Page 84 - Manual_Polaris_RZR_ProXP-20-21
P. 84

GENERAL INFORMATION

                CURRENT DRAW - KEY OFF                               7. Wait 10 minutes before checking the value. Vehicles
                Parasitic draw is when there is excessive current flow  will vary, but electronic components will take time to
                with the key off.                                       fully go to sleep after switched power is removed.
                While the most common causes of draws are improperly  8. Maximum allowable is 10 milliamps. If your meter is
                installed accessories (tapping into un-switched B+      ranged to the 10 Amp scale, this will appear as 0.010
                instead of switched) there can be electronic component  Amps.
                failures that can cause this as well.
                                                                                    Current Draw - Key Off:
                                   IMPORTANT                                     Maximum of .01 DCA (10 mA)
                   Do not connect or disconnect the battery cable, or
                 ammeter with the engine running. Damage will occur to  9. If over 10 milliamps, go to the fuse block and start
                               electrical components.                   systematically removing one fuse at a time until the
                                                                        value drops, indicating the circuit that requires
                                                                        attention.
                                   IMPORTANT
                   Charging system damage will occur if incompatible
                 components are installed. Always reference the Polaris  TESTING VOLTAGE DROP
                  Electronic Parts Catalog for the proper part numbers.
                                                                                           NOTICE
                                     NOTICE                               If you disconnect the connector at the load, and
                                                                        measure voltage with one lead on the power supply
                 Wait ten minutes with the key off for the ECU to power   wire, and one to ground, you will be measuring
                   down. This will avoid a faulty readout while testing  available voltage. This is a static test and not dynamic
                                  amperage draw.
                                                                         voltage drop testing. Refer to Static and Dynamic
                                                                                      Testing page 1.73.
                TESTING PROCEDURE
                1. Remove the negative cable from the battery.       The measurement of voltage is the DIFFERENCE in
                                                                     electrical pressure between the two points your DMM
                2. Connect a jumper from the negative battery cable  leads are touching.
                   terminal to the negative battery post.
                                                                     Most circuits will have one load. The load is the
                3. Ensure your meter leads and selector dial are set to  component in the circuit that uses the current flow to do
                   measure amperage.                                 work, such as move a solenoid or light a bulb.
                4. Connect your red lead to the battery negative cable  Voltage coming into the load should be near battery
                   terminal.                                         voltage with current flowing. There will be some loss from
                                                                     moving through electrical contacts in connectors and
                                                                     relays, but it will be minimal.

                                                                                           NOTICE
                                                                        You will need to backprobe to perform this test. For
                                                                       information about doing this safely, refer to Connector
                                                                                 Probing Guidelines page 1.74.


                                                                     Voltage should be near fully depleted by the load. This
                                                                     means that when measuring on the ground side of the
                                                                     circuit, immediately after the load, back to battery
                                                                     negative, you should have near zero pressure difference
                                                                     (voltage).
                                                                     If you do have a difference in pressure, this means there
                                                                     is something adding resistance to the circuit such as
                5. Connect your black lead to the battery negative post.  corrosion.
                6. Momentarily key the ignition switch on, then off.

                                   IMPORTANT
                  Ensure all electrical components are switched off, or
                    damage to your jumper and/or meter will occur.



                1.78                                                       9930583 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
                                                                                                © Copyright Polaris Industries Inc.
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