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Model UT107: OPERATING MANUAL
The testing method is similar to that of the resistance of
an ignition coil.
Cut the electric link off the injector. (Refer to the
servicing handbooks of various kinds of automotive
manuals for the detailed position.)
Connect the red and black test lead probes to the
two ends of the injector. The general normal
resistance is less than or equal to 10 .
[1]
[2]
J. Engine Sensor Testing (see figure 21)
(figure 21)
Red
Black
To be adapted to the provisions for low injection and fuel
saving in the early period of the eighties, the computer-
controlled regulators were installed in the automobile
and the sensors provided the computer with some data
required. The Meter is an effective tool for the detection
of the operation of a sensor.
Long Fuel
Short Fuel
Ground
If the sensor has a 1- or 3-lead outlet,
the ground terminal is its shell.
If the sensor has a 2- or 4-lead outlet,
the ground terminal is its special wiring.
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