 Back±Up Light SW (for M/T) F 7 Front Turn Signal Light LH
B 2 Brake Fluid Level Warning SW F 8 Front Turn Signal Light RH
F 9 Front Wiper Motor
C 1 Camshaft Position Sensor No. 1
C 2 Camshaft Position Sensor No. 2 G 1 Generator (Alternator)
C 3 Crankshaft Position Sensor G 2 Generator (Alternator)
C 4 Cruise Control Actuator
H 1 Headlight Hi LH
D 1 Data Link Connector 1 (Check Connector) H 2 Headlight Hi RH
D 2 Daytime Running Light Relay No. 3 H 3 Headlight Lo LH
D 3 Daytime Running Light Relay No. 3 H 4 Headlight Lo RH
H 5 Heated Oxygen Sensor (Main)
E 1 EGR Gas Temp. Sensor H 8 Horn LH
E 2 Electronically Controlled Transmission Solenoid H 9 Horn RH
E 3 Engine Coolant Temp. Sensor (EFI Water Temp. Sensor)

26
ELECTRICAL WIRING ROUTING
Position of Parts in Engine Compartment
[2JZ±GE]
A 1 A/C Ambient Temp. Sensor E 2 Electronically Controlled Transmission Solenoid
A 3 A/C Dual Pressure SW E 3 Engine Coolant Temp. Sensor (EFI Water Temp.
A 4 A/C Magnetic Clutch and Lock Sensor Sensor)
A 5 A/T Fluid Temp. Sensor E 4 Engine Coolant Temp. Sender (Water Temp.
A 6 ABS Actuator Sender)
A 7 ABS Actuator E 6 Engine Hood Courtesy SW
A 8 ABS Relay E 7 Engine Oil Level Sensor
A 9 ABS Relay
A 10 ABS Speed Sensor Front LH F 1 Front Airbag Sensor LH
A 11 ABS Speed Sensor Front RH F 2 Front Airbag Sensor RH
F 3 Front Fog Light and Parking Light LH
B 1 Back-Up Light SW (for M/T) F 4 Front Fog Light and Parking Light RH
B 2 Brake Fluid Level Warning SW F 5 Front Side Marker Light LH
F 6 Front Side Marker Light RH
C 4 Cruise Control Actuator F 7 Front Turn Signal Light LH
F 8 Front Turn Signal Light RH
D 1 Data Link Connector 1 (Check Connector) F 9 Front Wiper Motor
D 4 Distributor
G 1 Generator (Alternator)
E 1 EGR Gas Temp. Sensor G 2 Generator (Alternator)

28
ELECTRICAL WIRING ROUTING
Position of Parts in Instrument Panel
A 12 A/C Amplifier B 5 Blower Motor Control Relay
A 13 A/C Amplifier B 6 Buckle SW LH
A 14 A/C Amplifier B 7 Buckle SW RH
A 15 A/C Evaporator Temp. Sensor
A 16 A/C Room Temp. Sensor C 5 Center Airbag Sensor Assembly
A 17 A/C Solar Sensor C 6 Cigarette Lighter
A 18 ABS ECU C 7 Cigarette Lighter Illumination
A 19 ABS ECU C 8 Clock
A 20 ABS and Traction ECU C 9 Clutch Start SW
A 21 ABS and Traction ECU C 10 Combination Meter
A 22 ABS and Traction ECU C 11 Combination Meter
A 23 ABS Lateral Acceleration Sensor C 12 Combination Meter
A 24 Air Inlet Control Servo Motor C 13 Combination SW
A 25 Air Mix Control Servo Motor C 14 Combination SW
A 26 Air Vent Mode Control Servo Motor C 15 Cruise Control Clutch SW
A 27 Airbag Squib (Steering Wheel Pad) C 16 Cruise Control ECU
A 28 Airbag Squib (Front Passenger Airbag Assembly)
A 29 Ashtray Illumination D 5 Data Link Connector 2 (TDCL)
A 30 Auto Antenna Control Relay D 6 Daytime Running Light Relay (Main)
D 7 Diode (for Interior Light)
B 3 Blower Motor D 8 Diode (for Idle-Up)
B 4 Blower Motor Control Relay

47
197
Center Airbag Sensor
Assembly
C5 C6 C10 C11D5 C7D1 D2 D3 C13 C8 C9 C12 C14 C15 C16 186 122 186 60
70
130 64
82
220159
140
150
164
174
220
122 70
82
181
228111140
150
22022094
9611194
96106 129
94
96
102
108
122
111 126 203 174140
150
17496 96 70
140
159 82
150
164
197
70
82
164
174
197
Cigarette Lighter
Cigarette Lighter
Illumination
Clock
Clutch Start SW
Brake Warning Light
[Comb. Meter]
Combination Meter
Meter Illumination
[Comb. Meter]
Speedometer
[Comb. Meter]
Turn Signal Indicator
Light [Comb. Meter]
Combination Meter
High Beam Indicator
Light [Comb. Meter]
Turn Signal Indicator
Light [Comb. Meter]
Dimmer SW [Comb. SW]
Fog Light SW [Comb. SW]
Horn SW [Comb. SW]
Light Control SW
[Comb. Meter]
Turn Signal SW
[Comb. Meter]
Front Wiper and Washer
SW [Comb. Meter]
Rear Wiper and Washer
SW [Comb. Meter]
Cruise Control Clutch SW
Cruise Control ECU
Data Link Connector 1
(Check Connector)
Daytime Running Light
Relay No. 3
Data Link Connector 2
(TDCL)
(4): R/B No. 5 (See page 20)
23

