ELECTRICAL PARTS INSPECTION
1. Always disconnect the battery plug before inspecting or servicing electrical parts.
2.
Pay sufficient attention when handling electronic parts.
(1) Never subject electronic parts, such as computers and
relays, to impact.
(2)
Never expose electronic parts to high temperature or
humidity.
(3) Do not touch connector terminals, as they may be
deformed or damaged due to static electricity.
3.
Use a circuit tester that matches the object and purpose of measurement.
Analog type: This type is convenient for observing movement during operation and the operating condition. The
measured value should be used only for reference or rough judgement.
Digital type: A fairly accurate reading is possible. However, it may be difficult to observe variation or movement.
(1) Difference between results of measurement with analog and digital types
The results of measurements using the analog type and the digital type may be different.
Use the circuit tester according to its instruction manual.
Differences between the polarities of the analog type and the digital type are described below.
Forward Reverse
I
Forward Reverse
(a) Analog circuit tester
Example of measurement result
Tester range:
kR
range
Forward direction: Continuity
11
kR
Reverse direction: No continuity
a,
(b) Digital circuit tester
Example of measurement result
Tester range:
2
MR
range
Forward direction: Continuity
2
MR
Reverse direction: No continuity
1
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