1997 TOYOTA SUPRA relay

146
ELECTRONICALLY CONTROLLED TRANSMISSION
E2 ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID
8-GROUND:APPROX. 13.2:
4-GROUND:APPROX. 13.2:
6.2:APPROX. 8.3 :
7.3:APPROX. 3.8 :
1.5:APPROX. 3.8 :
E 3 ENGINE COOLANT TEMP. SENSOR
1-2:1- 10-20 K20
C4
F
4-7 K 0
C32
F
2-3 K20
C68
F
0.9-1.3 K-40
C-104
F
0.4-0.7 K-60
C140
F
0.2-0.4 K-80
C176
F
E 9 (B), E10 (A) ENGINE CONTROL MODULE
BATT-E1:AL WAYS 9-14 VOLTS
IGSW-E1:9-14 VOLTS WITH THE IGNITION SW ON
+B-E:9-14 VOLTS WITH THE IGNITION SW ON
IDL1-E1:0-1.5 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY CLOSED
9-14 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY OPEN
VTA1-E1:0.3-0.8 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY CLOSED
3.2-4.9 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY OPEN
STA-E1:6-14 VOLTS WITH THE ENGINE CRANKING
M-REL-E1:9-14 VOLTS WITH THE IGNITION SW ON
VCC-E1:4.5-5.5 VOLTS WITH THE IGNITION SW ON
L-E1:APPROX. 7.5-14 VOLTS WITH THE SHIFT LEVER AT Lº POSITION
2-E1:APPROX. 7.5-14 VOLTS WITH THE SHIFT LEVER AT 2º POSITION
R-E1:APPROX. 7.5-14 VOLTS WITH THE SHIFT LEVER AT Rº POSITION
0 1 O/D DIRECT CLUTCH SPEED SENSOR
1-2:APPROX. 620 :
V11 VEHICLE SPEED SENSOR NO. 2 (ELECTRONICALLY CONTROLLED TRANSMISION)
1-2:APPROX. 620 :
E 8 ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW
4-3:CLOSED WITH ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW AT MANUAL POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A 524(2JZ-GTE)E 324(2JZ-GTE)0 529
C 324(2JZ-GTE)E 829P225(2JZ-GTE)
C10B28E 9B29S 525
C11A28E10A29S1129
C12C28I1929T 225(2JZ-GTE)
C1628J 129T 629
D 124(2JZ-GTE)J 229T1425
D 528K 429V1025(2JZ-GTE)
E 124(2JZ-GTE)M 125V1125(2JZ-GTE)
E 224(2JZ-GTE)0 125
: 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)
IE20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H
1I20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
2A22BATTERY AND J/B NO. 2 (ENGINE COMPARTMENT LEFT)
SERVICE HINTS

156
ELECTRONICALLY CONTROLLED TRANSMISSION
E2 ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID
1, 2, 3-GROUND:EACH 11-15W
E 3 ENGINE COOLANT TEMP. SENSOR
4-7 K 0
C32
F)
2-3 K20
C68
F)
0-9.3 K40
C 104
F)
0-4.7 K60
C140
F)
0-2.4 K80
C176
F)
E 9 (B), E10 (A) ENGINE CONTROL MODULE
BATT-E1:AL WAYS 9-14 VOLTS
IGSW-E1:9-14 VOLTS WITH THE IGNITION SW ON
+B-E1:9-14 VOLTS WITH THE IGNITION SW ON
IDL1-E1:0-1.5 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY CLOSED
:9-14 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY OPEN
VTA1-E1:0.3-0.8 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY CLOSED
3.2-4.9 VOLTS WITH THE IGNITION SW ON AND THE THROTTLE VALVE FULLY OPEN
STA-E1:6-14 VOLTS WITH THE ENGINE CRANKING
M-REL-E1:9-14 VOLTS WITH THE IGNITION SW ON
VCC-E1:4.5-5.5 VOLTS WITH THE IGNITION SW ON
L-E1: 7.5-14 VOLTS WITH THE SHIFT LEVER AT Lº POSITION
2-E1: 7.5-14 VOLTS WITH THE SHIFT LEVER AT 2º POSITION
V11 VEHICLE SPEED SENSOR NO. 2 (ELCTRONICALLY CONTROLLED TRANSMISSION)
1-2:APPROX. 620
E 8 ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW
4-3 :CLOSED WITH THE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SW AT MANUAL
POSITION
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A426(2JZ-GE)E 326(2JZ-GE)0 529
C10B28E 829P 227(2JZ-GE)
C11A28E 9B29P 327(2JZ-GE)
C12C28E10A29S1129
C1628I1929T 227(2JZ-GE)
D 126(2JZ-GE)J 129T 629
D 426J 229V1027(2JZ-GE)
E 126(2JZ-GE)K 429V1127(2JZ-GE)
E 226(2JZ-GE)M 129
: 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)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H
1I20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1J20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1K
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)
EA134(2JZ-GE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA334ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB136ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
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)
SERVICE HINTS

