Engine Sensor Testing - UNI-T UT106 Operating Manual

Model UT106: OPERATING MANUAL
The testing method is similar to that of the resistance of
an ignition coil.
[1]
Cut the electric link off the injector. (Refer to the
servicing handbooks of various kinds of automotive
manuals for the detailed position.)
[2]
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 .
J. Engine Sensor Testing (see figure 19)
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
Red
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.
(figure 19)
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