1986 TOYOTA SUPRA wiring

30
ELECTRICAL WIRING ROUTING
Position of Parts in Body
A 31 ABS Speed Sensor Rear LH N 3 Noise Filter
A 32 ABS Speed Sensor Rear RH
A 33 Auto Antenna Motor P 6 Personal Light
P 7 Power Window Control SW RH
D 10 Door Courtesy SW LH P 8 Power Window Master SW and Door Lock Control
D 11 Door Courtesy SW RH SW LH
D 12 Door Key Lock and Unlock SW LH P 9 Power Window Motor LH
D 13 Door Key Lock and Unlock SW RH P 10 Power Window Motor RH
D 14 Door Lock Control SW RH
D 15 Door Lock Motor and Door Unlock Detection SW LH R 9 Rear Combination Light LH
D 16 Door Lock Motor and Door Unlock Detection SW RH R 10 Rear Combination Light RH
R 11 Rear Side Marker Light LH
F 12 Front Door Speaker LH R 12 Rear Side Marker Light RH
F 13 Front Door Speaker RH R 13 Rear Speaker LH
F 14 Fuel Pump and Sender R 14 Rear Speaker RH
F 15 Fuel Pump ECU R 15 Rear Wiper Motor and Relay
R 16 Remote Control Mirror and Mirror Heater LH
H 14 High Mounted Stop Light R 17 Remote Control Mirror and Mirror Heater RH
R 18 Rear Window Defogger (+)
L 1 License Plate Light R 19 Rear Window Defogger (±)
L 2 Light Failure Sensor
L 3 Luggage Compartment Key Unlock SW T 11 Tension Reducer Solenoid LH
L 4 Luggage Compartment Light T 12 Tension Reducer Solenoid RH
L 5 Luggage Compartment Light SW
W 2 Woofer (Speaker)

[2JZ±GTE]
32
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Ground Points
: Location of Splice Points

[2JZ±GE]
34
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Ground Points
: Location of Splice Points

36
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Ground Points

38
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Splice Points

40
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Ground Points
: Location of Splice Points

42
ELECTRICAL WIRING ROUTING
: Location of Connector Joining Wire Harness and Wire Harness
: Location of Splice Points

78
ENGINE CONTROL (FOR 2JZ±GTE)
EFI MAIN RELAY
(2) 3± (2) 5 : CLOSED WITH IGNITION SW AT ON POSITION
EFI NO. 2 RELAY
(2) 3± (2) 5 : CLOSED WITH IGNITION SW AT ON POSITION
E 3 ENGINE COOLANT TEMP. SENSOR (EFI WATER TEMP. SENSOR)
1± 2:10±20 K (±20°C, ±4°F)
4± 7 K ( 0°C, 32°F)
2± 3 K (20°C, 68°F)
0.9±1.3 K (40°C, 104°F)
0.4±0.7 K (60°C, 140°F)
0.2±0.4 K (80°C, 176°F)
I 1 IDLE AIR CONTROL VALVE (ISC VALVE)
1, 3± 2: APPROX. 10±30 
4, 6± 5: APPROX. 10±30 
I12, I13, I14, I15, I16, I17 INJECTOR
1± 2: APPROX. 13±8 
T 2 THROTTLE POSITION SENSOR
1± 4: APPROX. 4±9 K
1± 3:3.3± 10.0 K WITH THROTTLE VALVE FULLY OPENED POSITION
0.2± 0.8 K WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0 MM (0 IN.)
1± 2:0±2.3 K WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0.45 MM (0.0177 IN.)
INFINITY WITH CLEARANCE BETWEEN LEVER AND STOP SCREW 0.55 MM (0.0216 IN.)
E 9(B), E10(A) ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU)
(VOLTAGE AT ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) WIRING CONNECTORS)
BATT±E1 : ALWAYS 9±14 VOLTS
IGSW±E1 : 9±14 VOLTS WITH IGNITION SW ON
M±REL±E1 : 9±14 VOLTS WITH IGNITION SW ON
+B±E1 : 9±14 VOLTS WITH IGNITION SW ON
IDL1±E2 : 9±14 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY OPEN
:0 ±1.5 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY CLOSED
VTA1±E2 :0.3± 0.8 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE FULLY CLOSED
:3.2±4.9 VOLTS WITH IGNITION SW ON AND THROTTLE VALVE OPEN
#10, #20, #30±E01, E02 : PULSE GENERATION (ENGINE IDLING)
#40, #50, #60±E01, E02 : PULSE GENERATION (ENGINE IDLING)
THA±E2 : 0.5±3.4 VOLTS WITH IGNITION SW ON AND INTAKE AIR TEMP. 20°C (68°F)
THW±E2 : 0.2±1.0 VOLTS WITH IGNITION SW ON AND COOLANT TEMP. 80°C (176°F)
STA±E1 : 6±14 VOLTS WITH ENGINE CRANKING
ISC1, ISC2, ISC3, ISC4±E1 : PULSE GENERATION (ENGINE IDLING)
W±E1 :9±14 VOLTS WITH ENGINE IDLING
IGF±E1 : PULSE GENERATION (ENGINE IDLING)
NSW±E1 :0±3 VOLTS WITH IGNITION SW ON AND SHIFT LEVER P OR N POSITION
9±14 VOLTS WITH IGNITION SW ON AND SHIFT LEVER EXCEPT P OR N POSITION
SP1 : PULSE GENERATION
TE1, TE2±E1 :9±14 VOLTS WITH IGNITION SW ON
A/C±E1 :0±1.5 VOLTS WITH IGNITION SW ON AND A/C OFF
7.5±14 VOLTS WITH IGNITION SW ON AND A/C ON
ELS±E1 : 9±14 VOLTS WITH TAILLIGHT ON, DEFOGGER ON
0±1.5 VOLTS WITH TAILLIGHT OFF, DEFOGGER OFF
STP±E1 :7.5±14 VOLTS WITH STOP LIGHT SW ON (BRAKE PEDAL DEPRESSED)
0±1.5 VOLTS WITH STOP LIGHT SW OFF
(RESISTANCE OF ENGINE CONTROL MODULE (ENGINE AND ELECTRONICALLY CONTROLLED TRANSMISSION ECU) WIRING CONNECTORS)
IDL1±E2 : INFINITY WITH THROTTLE VALVE OPEN
:0±2.3 KWITH THROTTLE VALVE FULLY CLOSED
VTA1±E2 :3.3 K10.0KWITH THROTTLE VALVE FULLY OPEN
:200  ±800  WITH THROTTLE VALVE FULLY CLOSED
VCC±E2 : 4 K±9 K
THA±E2 : 2 K±3 KWITH INTAKE AIR TEMP. 20°C (68°F)
THW±E2 : 200 ±400  WITH COOLANT TEMP. 80°C (176°F)
ISC1, ISC2, ISC3, ISC4± +B :10±30 
#10, #20, #30, #40, #50, #60± +B : 13.2 ±14.2 
SERVICE HINTS