A 1B2B4
A 2A4A3B1B5B6
IB6 2IB6 13
IB6 1IF1 11 IJ1 15 II121 IJ116
A 9A4A10 A21 A11 A22 A2A13 A 7A8A18 E18
I 4
IG EAA 4A2A3B2B1B4B5B8
M
A 1B 8 2EA16
DATA LINK
CONNECTOR 1
MR R+ SR TS
MT SFRH SFLH SRH SFLR AST GND1 GND2
ABS ACTUATORD 1 60A
ABS NO. 1 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
R
V
V- W
L- B
L- W
W- B
Y
R
L P- B Y L- B V- WV G- W
Y
B- Y
P
B- R
P- L P- L
W- B
W- BB- RP B- YY G- WL- W
L W- B
W- B
RL L
L- W
W- BRB-RB- R R
W- B16 11 2223 2
ABS RELAYB A 8 , A 9A
ABS ECUA A18 , A19B
IB6 6IB57IB58IB59IB54IB55
BS BM MT SFRH SFLH SRH SFLR AST
GND
B A 6 , A 7A 1
R
+BM +BSW
BM MR R+ SR BS GND
A 1
B 6
Y- R Y- R
IB5 3
SF RRSFRR
A 16
A 5
Y- G Y- G
IB6 5SRR
SRR
(
SHIELDED)
I 9
W- B
TS TC WAWB(
SHORT PIN)
160
ABS (W/O TRACTION CONTROL)

162
ABS (W/O TRACTION CONTROL)
THIS SYSTEM CONTROLS THE RESPECTIVE BRAKE FLUID PRESSURES ACTING ON THE DISC BRAKE CYLINDERS
OF THE RIGHT FRONT WHEEL, LEFT FRONT WHEEL AND REAR WHEELS WHEN THE BRAKES ARE APPLIED IN A
PANIC STOP SO THAT THE WHEELS DO NOT LOCK. THIS RESULTS IN IMPROVED DIRECTIONAL STABILITY AND
STEERABILITY DURING PANIC BRAKING.
1. INPUT SIGNALS
(1) SPEED SENSOR SIGNAL
THE SPEED OF THE WHEELS IS DETECTED AND INPUT TO TERMINALS FL+, FR+, RL+ AND RR+ OF THE ABS
ECU.
(2) STOP LIGHT SW SIGNAL
A SIGNAL IS INPUT TO TERMINAL STP OF THE ABS ECU WHEN THE BRAKE PEDAL IS DEPRESSED.
2. SYSTEM OPERATION
DURING SUDDEN BRAKING, THE ABS ECU WHICH HAS SIGNALS INPUT FROM EACH SENSOR CONTROLS THE
CURRENT FLOWING TO THE SOLENOID INSIDE THE ACTUATOR AND LETS THE HYDRAULIC PRESSURE ACTING ON
EACH WHEEL CYLINDER ESCAPE TO THE RESERVOIR. THE PUMP INSIDE THE ACTUATOR IS ALSO OPERATING AT
THIS TIME AND IT RETURNS THE BRAKE FLUID FROM THE RESERVOIR TO THE MASTER CYLINDER, THUS
PREVENTING LOCKING OF THE VEHICLE WHEELS.
IF THE ECU JUDGES THAT THE HYDRAULIC PRESSURE ACTING ON THE WHEEL CYLINDER IS INSUFFICIENT, THE
CURRENT ACTING ON SOLENOID IS CONTROLLED AND THE HYDRAULIC PRESSURE IS INCREASED.
HOLDING OF THE HYDRAULIC PRESSURE IS ALSO CONTROLLED BY THE ECU, BY THE SAME METHOD AS ABOVE,
BY REPEATED PRESSURE REDUCTION, HOLDING AND INCREASE ARE REPEATED TO MAINTAIN VEHICLE
STABILITY AND TO IMPROVE STEERABILITY DURING SUDDEN BRAKING.
A 6 (A), A 7 (B) ABS ACTUATOR
(A) 1-GROUND : ALWAYS CONTINUITY
(B) 5-(A) 4:33

