1986 TOYOTA SUPRA air condition

230
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING
7. 5A
HTR
E9
E9
E3E3
E2 2
1A 51K22
22 22265 12
3
52 31
23 41531 42
22 22
1 2 4
M
1 2
M
1 2
M 21 IK 1 3IK12EA1 1
IK1 1 IB 4 1
IF15
IF313 IB23
EB IGEB A 2A3
B 2B1A1 FROM POWER SOURCE SYSTEM(
SEE PAGE 56)
R±L
R±L
R±L
R±L
R±LR±L
W±G
L±W
L
L
II1 10
LL L±W
L L±W
LW±B W±B
R±L B
R±L R±L L±R
L±W W±B
L±R L±R
L B
BR
W±B W±B
L
R±L
L±B
L±BL±B
L±BL±BL
W±B W±B W±B
W±B
W±BW±BL±R W±R LL
W±G
R±L 22 11
(
*1) (
*1)
(
*1)
50A
HTR30A
FAN
RADIATOR FAN
RELAY NO. 2
RADIATOR FAN
RELAY NO. 1
HEATER
RELAY
A/C MAGNETIC
CLUTCH RELAY
A/C SINGLE
PRESSURE SW A/C MAGNETIC
CLUTCH A4
ENGINE COOLANT
TEMP. SW
(
WATER TEMP. SW) E5
RADIATOR
FAN MOTOR R1
A/C CONDENSER
FAN MOTOR A2
B3
BLOWER MOTOR +B SI
M+ M± GNDBLOWER MOTOR
CONTROL RELAYB B4 ,B5AE9:*1
E20 : * 2
E11 : * 1
E26 : * 2R2
R3
A 3
A 2
A3A
EA E5
W±B

232
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING
IG1 16 IG113 IG115 IG114 IF1 10
I15
I15
B 8B19 B20 B17 C16 C4C10 C11 C1C2 A 1A6A18 A5B6B3B4 MA 9 W±B
R±L
R±L
R±L
R±L
G±R
G
GR G±R
G
GRR±L R±L R±L
R±L
V
R±Y
BR
Y
BR±W
GW±B
2 534
R±L
IG AIR AIF AIM/AMOUT L±RDEF L±DEF L±F/D L±FOOT L±B/L L±FACEAIR INLET CONTROL SERVO MOTOR A2 4HEATER CONTROL SWB H12 , H13A
A/C AMPLIFIERA A12 , A13CRR±
DEFOG DEF F/D FOOT B/L FACE
RECIRC
FRESH
B ,A14

234
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING
I12 I12I13
I13 I13 I13
I19 I14 I12 2 1
2 1
2 1 2 1
2 1 IB6 11 IB63 II120
II1 26 IF3 7IF38
IG1 6IG13IG17IG11 IG1 11 IG1 4IG15 2 1M
A 2A17 A5A6C22 B10 A7C8C9 A 16BR±W
V±W V±W BR±W
V±W BR±W BR±W
BR±W
V±W V±W V±W V±W
BR±W
Y±G
Y±L V±W BR±W
V±W
V±W
P±B
V±W
V±W
LG
V±W L±Y
Y± L
WV±W LG±R LG ±R
W Y±L L±YLG G±Y G±YP±BY± L Y±G BR±W
V±W P±B
V±W
V±W
G±YG±Y V±W
V±W
LG
BR±W
Y±L
W
534 2 1
P±B
V±W
S5 TS TR TAM LOCK±IN TPO TE AOD AOFTW
A/C ROOM
TEMP. SENSOR A16 A/C SOLAR SENSOR A17
A/C AMBIENT
TEMP. SENSOR A1
A/C LOCK SENSOR
[A/C MAGNETIC CLUTCH] A4
AIR VENT MODE
CONTROL SERVO MOTOR A26
A/C EVAPORATOR
TEMP. SENSOR A15
ENGINE COOLANT
TEMP. SENSOR
(
WATER TEMP. SENSOR)
(
FOR A/C SYSTEM) E11
A/C AMPLIFIERA A12 , A13CDEF
FACE
V±W
B ,A14

236
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING
A 4 A/C MAGNETIC CLUTCH4 ± GROUND: APPROX. 3.7

