1997 TOYOTA SUPRA Service Repair Manual

Page 633 of 1807

TOYOTA SUPRA 1997  Service Repair Manual A00706
ON
EGR Gas
Temp. Sensor
2
1ECM
46
65
B
BTHG
5V
E2
Check Harness A
ECM
B46, 65
E2
(-) THG
(+)
DI-220
- DIAGNOSTICSENGINE (2JZ-GTE)
448 Author: Date:
1997 SUPRA   (RM502U)
3 Check for open in h

Page 634 of 1807

TOYOTA SUPRA 1997  Service Repair Manual A00595
ON
Air
Air
E
F
E
F
System: ON
System: OFF
- DIAGNOSTICSENGINE (2JZ-GTE)
DI-221
449 Author: Date:
1997 SUPRA   (RM502U)
6 Check the VSV for EGR.
PREPARATION:
Select the ACTIVE TEST mode on the

Page 635 of 1807

TOYOTA SUPRA 1997  Service Repair Manual DI-222
- DIAGNOSTICSENGINE (2JZ-GTE)
450 Author: Date:
1997 SUPRA   (RM502U)
9 Check EGR valve (See page EC-7).
NG Repair or replace.
OK
10 Check value of EGR gas temp. sensor.
PREPARATION:
(a) Conn

Page 636 of 1807

TOYOTA SUPRA 1997  Service Repair Manual S03243S03486
A03069
EGR Gas Temp. Sensor
Connector
BE6653S03244S03487A03070
ON
Wire Harness Side
1(-)
2(+)
- DIAGNOSTICSENGINE (2JZ-GTE)
DI-223
451 Author: Date:
1997 SUPRA   (RM502U)
OBDII scan too

Page 637 of 1807

TOYOTA SUPRA 1997  Service Repair Manual A00709
ONCheck Harness A
ECM
B46, 65
E2(-)
THG(+)
DI-224
- DIAGNOSTICSENGINE (2JZ-GTE)
452 Author: Date:
1997 SUPRA   (RM502U)
3 Check for open in harness or ECM.
PREPARATION:
(a) Connect  Check Har

Page 638 of 1807

TOYOTA SUPRA 1997  Service Repair Manual A00710
ONCheck Harness A
B75
EGRON
OFF
Air
Air
E
FE
F
VSV: ON VSV: OFF
- DIAGNOSTICSENGINE (2JZ-GTE)
DI-225
453 Author: Date:
1997 SUPRA   (RM502U)
6 Check the VSV for EGR.
PREPARATION:
(a) Connect

Page 639 of 1807

TOYOTA SUPRA 1997  Service Repair Manual S03243S03486
A03069
EGR Gas Temp. Sensor
Connector
DI-226
- DIAGNOSTICSENGINE (2JZ-GTE)
454 Author: Date:
1997 SUPRA   (RM502U)
8 Check EGR vacuum modulator (See page EC-7).
NG Repair or replace.
OK

Page 640 of 1807

TOYOTA SUPRA 1997  Service Repair Manual - DIAGNOSTICSENGINE (2JZ-GTE)
DI-227
455 Author: Date:
1997 SUPRA   (RM502U)
DTC P0402 Exhaust Gas Recirculation Flow Excessive
Detected
CIRCUIT DESCRIPTION
Refer To Exhaust Gas Recirculation Flow I