1995 TOYOTA SUPRA Service Repair Manual

Page 1945 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Check sub heated oxygen sensor heater.
Disconnect  sub heated oxygen sensor connector.
(See page EG±250)
Measure resistance between terminals 1 and 2 of
sub heated oxygen sensor connector.
Resistance

Page 1946 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC 31 Volume Air Flow Meter Circuit
CIRCUIT DESCRIPTION
As shown in the figure at right, when a pillar (Vortex
generating  body is placed in the path of a uniform
flow, vortices called Karman±Vortex

Page 1947 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
(See page EG±404)
Check voltage between terminals KS and E1 of engine control module
connector.
Connect  SST (check harness ªAº).
(See page EG±404)
SST 09990±01000
Measure vo

Page 1948 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Disconnect volume air flow meter connector and check voltage between
terminals KS and E1 of engine control module connector.
(1) Disconnect  the volume air flow meter connec±
tor.
(2) Turn ignition s

Page 1949 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC 35 Barometric Pressure Sensor Circuit
CIRCUIT DESCRIPTION
The BARO sensor is built into the ECM. This is a semiconductor pressure sensor with properties which cause
its electrical resistance to ch

Page 1950 of 2543

TOYOTA SUPRA 1995  Service Repair Manual DTC 41 Throttle Position Sensor Circuit
CIRCUIT DESCRIPTION
The throttle position sensor is mounted in the throttle
body and detects the throttle valve opening angle. When
the throttle valve is fully

Page 1951 of 2543

TOYOTA SUPRA 1995  Service Repair Manual INSPECTION PROCEDURE
HINT:
wIf diagnostic trouble code º22º (engine coolant temperature sensor circuit), º24º (intake air temperature
sensor circuit) and º41º (throttle position sensor circuit)

Page 1952 of 2543

TOYOTA SUPRA 1995  Service Repair Manual Check throttle position sensor
(1) Disconnect  throttle position sensor connector.
(2) Disconnect  the vacuum hose from the throttle
body, then apply vacuum to the throttle open±
er. (See page EG±21