A 3(A) A/C DUAL PRESSURE SW [A/C TRIPLE PRESSURE SW] (2JZ±GTE)(A) 1±(A) 4 : OPEN ABOVE APPROX. 225 KPA (33 PSI, 2.3 KG/CM2) OR 3140 KPA (458 PSI, 32 KG/CM2)
A 3(B) A/C DUAL PRESSURE SW (2JZ±GE)(B) 1±(B) 2 : OPEN ABOVE APPROX. 225 KPA (33 PSI, 2.3 KG/CM2) OR 3140 KPA (458 PSI, 32 KG/CM2)
A12(C), A13(A), A14(B) A/C AMPLIFIER+B ± GROUND: ALWAYS APPROX. 10±14 VOLTS
IG ± GROUND: APPROX. 10±14 VOLTS WITH IGNITION SW AT ON POSITION
HR ± GROUND: APPROX. 10±14 VOLTS WITH IGNITION SW AT ON POSITION AND DO NOT TURN THE BLOWER MOTOR
BELOW 1 VOLTS WITH IGNITION SW AT ON POSITION AND TURN THE BLOWER MOTOR
ACC ± GROUND: APPROX. 10±14 VOLTS WITH IGNITION SW AT ACC OR ON POSITION
TW ± GROUND:10±14 VOLTS AT START THE ENGINE AND MAX. COLD POSITION OF A/C TEMP. CONTROL SW
BELOW 1 VOLTS AT START THE ENGINE AND MAX. WARM POSITION OF A/C TEMP. CONTROL SW
MGC ± GROUND: BELOW 1 VOLTS AT START THE ENGINE, PUSH THE A/C AUTO SW AND A/C SW ON POSITION
10±14 VOLTS AT START THE ENGINE, PUSH THE A/C AUTO SW AND A/C SW OFF POSITION
BLW ± GROUND:1.0±3.0 VOLTS WITH THE IGNITION SW ON AND TURN THE BLOWER MOTOR
S5 ± GROUND:4±6 VOLTS WITH THE IGNITION SW ON
SG ± GROUND: ALWAYS CONTINUOUS
AMH ± AMC13±19 VOLTS WITH IGNITION SW OFF
AOF ± GROUND: APPROX. 12 VOLTS WITH FACE SW ON
AOD ± GROUND: APPROX. 12 VOLTS WITH DEF SW ON
GND ± GROUND: ALWAYS CONTINUOUS
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A124 (2JZ±GTE)A1728H12A29A 126 (2JZ±GE)A2428H13B29
A 224A2528I 427
A3A24 (2JZ±GTE)A2628J 129A 3B26 (2JZ±GE)B 328R 125
A424 (2JZ±GTE)B 4A28R 225A 426 (2JZ±GE)B 5B28R 325
A12C28C10A28T 629
A13A28C12B28V1025 (2JZ±GTE)
A14B28E 524V1027 (2JZ±GE)
A1528E1029
A1628E1129
: 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)
1A20ENGINE ROOM MAIN WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1K20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
: 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)EA134 (2JZ±GE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IB436ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)IB636ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
IG138INSTRUMENT PANEL WIRE AND COWL NO. 3 WIRE (BEHIND HEATER CONTROL SW)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
IK138COWL NO. 4 WIRE AND COWL WIRE (RIGHT KICK PANEL)
SERVICE HINTS

238
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING

Remote Control MirrorSeat Heater (for Canada)SRS (Supplemental
Restraint System)Shift LockStartingTheft Deterrent and
Door Lock ControlTurn Signal and Hazard
Warning LightUnlock and Seat Belt
Warning
HeadlightHornIlluminationInterior LightLight Auto Turn OffPower SeatPower SourcePower WindowPPS (Progressive
Power Steering)Radio and Player
ABS (Anti±Lock Brake
System)Auto AntennaABS and Traction ControlBack±Up LightChargingCigarette LighterCombination MeterCruise ControlElectronically Controlled
Transmission and A/T
IndicatorEngine ControlFog Light
5±417±325±321±11±416±8 (for 2JZ±GE)24±418±319±3
23±3 (w/ Stereo
Power Amplifier)
24±2 (w/o Stereo
Power Amplifier)1~26±120±312±212±411±28±310±3
13±321±29±214±31±27±4
Taillight
11±421±47±210±2
SYSTEM INDEX
Stop Light
248
Clock
20±315±8 (for 2JZ±GTE)
Electric Tension Reducer
20±416±3 (for 2JZ±GE)15±3 (for 2JZ±GTE)
Front Wiper and Washer
22±44±3 (for 2JZ±GE)3±3 (for 2JZ±GTE)
6±3 (for Canada)5±3 (for USA)
Ignition
9±42±4 (for 2JZ±GE)2±2 (for 2JZ±GTE)
Radiator Fan and
Automatic Air
Conditioning
26±3
Remote Window Defogger
and Mirror Heater
20±2
Rear Wiper and Washer
22±2
OVERALL ELECTRICAL WIRING DIAGRAM