10A
MIR±HTR10A
PANEL15A
STOP
1 2 IH 41E61I10
IF1 3
II1 32II1EA1
IJ2IJ1
IJ2IJ1 11IJ1 6
A 15 A34 A23 A12 A11 A 38 A27 A26 A14 A13A 4A17
A 20A 19 B 29 B57 B56 B55 B54 B53 B52 B58 A6A2 TE1TE2 VF1 IGT1 IGT2 IGT3 IGT4 I GT5 I GT6 I GF W SP1ELS A/C ACMG OD1 ABS NEO EFI+ EFI± TRC+ TRC±STP TT
E16 I17A 1A2A3A9A8A7B3
B 1TACHI GT1 I GT2 I GT3 I GT4 IGT5 IGT6 I GF
Y± L
LG
L±BP LG P±G
Y±LBR
Y±L
LG
B
Y± L
P±GLG
R± W
B±O
GR±B
GR±G
P±B
L±O
R±Y
L±B
P B
L±R
L±R
W±G
BR±B
Y±RP±L
B
W
O
W± RP±L
Y±R BR±BW±GL±R R± Y R± Y
G±OL±R
G±W G±W
GR± R FROM POWER SOURCE SYSTEM(
SEEPAGE56)
W
ENGINE CONTROL MODULE
(
*1)A E9 ,E10B TO TRACTI ON ECU
TO ABS AND
TRACTI ON ECU TO CRUISE
CONTROL ECU TO A/ C
MAGNETIC
CLUTCH
RELAY TO A/ C
AMPLIFIERDIODE
(
FOR I DLE±UP) D8
13
IGNITER 2
312
1114
2
GR±RS11
STOP LI GHT SW
A I2 ,I3B I11
BR
BR
BRI17
I16 IC1 8
IJ1 18B 69 B80 B79 E1 E01 E02
ED I17
BR BR BR BR BR
BR BR BR
BR
BR
BR
BRBR
(
A/T)
(
A/T)(
A/T) (
A/T)
76
ENGINE CONTROL (FOR 2JZ±GTE)

87
* 1 : CALIFORNIA
*
2 : EXCEPT CALIFORNIA
* 3 : ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU
1 2
2 1
2 1
1 1
E23E27
E23E28 I17 I17 I17E28 E28 E27
B 64 B 43 B44 B24 B46
B 48 B73 B72 B 47
4 2 4 2 432
1 3 1 3 1
(
SHIELDED)
(
SHIELDED) (
SHIELDED) (
SHIELDED)
(
SHIELDED)
(
SHIELDED)
(
SHIELDED)
(
SHIELDED)
BR
B±R
BR
B± W
L±RBR L±R B±WB± RR±L R±L
BR
B±R W BR±B BR±B BR±B
BR B±RBR B±R WW W
B±L
R±L
B±Y B±YR±LBR±YO L±Y RY
R Y L±R
BR±B
BR±B
BR±B
BR±B
R
OX1HT1
OX2HT2
+B E +B E VTA1
IDL1 THW OIL THG
HT OX HT OX
(
*1)
THROTTLE POSITION
SENSOR T2
TO CRUISE
CONTROL ECU
ENGINE COOLANT TEMP. SENSOR
(
EFI WATER TEMP. SENSOR)
A/T FLUID TEMP. SENSOR
EGR GAS TEMP. SENSOR E3
A5
E1 OXYGEN SENSOR
(
EXCEPT CALIFORNIA
ON FRONT SIDE)
OXYGEN SENSOR
(
EXCEPT CALIFORNIA
ON REAR SIDE) O3
O4(
*1)
(
*2)
MAIN HEATED
OXYGEN SENSOR
(
FOR CALI FORNIA
ON REAR SIDE) M3
(
*1)
(
*1)
(
*2) ENGINE CONTROL MODULE
(
*3)A E9 ,E10B
W
E26
EDB±R
BR
B± R 10A
MIR±HTR10A
PANEL15A
STOP
1 2
IJ1 11 II1 321I 10 1E 6 1H 4
A 15 A4 23 1
G±WR±Y R±Y
G± W WG±OL±R
STP ELS FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
IF1 3
L±RSTOP
LIGHT
SW DIODE
(
FOR IDLE±UP) D8
S11
L±R
(
A/ T) (
A/T) (
*1) (
*1)
(
*1)
MAIN HEATED
OXYGEN SENSOR
(
FOR CALIFORNIA
ON FRONT SIDE) M2
(
*1)
(
*1)(
*1)(
*1)