Mitsubishi 3000GT Service Manual page 206

HARNESS INSPECTION
A Harness side
connector
MULTIPORT On-Vehicle Inspection of MFI
FUEL INJECTION - Components
Measure the power supply volt-
age of the closed throttle position
switch.
Connector: Disconnected
l
Ignition switch: ON
l
4 V or more
Check for continuity of the ground
circuit.
SENSOR INSPECTION
(1) With the accelerator pedal released, check to be sure
that the throttle valve lever or the fixed SAS is pushed.
NOTE
If it is not pushed, adjust the fixed SAS (Refer to P.l3A-59.)
(2) Disconnect the throttle position sensor connector.
(3) Check the continuity across the throttle position sensor
connector terminal (4) (Sensor ground) and (3) (Closed
throttle position switch).
Accelerator pedal
NOTE
If there is no continuity when the accelerator pedal is returned,
loosen the throttle-position sensor installation screw; then,
after turning all the way in the counterclockwise direction,
check again.
(4) Replace the throttle-position sensor (closed throttle posi-
tion switch incorporated) if there is a malfunction,
NOTE
For the closed throttle position switch and throttle position
sensor adjusting procedure, refer to P.l3A-57.
TSB ReviSion
3
Depressed
Released
2
Repair the
harness.
Repair the
harness.
Continuity
Non-conductive (- 8)
Conductive (0 52)