OVERALL ELECTRICAL WIRING DIAGRAM
1
234
26 SUPRA(
Cont. next pa ge)
7ACC
IG1
ST1 AM15
4
6 1
5 2
3
2 1
3 5
4
2 1
5 33 4
1 2
1 2
M
1 2
M
2 3
1 2 1E 13 1J4
22 2222 22 1B 21B4
222 221A 51K2 1J 5
10 IF1
1IB4
3IB2
3IK12EA1
5IF1
2A
EB IG EB2B 1B 1A 3A 2A
1 2
M1IK1 2IK110 II1 EA11
4IG116
IG113
IG115
IG114 M
IF313 BATTERY
120A ALT 60A POWER 50A AM1(
for USA)
60A AM1(
for Canada)30A FAN 50A HTR HEATER
RELAY A/ C MAGNETI C
CL UTCH REL A Y A3
A/C SINGLE
PRESSURE SWE5
ENGINE COOLANT
TEMP. SW
(
WATER T EMP. SW) R1
RADIATOR
FAN MOTORA2
A/C CONDENSER
FAN MOTOR
BLOWER MOTOR
CONT ROL REL AY
B3
BL OWER MOTOR
10A ECU±B R3
RADIATOR FAN
RELAY NO. 2
I19
IGNITION SW7. 5A
HTR
R2
RADIATOR FAN
RELAY NO. 1
To Engine Contr ol
Module(
Engine and
Electronically
Controlled Tr ans miss ion
ECU)
< 3±7> < 4±8>
A4
A/C MAGNETIC
CLUTCH
W± RW
W± LW W±RB B R±L R± L R± L B± YLR±LL±B L±B
W± B W± B
W± B
L L
L±RL±W L±W
L±R W±GL
R±L R±L W±BL±R
R± L W± R(
2JZ±GTE) R± L(
2J Z±GTE)
BBR BR W± BLL
W± B L W±B W±B
W± B
L±WL
L
L±W
L
LW± B R±LW±B
W±B
L±B W± R(
2JZ±GTE)
R± L(
2J Z±GTE) P±L
B±Y
R± LR±L
G±R
G
GR GRG G± RR± L P±L W± R
R±L R±L
FRESH RE CI RC A24
A I R I NL ET CONTROL
SERVO MOTOR
L
L±W
L
W±B W±BL±R W± G
(
2JZ±GTE)
R±L
(
2J Z±GTE)
22 2
2
2
111
112
5
3
4 A/ C AMPLI FI ER
1234 567
8 9 10 11 12 13 14 15 16 17 18A ORANGE
4
12 13 14 15 16 123 5678
9 1011 17181920B ORANGE
1
234 5678
9
10 11 121
3 2ABLACK
1
2 BBLACK
A ORA NGEBL OWE R MOTOR C ON TROL RE LA Y
HE ATE R CONTROL S W
13 14 15 16 17 18 1920123 45
6 7 8 9 10 11 12 13 14B ORANGE
B+B
M+ M± GND S1 1
Fr ont side of
left fenderRight kic k panel12345 6789
10 11 12 13 14 15 16 17 18 19 20 21 22C ORANGE A1 2
A1 3
A1 4
B4 B5
A/C DUAL PRESSURE SW
1
23
412 A A 3 BLACK BA3 GRAY
B4 A , B5 B
H12 H13 22
2
W
W
W± B
Fr ont side of
lef t fenderEAFront side of
r ight f ender
W± B
Radiator Fan Automatic Air Conditioning Power Source

