1998 · FUEL [13] · страница 88 из 104 · Открыть оригинал PDF ↗
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13-88 FUEL SYSTEM <6G72-SOHC 24Valve Engine, 6G74-SOHC 24Valve Enginez
Operation Check
Remove the throttle body:
Remove the stepper motor:
(3) Connect the special tool (test harness) to the idle speed
control servo connector;
Connect the positiveterminal ofa power supply
(approx6 V) to the white clip and the green clip:
With the idle speed control servo as shown in the
illustration, connect the negative C terminal ofthepower
supply to each clip as described in the following steps,
and check whether or not a vibrating feeling (a feeling of
very slight vibration of the stepper motor) is generated as
a result of the activation of the stepper motor:
Connect the negativeterminal of the power supply
to the red and black clip.
Connect the negativeterminal of the power supply
to the blue and black clip.
Connect the negativeterminal of the power supply
to the blue and yellow clip
Connect the negativeterminal of the power supply
to the red and yellow clip.
Connect the negativeterminal of the power supply
to the red and black clip.
Repeat the tests in sequence fromto 0
(6) If, asa result of these tests, vibration is detected, the
stepper motor can be considered to be normal.
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