1989-Mitsu-Factory Manual · fuel system · страница 14 из 53 · Открыть оригинал PDF ↗
(2) Loosen the speed adjusting screw No. 1 and No. 2
sufficiently to close the throttle valve completely.
Record the number of turns loosened.
NOTE
1. Turning the screw counterclockwise closes the valve.
2. At this time, the fast idle control should have been
released (the lever not resting on the fast idle cam).
(3) Disconnct the carburetor connectors.
(4) Connect the special tool (test harness) between the
disconnected connectors.
(5) Connect a voltmeter between terminal Q (red: sensor
output) and @ (blue: sensor ground) of the carburetor’s
connectors.
Caution
Use a good, finely calibrated digital type voltmeter.
~;~OTE
Connection of FBC connector and special tool’s terminal is
as follows:
FBC connector Special tool
Terminal 0 (sensor output) and Terminal Red
Terminal @ (sensor ground) and Terminal Blue
(6) Turn the ignition switch to ON (Don’t start the engine).
(7) Measure the voltage of the throttle position sensor output.
Standard value : 0.250 V
(8) If it is out of specification, loosen the throttle position
sensor attaching screw and adjust by turning the throttle
position sensor to the standard value.
NOTE
Turning the throttle position sensor clockwise increase the
output voltage.
(9) Turn the ignition switch-to OFF.
(lO)Tighten the SASI and SAM for the amount recorded in
step (2). (Return to the original position.)
(11)Remove the voltmeter and the special tool and connect
the carburetor’s connectors.
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