1995 TOYOTA SUPRA Service Repair Manual

Page 2089 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
(See page EG±510)
Check and repair harness or connector between
engine control module and EFI No.1 fuse, EFI No.1
fuse and battery.
Remove EFI No.1 fuse from R/B No.2.
Check cont

Page 2090 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Injector Circuit
CIRCUIT DESCRIPTION
The injectors are located in the intake manifold. They inject fuel into the cylinders based on the signals
from the engine control module.
With engine idling meas

Page 2091 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
Remove AM2 fuse from R/B No.2.
Check continuity of AM2 fuse.
Continuity
Check voltage between terminals # 10 ~ 60 of engine control module and
body ground.
Check AM2 fuse.
(1) Con

Page 2092 of 2543

TOYOTA SUPRA 1995  Service Repair Manual (See page IN±30).
Disconnect  solenoid resistor connector.
Measure resistance between terminals 1 and 2 
~
4, 6 ~ 8 of solenoid resistor connector.
Resistance:  Approx. 6  at 20°C (68°F)
Check res

Page 2093 of 2543

TOYOTA SUPRA 1995  Service Repair Manual CIRCUIT DESCRIPTION
The IAC valve is situated on the intake air chamber In-
take air bypassing the throttle valve is directed to the
IAC valve through a passage.
A step motor is built into the IAC val

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TOYOTA SUPRA 1995  Service Repair Manual ± ENGINE2JZ±GTE ENGINE TROUBLESHOOTINGEG±587

Page 2095 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
(See page IN±30).
(See page EG±514).
Disconnect IAC valve connector.
Measure resistance between terminals shown be-
low.
Check IAC valve.
Check for open and short in harness and

Page 2096 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Turbo Control Circuit
CIRCUIT DESCRIPTION
[HINT]This turbocharger system has 3 control valves (Exhaust Bypass Valve, Exhaust Gas Control
Valve, Intake Air control Valve). Each valve is controlled by t