Mitsubishi 1992 3000GT, Service Manual

Page: 162 / 1308

MULTIPORT FUEL INJECTION On-vehicle Service
Engine
speed
adjusting
(2) Insert a in.)-thick feeler gauge between
the fixed SAS and throttle lever.
(3) If the MUT-II is used, turn the ignition switch to ON position.
(Do not start the engine.)
(4) Loosen the throttle position sensor mounting bolts and
turn the throttle position sensor body fully counterclock-
wise.
(5) In this condition, check that the idle switch is ON (continuity
exists between terminals (3) and (4)).
(6) Slowly turn the throttle position sensor clockwise until
the idle switch is turned OFF (continuity between terminals
(3) and (4) disappears). Then, tighten the throttle position
sensor mounting bolt securely.
(7) If not using the scan tool, proceed as follows:
a. Disconnect the throttle position sensor connectors
and connect the special tool, Test Harness Set, be-
tween the disconnected connectors.
b. Connect a digital voltmeter between the throttle posi-
tion sensor terminal (2). (sensor output) and terminal
(4) (sensor ground).
c. Turn the ignition switch ON (but do not start the
e n g i n e ) .
(8) Check the throttle position sensor output voltage.
Standard value:
(9) If the voltage is out of specification, check the throttle
position sensor and associated harnesses.
(lO)Remove the feeler gauge.
(ll)Turn the ignition switch OFF.
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