TOYOTA SUPRA 1997 Service Repair Manual

IG1 16 IG113 IG115 IG114 IF1 10
I25
I25
B 8B19 B20 B17 C16 C4C10 C11 C1C2 A 1A6A18 A5B6B3B4 A 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- DEFL- F/D
L- FOOTL- B/ L
L- FACE AIR INLET CONTROL SERVO MOTOR A24HEATER CONTROL SWB H12 , H13A
A/C AMPLIFIERA A12 , A13
CRR-
DEFOG DEF F/ D FOOT B/ L FACE
B , A14
MRECIRC
FRESH
232
RADIATOR FAN AND AUTOMATIC

C 6C17 C18 C19 C12 C15 C14 C3C13 B1B4B3B2A8A10 4 A9B11 B 12 B11 A7A15 3 A4A14 A17 A12 A16 B1B10 B9A13 B2B7A11 A2A10
I12
R- B
LG- B
GR
B
LG
P
B- W
P- B
R
LG- R
W- L
R- W
G- W
L- R
Y- B
P- B
L- W
L- B
BR- W L- W
BR- W
L- W A
A
L- MAUTO
L- RECL- FRS
L- A/CL- HI L- M3 L- M2 L- M1 L- L0 SW7 SW6 SW5 SW4 SW3 SW2 SW1 SG TSET
A/C AMPLIFIERA A12 , A13C AUTOREC/
FRS A/C FAND- FAND+ OFF
WARM COOL HEATER CONTROL SWB H12 , H13A
B , A14
233
AIR CONDITIONING* 1 : 2JZ- GTE
* 2 : 2JZ- GE

I12 I12I13
I13 I13 I13
I19 I14 I12 2 1
2 1
2 1 2 1
2 1 IB6 11 IB63II120
II1 26 IF3 7IF38
IG1 6IG13IG17IG11 IG1 11 IG1 4IG15 2 1
A 2A17 A5A6C22 B10 A7C8C9 A 16BR- W
V- W V- W BR- W
V- W BR- W BR- W
BR- W
L- W L- W L- W L- W
BR- W
Y- G
GR- R L- W BR- W
L- W
V- W
G
L- W
L- W
LG
V- W L- Y
Y- L
WV- W LG- R LG- R
W Y- L L- YLG G- Y G- YG GR - RY- G BR- W
L- W G
L- W
L- W
G- YG- Y L- W
V- W
LG
BR- W
Y- L
W
534 2 1
G
V- W (
*1)
S5 TS TR TA M LOCK- I N TPO TE AOD AOFTW
A /C ROOM
TEMP. SENSOR A16 A/C SOLAR SENSOR A17
A/C AMBIENT
TEMP. SENSOR A 1
A/C LOCK SENSOR
[A/C MAGNETIC CLUTCH] A 4
AIR VENT MODE
CONTROL SE RVO MOTOR A26
A/C EVAPORATOR
TEMP. SENSOR A15
ENGINE COOLANT
TEMP. SENSOR
(
A/C SYSTEM) E11
A/C AMPLI FIERA A12 , A13C
L- W
B , A14
L- W (
*2)
M DEF
FACE
234
RADIATOR FAN AND AUTOMATIC

44 52 3144I14 I14
I14
IG 1 8IG19IG12IF18IF36II1 8II123
A 18 A3A1B7C20 B18 A11 A14II12
IB6 12
EA V- WY Y
Y
L- R L- R
L- Y
W- R
L- R
Y
Y
Y
Y R
Y L- R Y BR- W
G- W
V- W
V
R- Y G- W
V
R- Y G- W
V
R- Y
W- R
L- R
O
P
L- Y L- YP
L- R
W- B
4352 1
65 3 121
W- L B
TP AMH AMC +B ACC RDEFGR SPEED PSW AIR MIX CONTROL
SERVO MOTOR
SPEEDOMETER
[COMB. METER]
A25
TELLTALE LIGHT RH T 6
VEHICLE SPEED SENSOR NO. 1
(
COMBINATION METER) V10 A/C DUAL PRESSURE SW
ODO AND
TRIP
A/ C AMPLI FIERA A12 , A13C
O
REAR WINDOW
DEFOGGER RELAY
IF A 9
A 11 B11A 10
A 4
B 1B 2A 1
(
*1) (
*1)
(
*2)
(
*2)
B A 3 , AB C10 , C12A
B , A14
BRBR
R
10A
ECU- B15A
CIG10A
GAUGE
1E 13 1E21H121E12 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
M
WARM
COOL
235
AIR CONDITIONING* 1 : 2JZ- GTE
* 2 : 2JZ- GE