(B) 1,(B) 2,(B) 4,(A) 4:APPROX. 8.8

(B) 5,(B) 6,(B) 8,(A) 4:APPROX. 4.3

A10, A11 ABS SPEED SENSOR FRONT LH, RH
1-2:1.4-1.8 K
(20
C, 68
F)
A31, A32 ABS SPEED SENSOR REAR LH, RH
1-2:0.9-1.3 K
(20
C, 68
F)
A18, (B), A19(A) ABS ECU
(B) 2-GROUND :10-14 VOLTS WITH THE IGNITION SW ON
(B)12-GROUND :10-14 VOLTS WITH THE STOP LIGHT SW ON (BRAKE PEDAL DEPRESSED)
(A) 2, (A) 13-GROUND :ALWAYS CONTINUITY
(A) 1, (A) 4, (A) 10, (A) 11, (A) 21, (A) 22-GROUND:10-14 VOLTS WITH THE IGNITION SW ON
S11 STOP LIGHT SW
1-2:CLOSED WITH THE BRAKE PEDAL DEPRESSED
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A 6A26(2JZ-GE)A1126(2JZ-GE)D 126(2JZ-GE)
A 7B26(2JZ-GE)A18B28D 528
A 8A26A19A28S1129
A 9B26A3130T 529
A1026(2JZ-GE)A3230
: 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 HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I20COWL WIRE AND J/B NO 1 (LEFT KICK PANEL)1K20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
SYSTEM OUTLINE
SERVICE HINTS

167
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A 6A24(2JZ-GTE)A21B28D 528
A 7B24(2JZ-GTE)A2328E1029
A1024(2JZ-GTE)A3130S1129
A1124(2JZ-GTE)A3230T 529
A20A28D 124(2JZ-GTE)T1629
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
523R/B NO. 5 (ENGINE COMPARTMENT RIGHT)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I20COWL WIRE AND 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)
IB236ENGINE ROOM MAIN WIRE AND COWL WIRE (LEFT KICK PANEL)
IB536ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)IB636ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IC236FLOOR NO. 2 WIRE AND COWL WIRE (LEFT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)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)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IE36LEFT KICK PANEL
IG36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I 238COWL WIREI 938COWL WIREI1138COWL WIREI1838COWL WIRE

