1995 TOYOTA SUPRA Service Repair Manual

Page 1609 of 2543

TOYOTA SUPRA 1995  Service Repair Manual (See page EG±788)
(See page EG±788)
Warm up the oxygen sensor with the engine
at 2,500 rpm for approx. 120 seconds.
Connect terminals TE1 and E1 of the data link connector 1.
And maintain engine spe

Page 1610 of 2543

TOYOTA SUPRA 1995  Service Repair Manual 3. INSPECT HEATER RESISTANCE OF MAIN HEATED
OXYGEN SENSOR
(a)  Disconnect the oxygen sensor connector.
(b)  Using an ohmmeter, measure the resistance between the
terminals +B and HT.
Resistance:
At 20

Page 1611 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Sub Heated Oxygen Sensor
COMPONENTS FOR REMOVAL AND
INSTALLATION
± ENGINESFI SYSTEM  (2JZ±GTE)EG±321

Page 1612 of 2543

TOYOTA SUPRA 1995  Service Repair Manual OXYGEN SENSOR INSPECTION
1.  INSPECT OPERATION OF SUB HEATED OXYGEN
SENSOR
(See circuit inspection in Engine Troubleshooting)
2. INSPECT HEATER RESISTANCE OF SUB HEATED
OXYGEN SENSOR
(a)  Remove the d

Page 1613 of 2543

TOYOTA SUPRA 1995  Service Repair Manual FUEL PUMP ECU
COMPONENTS FOR REMOVAL AND
INSTALLATION
FUEL PUMP ECU INSPECTION
1.  REMOVE FUEL PUMP ECU
2.  INSPECT FUEL PUMP ECU
(See circuit inspection in Engine Troubleshooting)
3.  REINSTALL FUEL

Page 1614 of 2543

TOYOTA SUPRA 1995  Service Repair Manual ENGINE CONTROL MODULE (ECM)
COMPONENTS FOR REMOVAL AND
INSTALLATION
EG±324± ENGINESFI SYSTEM (2JZ±GTE)

Page 1615 of 2543

TOYOTA SUPRA 1995  Service Repair Manual ECM INSPECTION
1.  DISCONNECT NEGATIVE (±) TERMINAL CABLE FROM
BATTERY
2.  REMOVE SCUFF PLATE
3.  REMOVE ECM PROTECTOR
(a)  Take out the front side of the floor carpet.
(b)  Remove the 2 nuts and ECM

Page 1616 of 2543

TOYOTA SUPRA 1995  Service Repair Manual FUEL CUT RPM
FUEL CUT RPM INSPECTION
1.  WARM UP ENGINE
Allow the engine to warm up to normal operating tempera-
ture.
2. CONNECT TACHOMETER TO ENGINE
Connect  the tester probe of a tachometer to term