Charging System; Current Draw - Key Off; Charging System "Break Even" Test - Polaris 2012 RANGER RZR 570 INTL Service Manual

CHARGING SYSTEM

Current Draw - Key Off

CAUTION
Do not connect or disconnect the battery cable
or ammeter with the engi ne running. Damage will
occur to electrical components.
Connect an ammeter in se ries with the negative battery
cable. Check for current draw with the key off. If the draw
is excess ive, loads should b e disconn ected fr om the
system one b y on e un til the d raw is eliminated. Ch eck
component wir ing as well as th e comp onent fo r p artial
shorts to ground to eliminate the draw.
Current Draw Inspection
Key Off
Current Draw - Key Off:
Maximum of .01 DCA (10 mA)

Charging System "Break Even" Test

The "break even" point of the charging system is the point
at which the alternator overcomes all system loads (lights,
etc.) and be gins to cha rge the batter y. De pending on
battery condition and system load, t he break even point
may vary slightly. Th e batter y shou ld be fully ch arged
before performing this test.
1. Using an inductive amperage metering device, (set to
2. With engine off, k ey switch and lights in the on
3. Shift transmission into park and start the engine. With
4. Increase engine RPM while observing ammeter and
5. With lights and other electrical loads off, the "b reak
6. With the eng ine run ning, tu rn th e ligh ts on and
7. Repeat te st, ob serving a mmeter and tachometer.
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.
CAUTION
Do not allow the battery cables to become
disconnected with the e ngine running. Follow the
steps below as outlined to reduce the chance of
damage to electrical components.
WARNING
Never start the engine with an ammeter
connected in series. Damage to the meter or
meter fuse will result.
Do not run test for extended period of time.
Do not run test with high amperage accessories.
DC amps) connect to the negative battery cable.
position, the am meter sh ould re ad ne gative a mps
(battery discharge).
the engine running at idle, observe meter readings.
tachometer. Note the RPM at which the battery starts
to charge (ammeter indication is positive).
even" point should occur at approximately 1500 RPM
or lower.
depress the brake pedal to keep brake lights on.
With lights on, charging should occur at or below 2000
RPM.
ELECTRICAL
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