1995 TOYOTA SUPRA Service Repair Manual

Page 1577 of 2543

TOYOTA SUPRA 1995  Service Repair Manual MAS AIR FLOW (MAF) METER
COMPONENTS FOR REMOVAL AND
INSTALLATION
MAF METER REMOVAL
Installation is in the reverse order of removal.
1.  REMOVE NO.1 AIR HOSE
2.  REMOVE AIR CLEANER HOSE
3.  REMOVE MAF

Page 1578 of 2543

TOYOTA SUPRA 1995  Service Repair Manual MAF METER INSPECTION
1.  INSPECT MAF METER RESISTANCE
Using an ohmmeter, measure the resistance between termi-
nals THA and E2.
 
 
Between
terminals 
 

Page 1579 of 2543

TOYOTA SUPRA 1995  Service Repair Manual THROTTLE BODY
ON±VEHICLE INSPECTION
Throttle Body
INSPECT THROTTLE BODY
(a)  Check that the throttle linkage moves smoothly.
(b)  Check the vacuum at the purge port.
wStart the engine.
wCheck the vac

Page 1580 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Throttle Opener
1.  WARM UP ENGINE
Allow the engine to warm up to normal operating tempera-
ture.
2.  CHECK IDLE SPEED
Idle speed (Transmission in neutral position):
650 + 50 rpm
3.  CHECK THROTTLE OP

Page 1581 of 2543

TOYOTA SUPRA 1995  Service Repair Manual THROTTLE BODY REMOVAL
Installation is in the reverse order of removal.
1.  DRAIN ENGINE COOLANT
2.  REMOVE THROTTLE BODY
(a)  Disconnect  the hose, cables and connectors from the throttle
body:
(1) Ai

Page 1582 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Throttle Position Sensor
1.  INSPECT THROTTLE POSITION SENSOR
(a)  Disconnect  the throttle opener vacuum hose from the throttle
body.
(b)  Apply vacuum to the throttle opener.
(c)  Insert a 0.54 mm (

Page 1583 of 2543

TOYOTA SUPRA 1995  Service Repair Manual (d)  Gradually turn the sensor clockwise until the ohmmeter
deflects,  and secure it with the 2 set screws.
(e)  Recheck the continuity between terminals IDL and E2.
 
 

Page 1584 of 2543

TOYOTA SUPRA 1995  Service Repair Manual 3.  INSPECT SUB±THROTTLE VALVE
Check that there is no clearance between the throttle stop
screw and throttle valve gear when the subthrottle valve is ful-
ly closed.
4.  INSPECT SUB±THROTTLE POSITIO