1986 TOYOTA SUPRA instrument panel

[Engine Compartment]
18
RELAY LOCATIONS
[Instrument Panel]

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

29
Position of Parts in Instrument Panel
E 8 Electronically Controlled Transmission Pattern O 5 O/D Main SW and A/T Indicator Light (for Shift
Select SW Lever)
E 9 Engine Control Module (Engine and Electronically
Controlled Transmission ECU) P 4 PPS ECU
E 10 Engine Control Module (Engine and Electronically P 5 Parking Brake SW
Controlled Transmission ECU)
E 11 Engine Coolant Temp. Sensor (Water Temp. Sensor) R 4 Radio and Player (w/o Stereo Power Amplifier)
(for A/C System) R 5 Radio and Player (w/o Stereo Power Amplifier)
R 6 Radio and Player (w/ Stereo Power Amplifier)
F 10 Front Tweeter (Speaker) LH R 7 Remote Control Mirror SW
F 11 Front Tweeter (Speaker) RH R 8Rheostat
G 3 Glove Box Light S 6 Seat Heater SW
G 4 Glove Box Light SW S 7 Shift Lock ECU
S 8 Stereo Power Amplifier
H 10 Hazard SW S 9 Stereo Power Amplifier
H 11 Heated Oxygen Sensor (Sub) S 10 Stereo Power Amplifier
H 12 Heater Control SW S 11 Stop Light SW
H 13 Heater Control SW S 16 Sub Heated Oxygen Sensor
(for California)
I 18 Ignition Key Cylinder Light
I 19 Ignition SW T 5 Telltale Light LH
I 20 Integration Relay T 6 Telltale Light RH
T 7 Theft Deterrent ECU
J 1 Junction Connector T 8 TRAC Off SW
J 2 Junction Connector T 9 Traction ECU
T 10 Traction ECU
K 3 Key Interlock Solenoid T 13 Theft Deterrent ECU
K 4 Kick Down SW
U 1 Unlock Warning SW
N 2 Noise Filter

37
Connector Joining Wire Harness and Wire Harness
CODEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IB1IB2ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)IB3ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IB4IB5ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)IB6ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IC1FLOOR NO 2 WIRE AND COWL WIRE (LEFT KICK PANEL)IC2FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
ID1FRONT DOOR LH WIRE AND INSTRUMENT PANEL WIRE (LEFT KICK PANEL)
IE1INSTRUMENT PANEL WIRE AND FLOOR NO. 2 WIRE (LEFT KICK PANEL)
IF1INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)IF2INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF3INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)

39
Connector Joining Wire Harness and Wire Harness
CODEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
IG1INSTRUMENT PANEL WIRE AND COWL NO. 3 WIRE (BEHIND HEATER CONTROL SW)
IH1
IH2INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
IH3
INSTRUMENT PANEL WIRE AND CONSOLE BOX WIRE (UNDER THE INSTRUMENT PANEL BRACE RH)
II1ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ1ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)IJ2ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
IK1COWL NO. 4 WIRE AND COWL WIRE (RIGHT KICK PANEL)
IL1FRONT DOOR RH WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)

62
STARTING AND IGNITION (FOR 2JZ±GTE)
I19 IGNITION SW
7±8 : CLOSED WITH IGNITION SW AT ST POSITION
2±3 : CLOSED WITH IGNITION SW AT ON OR ST POSITION
P 2 PARK/NEUTRAL POSITION SW (NEUTRAL START SW) (A/T)
6±5 : CLOSED WITH A/T SHIFT LEVER IN P OR N POSITION
C 9 CLUTCH START SW (M/T)
1±2 : CLOSED WITH CLUTCH PEDAL FULLY DEPRESSED
S 2(A), S 3(B) STARTER
POINTS CLOSED WITH PARK/NEUTRAL POSITION SW (NEUTRAL START SW) ON AND IGNITION SW AT ST POSITION (A/T)
POINTS CLOSED WITH CLUTCH START SW ON AND IGNITION SW AT ST POSITION (M/T)
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C 124I 3B25J 229
C 224I 625N 125 (2JZ±GTE)
C 324I 725P 225 (2JZ±GTE)
C 928I 825S 2A25 (2JZ±GTE)
D 124 (2JZ±GTE)I 925S 3B25 (2JZ±GTE)
E 9B29I1025T1329
E10A29I1125
I 2A25I1929
: 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)
1B20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1J20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1K20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA132 (2JZ±GTE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA232ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)IB336ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ138ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)IJ238ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EC32 (2JZ±GTE)FRONT SIDE OF INTAKE MANIFOLD
ED32 (2JZ±GTE)REAR SIDE OF INTAKE MANIFOLD
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E11I 438COWL WIRE
E1332ENGINE WIREI1738ENGINE WIRE
E16
32ENGINE WIRE
SERVICE HINTS

66
STARTING AND IGNITION (FOR 2JZ±GE)
I19 IGNITION SW
7±8 : CLOSED WITH IGNITION SW AT ST POSITION
2±3 : CLOSED WITH IGNITION SW AT ON OR ST POSITION
P 2 PARK/NEUTRAL POSITION SW (NEUTRAL START SW) (A/T)
6±5 : CLOSED WITH A/T SHIFT LEVER IN P OR N POSITION
C 9 CLUTCH START SW
1±2 : CLOSED WITH CLUTCH PEDAL FULLY DEPRESSED
S 2(A), S 3(B) STARTER
POINTS CLOSED WITH PARK/NEUTRAL POSITION SW (NEUTRAL START SW) ON AND IGNITION SW AT ST POSITION (A/T)
POINTS CLOSED WITH CLUTCH START SW ON AND IGNITION SW AT ST POSITION (M/T)
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C 928I 527S 2A27 (2JZ±GE)
D 126 (2JZ±GE)I1929S 3B27 (2JZ±GE)
D 426J 229T1329
E 929N 127 (2JZ±GE)
I 427P 227 (2JZ±GE)
: 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)
1B20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1J20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1K20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA134 (2JZ±GE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA334ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IJ138ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)IJ238ENGINE WIRE AND COWL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EC34 (2JZ±GE)FRONT SIDE OF INTAKE MANIFOLD
ED34 (2JZ±GE)REAR SIDE OF INTAKE MANIFOLD
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E22I 438COWL WIRE
E2734ENGINE WIREI1738ENGINE WIRE
E28
34ENGINE WIRE
I2038COWL WIRE
SERVICE HINTS

69
G 2(A) GENERATOR (ALTERNATOR)
(A) 3±GROUND:13.9±15.1 VOLTS WITH ENGINE RUNNING AT 2000 RPM AND 25°C (77°F)
13.5±14.3 VOLTS WITH ENGINE RUNNING AT 5000 RPM AND 11 5°C (239°F)
(A) 1±GROUND:0±4 VOLTS WITH IGNITION SW AT ON POSITION AND ENGINE NOT RUNNING
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
G1B24 (2JZ±GTE)G2A24 (2JZ±GTE)T 629G 1B26 (2JZ±GE)G 2A26 (2JZ±GE)
: 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)
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA232ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA334ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I1438INSTRUMENT PANEL WIRE
1
123 B
G1ABLACK
12 X X X3T6 G2
SERVICE HINTS