7. 5A
TRAC
2 FROM POWER SOURCE SYSTEM (
SEE PAGE 56)
1
36 1455
55 2
4613
619 720
6 48
238
B 8 B 16 B 7 B 15 A 23 A 25 A 24 A 12 A 11 B 12 B 4 B 9 B 1
B 64 B63 A40 A39A 19 A 6 A 4 A 3 A 26 A 13 B 14 B 6IB5 14
IB5 12IB5 11
E16
I11
IG IE EC EDSUB THROTTLE
VALVE MOTOR S18ABS ECU A20
TRACTION
CONTROL
SW T 8
SUB THROTTL E
POSITION SENSOR S 5
THROTTLE POSITION SENSOR T 2
ENGINE CONTROL
MODULEA E 9 , E10
B THROTTLE ECUB T1 5 , T1 6AR
W- R
L- Y L- R
L- B
BR- B BR- BL- B L- R
(
SHIELDED)
Y
L
B
R
Y- B
GR- R
LG- B
O
BATT +B RLY+ RLY-
A-GE01
FRO
E1 EO1 SNOW
R GR- R
V- Y
G- O GR- RR R GR - RBR W- BR- BLG
W- B W- B
W- B
IDL1 IDL2
VTO1 VTO2 TRACTION
SOLENOID
RELAY
E16 : M/T
I17 : A/T
VTA1 VTA2 IDL1 IDL2 CSWAB- B RLORRO FLO
10A
EC U- B
1H 8
A- A B- B
FLO FR O RLO RROTC
SNOWOFF
170
TRACTION CONTROL

172
TRACTION CONTROL
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
A2028E 9B29T 529
C10A28E10A29T 829
C12B28S 525(2JZ-GTE)T15A29
D 124(2JZ-GTE)S1825(2JZ-GTE)T16B29
D 528T 225(2JZ-GTE)
: RELAY BLOCKS
CODESEE PAGERELAY BLOCKS (RELAY BLOCK LOCATION)
222R/B NO. 2 (ENGINE COMPARTMENT LEFT)
523R/B NO. 5 (ENGINE COMPARTMENT RIGHT)
: JUNCTION BLOCK AND WIRE HARNESS CONNECTOR
CODESEE PAGEJUNCTION BLOCK AND WIRE HARNESS (CONNECTOR LOCATION)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1H20COWL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
: CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS
CODESEE PAGEJOIINING WIRE HARNESS AND WIRE HARNESS (CONNECTOR LOCATION)
EA132(2J2 GTE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO 2)EA232(2J2-GTE)ENGINE WIRE AND ENGINE ROOM MAIN WIRE (NEAR THE R/B NO. 2)
IB536ENGINE ROOM MAIN WIRE AND COWL WIRE (RIGHT KICK PANEL)
IF136INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)IF236INSTRUMENT PANEL WIRE AND COWL WIRE (INSTRUMENT PANEL REINFORCEMENT LH)
II138ENGINE WIRE AND INSTRUMENT PANEL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
EB32(2JZ-GTE)FRONT SIDE OF LEFT FENDER
EC32(2JZ-GTE)FRONT SIDE OF INTAKE MANIFOLD
ED32(2JZ-GTE)REAR SIDE OF INTAKE MANIFOLD
IE36LEFT KICK PANEL
IG36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
E1632ENGINE WIREI1438INSTRUMENT PANEL WIRE
I 238COWL WIREI1738ENGINE WIRE
I1138COWL WIRE

187
C6 CIGARETTE LIGHTER
2-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
1-GROUND : ALWAYS CONTINUITY
C8 CLOCK
2-GROUND : ALWAYS 12 VOLTS (POWER FOR CLOCK)
5-GROUND : APPROX. 12 VOLTS WITH THE IGNITION SW AT ACC OR ON POSITION
(POWER FOR INDICATION)
3-GROUND : ALWAYS CONTINUITY
: PARTS LOCATION
CODESEE PAGECODESEE PAGECODESEE PAGE
C628C828J129
: 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)
1E20INSTRUMENT PANEL WIRE AND J/B NO. 1 (LEFT KICK PANEL)
1I20COWL 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)
IF336INSTRUMENT PANEL WIRE AND COWL WIRE (RIGHT KICK PANEL)
: GROUND POINTS
CODESEE PAGEGROUND POINTS LOCATION
IH36RIGHT KICK PANEL
: SPLICE POINTS
CODESEE PAGEWIRE HARNESS WITH SPLICE POINTSCODESEE PAGEWIRE HARNESS WITH SPLICE POINTS
I838INSTRUMENT PANEL WIRE
X2 34 5C 8GRAY
A AAA
AA A A
(
HINT : SEE PAGE 7) J 1
1
2 C 6
SERVICE HINTS