236
RADIATOR FAN AND AUTOMATIC
A4 A/C MAGNETIC CLUTCH
4-GROUND : APPROX. 3.7 W
A3 (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/CM
2) OR 3140 KPA (458 PSI, 32 KG/CM2)
A3 (B) A/C DUAL PRESSURE SW (2JZ-GE)
(B)1- (B)2 : OPEN ABOVE APPROX. 225 KPA (33 PSI, 2.3 KG/CM
2) 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 THE IGNITION SW AT ON POSITION
HR-GROUND : APPROX. 10-14 VOLTS WITH THE IGNITION SW AT ON POSITION AND DO NOT TURN THE BLOWER
MOTOR BELOW 1 VOLT WITH THE IGNITION SW AT ON POSITION AND TURN THE BLOWER MOTOR
ACC-GROUND : APPROX. 10-14 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
TW-GROUND :10-14 VOLTS AT START THE ENGINE AND MAX. COLD POSITION OF THE A/C TEMP. CONTROL SW
BELOW 1 VOLT AT START THE ENGINE AND MAX. WARM POSITION OF THE A/C TEMP. CONTROL SW
MGC-GROUND :BELOW 1 VOLT AT START THE ENGINE, PUSH THE A/C AUTO SW AND THE A/C SW ON POSITION
10-14 VOLTS AT START THE ENGINE, PUSH THE A/C AUTO SW AND THE 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 CONTINUITY
AMH-AMC :13-19 VOLTS WITH THE IGNITION SW OFF
AOF-GROUND : APPROX. 12 VOLTS WITH THE FACE SW ON
AOD-GROUND : APPROX. 12 VOLTS WITH THE DEF SW ON
GND-GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A124 (2JZ-GTE)A1728H12A29A126 (2JZ-GE)A2428H13B29
A224A2528I427
A3A24 (2JZ-GTE)A2628J129A3B26 (2JZ-GE)B328R125
A424 (2JZ-GTE)B4A28R225A426 (2JZ-GE)B5B28R325
A12C28C10A28R2025
A13A28C12B28T629
A14B28E524V1025 (2JZ-GTE)
A1528E1029V1027 (2JZ-GE)
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

237
AIR CONDITIONING
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EA32 (2JZ-GTE)FRONT SIDE OF RIGHT FENDEREA34 (2JZ-GE)FRONT SIDE OF RIGHT FENDER
EB32 (2JZ-GTE)FRONT SIDE OF LEFT FENDEREB34 (2JZ-GE)FRONT SIDE OF LEFT FENDER
IF36LEFT KICK PANEL
IG36RIGHT KICK PANELIH36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E2I1238INSTRUMENT PANEL WIRE
E532ENGINE ROOM MAIN WIREI1338COWL NO. 3 WIRE
E9I14
E1132ENGINE WIREI1938INSTRUMENT PANEL WIRE
E2134ENGINE ROOM MAIN WIREI25
E2634ENGINE WIRE
122 1
1
23
412
X4
1234X 6789
10 11 12 13 14 15 16 17 18 19 20 21 221234 567
8 9 10 11 X X 14 X 16 17 184
X 13 X 15 16 123 X678
9 1011 17181920 ABLACK A 3 B GRAYA 3
C ORANGE A1 2 A ORANGEA13
B ORANGE A14 BLACK BLACKGR A Y A 1 A 2A 4
121 2
X
23451
23451
2345
121
3 2
1
29 X1011
11 XXABLACK B 4 B BLACKB 5 A BLUEC10
B C12BLACK GRAY
BLACK A15 A16 A17 A24 A25 A26
B 3(
2JZ- GTE)(
2JZ- GE)
12
12
X 23
34X
16
X DARK GRAY DARK GRAY(
2JZ- GTE)
E 5 E10
XXX X 12
X

238
RADIATOR FAN AND AUTOMATIC AIR CONDITIONING
X XX
23XX
X
XX
X
XXX
X1
234 567
9
10 11 12 13 14 15 16 17 18 XA ORANGE H12 (
2JZ- GE)
E1 0 E11DARK GRAY
34
123 4X
6 7 X 9 10 11 12 X X4A AAA
AA AA2 1
12
341
X
5 2
3
6156
XXX123 BORANGE H13 I 4 J 1 R 1
R 2 R 3T 6 V10 BLACKBLACK
BLACK GRAYBLACK (
HINT : SEE PAGE 7) X X12
12R20 BLACK X

239
MEMO

246
K OVERALL ELECTRICAL WIRING DIAGRAM

247
K