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![TOYOTA SUPRA 1997 Service Repair Manual 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/C TOYOTA SUPRA 1997 Service Repair Manual 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/C](/manual-img/14/57469/w960_57469-1224.png)
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
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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
Page 1227 of 1807
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
Page 1228 of 1807
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246
K OVERALL ELECTRICAL WIRING DIAGRAM
Page 1230 of 1807
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248
K OVERALL ELECTRICAL WIRING DIAGRAM
Page 1232 of 1807

1
234
1 SUPRA ELECTRICAL WIRING DIAGRAM
2ACC
IG1
ST2IG2 AM1 4
8 6 7AM2
222
221J 6 1J 4
2 1
5 3
21K 4
2A22 1
2IJ1IJ2131J 31J5
1E 81E12
34 II1 23 II1
2EA3EA 2 4
1B
B
A
A
A L
IG
S IJ29 3EA1
4IB1 2
1
B
1
A I19
IGNI TION SW
5 0A AM1
( USA)
6 0A AM1
(
Can ada)
50A
MAI NSTARTER
RE LAY
7. 5A
ALT- S120 A
AL T30A
AM2
BA TTERY[STARTE RTo Thef t Deterren t an d
Doo r Lock Con trol EC U
<14- 3>
T o E ng i ne Co nt r o l
Mo dule < 3- 7> < 4 - 8> To B ulb Chec k Rela y
[Comb. Meter] < 26- 6> C 9
CLUT CH
START SW
(M/ T)7. 5 A
ST
P
NP 2
PA RK/NE UTRAL
POSITION SW
(A/T)7. 5A
IGN10 A
GAUGE
T 6
CHA RGE WARNIN G LIG HT
[TELLTALE LIGHT RH]
(
*1)
(
*2)
1
2
3
G 1 B , G 2 A
GENE RATOR
1
123 B G 1 AG 2 B LACK GEN ERAT OR S 2 A , S 3 B
1
1 STARTER
A S 2 BS 3 BL ACK
W
W
W WW- R W- RBB BB-WB-WBB B
B L- O
B B L- OB
B B- O Y - GY W
B- Y
B- W
W W
W W Y- GY W
Y- G B- W B- WBB-W
B
B
(
A/T)
(
M/T) (
M/T) (
M/T) (
M/T)
(
A/T) (
A/T)(
A/ T) (
A/T)
(
M/T)3
6
22 22
11 111
212
5 B- Y
B- R B- W
B- R
11EA3EA2 1(
*1)
(
*2)
B
* 2 : 2JZ- GE * 1 : 2JZ- GTE
To Daytime Runni ng
Li g h t Re l a y(
Main)
<6- 1>
B(
A/T)Y- GFrom Combination
Meter< 2 6- 5>
Y- G W
W
Charging Starting P ower Source
1B 4
W* 3 : Canada
(
*3)
12 I B2
B- W
K