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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 294
Section07ELECTRICALSYSTEM
Subsection 01 (IGNITION SYSTEM)
In most cases when problems are caused by tem-
perature or vibrations, these can only be solved by
replacing parts. Most problems cannot be detect-
ed when the engine is stopped.
• Multiple Problems
As a matter of fact, more that one component can
be defective. As a result, if the problem remains
although a part was replaced, start over the whole
verification from the beginning in order to identify
the other defective component.
Spark Testing
During this operation, it is important to use the
snowmobile spark plug and not a new one. Bring
theplugincontactwiththeengine. Pullrewind
starter. If no spark is produced, replace the spark
plug with a new one and do the test again.
For more information on spark plug condition, re-
fer to SPARK PLUG further in this section.
Electrical Connector
Make sure that none of the connectors are discon-
nected.
Ignition Switch or Start/RER Button
Refer to STARTING SYSTEM.
DESS Post or Tether Cut-Out Switch
DESS Post
Liquid-Cooled Engines
DESS POST
TEST Open circuit Continuity
TEST
PROBES
BLACK/WHITE and
BLACK/GREEN wires
BLACK/WHITE and
BLACK/GREEN wires
RESISTANCE O.L. 00.0 to 00.5
VOLTAGE — —
NOTE DESS key removed DESS key installed
If readings do not correspond to the above men-
tioned indications, replace post.
If none of these verifications are conclusive, the
problem finds its source in the main wiring har-
ness. Do the following.
NOTE: For the next step, no switch must be con-
nected to the main wiring harness.
Disconnect all switches from the main wiring har-
ness and check the continuity of each wire by con-
necting probes to the end of wires of the same
color. Repeat with all other wires. It is impor-
tant to mention that all wires of the same color
within a given harness are connected together.
These wires should therefore have a closed cir-
cuit. On the other hand, BLACK and BLACK/YEL-
LOW wires must have an open circuit (0.L M
).
Repair or replace if necessary.
Tether Cut-Out Switch
Fan-Cooled Engines
TETHER CUT-OUT SWITCH
TEST Open circuit Continuity
TEST
PROBES
BLACK/YELLOW and
BLACK wires
BLACK/YELLOW and
BLACK wires
RESISTANCE O.L. 00.0 to 00.5
VOLTAGE — —
NOTE
Engine cut-out switch must
be in RUN position
Engine cut-out switch must
be in STOP position
If readings do not correspond to the above men-
tioned indications, replace switch.
If none of these verifications are conclusive, the
problem finds its source in the main wiring har-
ness. Do the following.
NOTE: For the next step, no switch must be con-
nected to the main wiring harness.
Disconnect all switches from the main wiring har-
ness and check the continuity of each wire by con-
necting probes to the end of wires of the same
color. Repeat with all other wires. It is impor-
tant to mention that all wires of the same color
within a given harness are connected together.
These wires should therefore have a closed cir-
cuit. On the other hand, BLACK and BLACK/YEL-
LOW wires must have an open circuit (0.L M
).
Repair or replace if necessary.
Engine Cut-Out Switch
Check the condition of engine cut-out switch.
280 mmr2005-082
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