1997 TOYOTA SUPRA Service Repair Manual

Page 985 of 1807

TOYOTA SUPRA 1997  Service Repair Manual I02725
Ignition Switch5
1JGAUGE
12
1E12
1H J/B No.1
Y
(M/T)1
C15
C152 Cruise Control Clutch Start Switch (M/T)
(M/T)G-R
G-R(A/T)
7IJ2 Y
23
II1
Y
(A/T)4
P2 P29 Park/Neutral Position Switch (A/T)
G-R2
C

Page 986 of 1807

TOYOTA SUPRA 1997  Service Repair Manual Input SignalIndicator Light 
Blinking Pattern
Turn PNP switch
OFF (Shift to 
except D range)LightON
OFFSW ON
SW OFF
I02726
ON
(-)
D (+)
- DIAGNOSTICSCRUISE CONTROL SYSTEM
DI-695
923 Author: Date:
19

Page 987 of 1807

TOYOTA SUPRA 1997  Service Repair Manual DI-696
- DIAGNOSTICSCRUISE CONTROL SYSTEM
924 Author: Date:
1997 SUPRA   (RM502U)
4 Check harness and connector between PNP switch and cruise control ECU
(See page IN-28).
NG Repair or replace harne

Page 988 of 1807

TOYOTA SUPRA 1997  Service Repair Manual Input Signal
Indicator Light
Blinking Pattern
Clutch switch 
OFF (Depress
clutch pedal)
LightON
OFFSW ON
SW OFF
- DIAGNOSTICSCRUISE CONTROL SYSTEM
DI-697
925 Author: Date:
1997 SUPRA   (RM502U)
Clut

Page 989 of 1807

TOYOTA SUPRA 1997  Service Repair Manual I02726
ON
(-)
D (+)
DI-698
- DIAGNOSTICSCRUISE CONTROL SYSTEM
926 Author: Date:
1997 SUPRA   (RM502U)
3 Check voltage between terminal D of cruise control ECU and body ground.
PREPARATION:
Turn igni

Page 990 of 1807

TOYOTA SUPRA 1997  Service Repair Manual N19616
21B1J
I19I19
1J1I
1J 1H
C16 C16Cruise Control ECU
Cruise Control Switch
Battery R/B No.244
113 2
459
W14
13
IE
W-BW-B J/B No.1 Ignition Switch J/B No.1J/B No.1
AM1
ALTGNDB
2
2
2AW-B
W-B W
B-YB-

Page 991 of 1807

TOYOTA SUPRA 1997  Service Repair Manual N08843
J/B No.1
ECU-IG Fuse
I02728
ON
GND (-)
B (+)
DI-700
- DIAGNOSTICSCRUISE CONTROL SYSTEM
928 Author: Date:
1997 SUPRA   (RM502U)
INSPECTION PROCEDURE
1 Check ECU-IG fuse.
PREPARATION:
Remove EC

Page 992 of 1807

TOYOTA SUPRA 1997  Service Repair Manual N19842
GND
- DIAGNOSTICSCRUISE CONTROL SYSTEM
DI-701
929 Author: Date:
1997 SUPRA   (RM502U)
3 Check resistance between terminal GND of cruise control ECU connector and
body ground (See page IN-28).