9850064 R03 - 2021 650 / 850 Matryx Trail Performance / Crossover Snowmobile Service Manual
© Copyright Polaris Inc.
1.79
For a video demonstration, scan the QR code below, or
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TESTING FOR A SHORT TO VOLTAGE
There are three possible short to voltage causes:
1. Internal electronic component short.
2. Harness chaffing leading to contact of the circuit
being diagnosed to one with B+ or a different
reference voltage.
3. Moisture in a connector or component.
TESTING PROCEDURE
1. Consult the wiring diagram. Determine which circuit
you will be testing.
2. Ensure that any static voltage checks advised in
relation to the DTC or concern you are diagnosing
have been performed and are in spec.
3. Ensure you have checked continuity of the circuit.
Testing Continuity / Resistance page 1.78
4. Ensure you have checked for a short to ground.
Testing For A Short To Ground page 1.78
5. Ensure that neither end of the circuit is connected.
6. Set your DMM to DC volts.
7. Connect one meter lead securely to the battery
negative post.
8. Connect the other lead to either end of the
disconnected circuit. Ensure you are using the correct
adapter.Connector Probing Guidelines page 1.77
9. If there is voltage present, the harness is damaged
and should be repaired or replaced. You may need to
remove the protective tape and tubing to inspect.
10. If the DMM reads 0 volts, the concern may be in a
component related to the circuit. If so, checking
internal continuity of non-electronic components may
reveal the concern, but diagnosis at this point may
require using known good parts.
For a video demonstration, scan the QR code below, or
right click it and select “open in new tab”.