1986 TOYOTA SUPRA Service Repair Manual

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)

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

63

64
STARTING AND IGNITION (FOR 2JZ±GE)
7
7. 5A
ST
30A
AM 2 1B 41J 4
2 2
2
222 1
52 311K 41J 6
B 1
A1 120A
ALT 50A
AM1
50A
MAIN
BATTERY
STARTER
RELAY
6
5 PARK/NEUTRAL
POSITION SW
(
NEUTRAL
START SW) CLUTCH
START SW
M
THEFT DETERRENT
ECU
STARTER IGNITION SW W±R W
B±W
B±OB±W
B±WB±O
B
B
B B
L±OB± W B
W
W±R W±RW
B
B
BB±W
B±W
B±W B B
L± O B
L±OB±W B
B±W
B B B
25(
A/T)(
A/T)
(
M/T)
(
A/T) (
A/T) (
M/T)
(
M/T)
TO COM BI NA TIO N
METER
SRLYP
N IB1 4
EA1 3IJ12IJ 2 9
IF2 13IJ213
IB 2 6 EA3 1
IF2 10 1
11 2
22I19
C9 P2
T13I17
E28 I4 28
3 AM2 AM1ACC
IG 1
ST1
IG 2
ST2
2
1
2A 1I4
B
B B
(
A/T)
E27 : A/T
E28 : M/T
B S2 , S3A(
A/T)
(
A/T)
(
A/T) (
M/T) (
M/T)
(
A/T)
2 2
W

65
2 1 IGNITION
COIL
21
1234
A 77 76 57 58 27 26 25 734519
A B B±WB±O B±O B±O
B±O
B±O B±O
B±W
B±W
B±RB±W
B±O B±O B
R
W
G
BR R±Y R±W B±WB
BR
(
A/T)
(
A/T)
(
SHIELDED)
+B EXT C±
STA NSW IGT IGF NE G1 G2 G±NE G1 G2 G± IGF IGTNOISE
FILTER IG±TO TACHOMETER
[COMB. METER]
DATA LINK
CONNECTOR 1
(
CHECK
CONNECTOR)
DISTRIBUTOR IGNITER
ENGINE CONTROL MODULE
(
ENGINE AND ELECTRONICALLY
CONTROLLED TRANSMISSION ECU)JUNCTION
CONNECTOR 21
ED EC I20
E22 IJ1 9IJ11
II1 29
D1
N1
J2
E9I4
D4I5
E28
B±W