5
678
26 SUPRA(
Cont' d)
1J 8
1E 2
6 IF3 6 IG1 1 IG1 7 IG1 11 IG1 3 IG1 8 IG1 2 IG1 9 IG1 7 IF3
20 II 11 2
1 2
2 1
5IG1 3IB6 1 2
1 213 B 9B 2A 17 A 5A 6A 22 C 9A 3A 1A 18 A 7A 16 A9A 10 A 2A 11 A 7B 2B 13 A 9B 10 B 1B 16 A 12 A 17 A 14 A 4A 3A 15 A 7A 11 B 12 B 4B 3B
8C 9C 10 B1A 6A18A5A6B
6B 21 C 14 A 15 B 16 B 7C 17B 20B 19B 20C 7B 11A 18B 8B 16C 4C 10C 11C 1C 2C 6C 17C 18C 19C 12C 15C 14C 3C 13C 1B 4B 3B 2B 8A 10A 4A 11B
IH IG1426 II 1
11 IB6
EAM 12 I B629 II1 31 II1
8IF3
To Engine Contr ol Module
(
Engine and Electronically
Controlled Transmission ECU)
< 3±6> < 4±8>
From Engine Contr ol Module
(
Engine and Electronically Controlled
Transmission ECU)(
2J Z±GTE)
<3±7>
From Igniter(
2J Z±GE)
< 2±4>
A/C DUAL
PRESSURE SW
A2 6
AI R VENT MODE
CONT ROL S ERVO MOT OR
E1 1
ENGI NE COOL ANT TEMP. SENSOR
(
WATER TEMP. SENSOR)
(
for A/ C Syst em) A1 5
A/ C EVAPORATOR
TEMP. SENSOR A4
A/ C LOCK SENSOR
[A/C MAGNETIC CLUTCH]A1
A/C AMBIENT
TEMP. SENSOR A16
A/C ROOM
TEMP. SENSOR A17
A/C SOLAR SENSOR
A2 5
AI R MI X CONTROL
SERVO MOTOR
J1
JUNCTION
CONNECTOR TSET
VER1 GND S5 SW1 SW2
TS SW3
TR SW4
TAMSW5 SW6
LOCK±I NSW7
SGL±LO L±M1 L±M2
AMH AMC TP TEL±M3 L±HI
L±A/C L±FRS
L±REC L±MAUTO
L±FACE
TW AOD AOF TPOL±B/L
L±FOOT L±F/D
L±DEF L±RDEF IG RDEFGR SPEED +B ACC AI R
AIF AIM/AMOUT
A/C±I N HR BLW PSW IGN MGC15A
CIG
From Telltale Light RH
< 25±1> From Rear Window Defogger
Relay< 20±1> HEATER CONTROL SW
Rr±
DEFOGDEF F/D FOOT B/L FACE AUTORE C/
FRSA/ C FAND± F AND+ OFF
WARM COOL
M
DEF FACE COOL WA RM
A 5 4 5 4312 312
AA
L±Y L±Y L±Y
L
L±W
LW± B B±WL±R LGW Y±L LG±RL±Y G±WR± YVV
R± Y
G±W
L±Y
LG±R
Y±L
W
LGBR±WV±W
V±W
V±W
V±W
BR±W
B±WL±RV± W V± W V±W V±W P±B
G±Y
V±W G±Y[P±BY±L Y±G BR± WW± B W± B W±B W± B W± B
V± W BR±W
BR± WBR±W W± B
BR± W
L±B
V±W
P±B
Y±B
L±R
G±W
R±W
W± L
LG±R
R
P±B
B±W
P
LG
B
GR
LG±B
R± B
G
BR± W
Y
BR
R± Y
V
R± L
B
P
W± R
L±R
GR P± L
W±R
P± L
R±L
G±R
G
R±L R± L
V± W V±W V±W V± W
BR± W BR±W V±W L L±W
V±W V±W V±WV± WBR± W
V± W V± WW± B
P±B
R±L
L H12 A , H13 B
A/C AMPLIFIER A12 C , A13 A , A14 B
Fro nt s id e of
right fender4A 2B 1A
1B(
*2) (
*1) (
*2) (
*1)
A3 A , B
Right kick panel*1: 2JZ±GTE
*2: 2JZ±GE
2 1
Radiator Fan Automatic Air Conditioning