1997 TOYOTA SUPRA Service Repair Manual

Page 673 of 1807

TOYOTA SUPRA 1997  Service Repair Manual FI6571
Sub Throttle Position
SensorECM
5V
B+ VCC
VTA2
IDL2
E2
DI-258
- DIAGNOSTICSENGINE (2JZ-GTE)
486 Author: Date:
1997 SUPRA   (RM502U)
DTC P1400 Sub Throttle Position Sensor Malfunction
CIRCUIT

Page 674 of 1807

TOYOTA SUPRA 1997  Service Repair Manual BE6653P23933A07640A06729
ON
Check Harness A
ECM
B65, 63, 42
VTA2 (+)
IDL2 (+) E2 (-)
Sub Throttle Valve
- DIAGNOSTICSENGINE (2JZ-GTE)
DI-259
487 Author: Date:
1997 SUPRA   (RM502U)
INSPECTION PROCED

Page 675 of 1807

TOYOTA SUPRA 1997  Service Repair Manual S03246S02441A03142
Sub Throttle Position Sensor
1
2
3
DI-260
- DIAGNOSTICSENGINE (2JZ-GTE)
488 Author: Date:
1997 SUPRA   (RM502U)
2 Check sub throttle position sensor.
PREPARATION:
Disconnect  sub

Page 676 of 1807

TOYOTA SUPRA 1997  Service Repair Manual - DIAGNOSTICSENGINE (2JZ-GTE)
DI-261
489 Author: Date:
1997 SUPRA   (RM502U)
DTC P1401 Sub Throttle Position Sensor Range/
Performance Problem
CIRCUIT DESCRIPTION
Refer to ºSub Throttle Position Se

Page 677 of 1807

TOYOTA SUPRA 1997  Service Repair Manual S03258
Turbo Pressure Sensor
3
2
1L-R
B-Y
W-B41
62
65B
B
BECM
5V
VCC
5V
PM1
E2
E1 DI-262
- DIAGNOSTICSENGINE (2JZ-GTE)
490 Author: Date:
1997 SUPRA   (RM502U)
DTC P1405 Turbo Pressure Sensor Circuit

Page 678 of 1807

TOYOTA SUPRA 1997  Service Repair Manual BE6653S02442A06730
SST
E1 (-)
B69, 41
VCC (+)
ECM
ON
- DIAGNOSTICSENGINE (2JZ-GTE)
DI-263
491 Author: Date:
1997 SUPRA   (RM502U)
INSPECTION PROCEDURE
1 Connect the OBD II scan tool or TOYOTA  hand-

Page 679 of 1807

TOYOTA SUPRA 1997  Service Repair Manual BE6653S02443A03143
ON
SST
ECM
B65, 62
PM1(+)
E2(-)
DI-264
- DIAGNOSTICSENGINE (2JZ-GTE)
492 Author: Date:
1997 SUPRA   (RM502U)
3 Check voltage between terminals PM1 and E2 of ECM connector.
PREPARA

Page 680 of 1807

TOYOTA SUPRA 1997  Service Repair Manual - DIAGNOSTICSENGINE (2JZ-GTE)
DI-265
493 Author: Date:
1997 SUPRA   (RM502U)
DTC P1406 Turbo Pressure Sensor Circuit Range/
Performance Problem
CIRCUIT DESCRIPTION
Refer to ºTurbo Pressure Sensor M