Page 454 - Manual Oficina Polaris RS1 2018 e 2019

ELECTRICAL

ELECTRICAL DIAGNOSTICS

ELECTRICAL SERVICE NOTES STATIC AND DYNAMIC TESTING
Keep the following notes in mind when diagnosing an There are many methods for testing a DC circuit. These
electrical problem. methods fall into one of two categories, either static or
dynamic.
• Refer to wiring diagram for stator and electrical
component resistance specifications. STATIC TESTING
• When measuring resistance of a component that has a The two most common forms of static testing are:
low resistance value (under 10 Ohms), remember to
subtract meter lead resistance from the reading. • Resistance testing (the Ohms setting on your DMM)
Connect leads together and record the resistance. The • Measuring voltage with the circuit open, such as when
resistance of the component is equal to tested value the harness connector is off a sensor you are testing.
minus the lead resistance. This is commonly referred to as measuring “Available
• Become familiar with the operation of your meter. Be Voltage”.
sure leads are in the proper jack for the test being
performed (i.e. 10A jack for current readings). Refer to These two tests will help you find the majority of electrical
the Owner’s Manual included with your meter. issues. If they do not, we must remember that static
• Voltage, amperage, and resistance values included in circuit testing does not take into account how current
this manual are obtained with a Fluke™ 77 Digital actually flows in that circuit. That is only accomplished
Multimeter (PV-43568). This meter is acceptable for with dynamic testing.
use when diagnosing electrical problems. Readings Before attempting dynamic testing (as it is intrusive on
obtained with other meters may differ. sealed connectors and damage could be done if not
• Pay attention to the prefix on the meter reading (K, M, careful), verify the following:
etc.) and the position of the decimal point.
• For resistance readings, isolate component to be • Static voltage testing advised for that circuit has been
tested. Disconnect wire harness or power supply. completed, and is in spec.
• All associated circuits have under 1 ohm of resistance
from end to end. Testing Continuity/Resistance, page
DIGITAL MULTI-METER (DMM) NOTES 11.8
• All associated circuits have no shorts to ground.
Polaris advises to only use a high quality DMM that Testing For A Short To Ground, page 11.8
meets the same standards as the Fluke™ 77 (PV-43568) • All associated circuits have no shorts to voltage.
for electrical testing. Testing For A Short To Voltage, page 11.9
Unless you are very familiar with Ohm’s Law, and have
complete information about the circuit you are trying to DYNAMIC TESTING
diagnose, test lights are likely to provide results that There are two types of dynamic testing we will advise to
would be misleading. This is especially true if any solid use when diagnosing electrical concerns:
state component is involved, where you will almost
certainly not have complete circuit information. • Current flow testing (Amperage) Testing Current Flow
(Amperage), page 11.10. Measuring Amperage is not
Polaris also specifically advises against the use of other a common practice, as you will not typically have a
circuit testing devices, including but not limited to: spec to compare your reading to. Also, many
• Short finders components on this machine flow over 10 Amps, which
• Simplified circuit testers will blow the majority of DMM fuses. The exception to
• Fuse piggy-back devices this is a parasitic draw test. Testing Parasitic Draw,
page 11.11
Testers beside a DMM will only work in one scenario, • Measuring voltage drop. Performing this test correctly
and slight variables can provide you with misleading will give you understanding of how electrical pressure
results. The testing practices described in this chapter (voltage) varies in a circuit as current is flowing.
are more certain and rely only on the DMM and your Testing Voltage Drop, page 11.11
knowledge.

11.6 9928689 - 2018 RZR RS1 Service Manual
© Copyright Polaris Industries Inc.