Ski-Doo Ski Doo MX Z 2005 [1202/1429] Engine start switch verification
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Ski-Doo Ski Doo MX Z 2005 [1202/1429] Engine start switch verification

Ski-Doo Ski Doo MX Z 2005 [1202/1429] Engine start switch verification
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
R1004motr150C
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41
ECM CONNECTOR
If wiring harness is defective, repair the connector
or replace the wiring harness between ECM con-
nector and the ignition coil.
If wiring harness is good, test resistance of prima-
ry and secondary winding of ignition coil.
Resistance Test
CAUTION: Do not remove the ignition coil be-
fore disconnecting the connector, or the wires
may be damaged. To avoid damage, do not
pry up ignition coil with a screwdriver.
Remove ignition coil from spark plug.
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R1503motr197A
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1
1. Spark plug terminal
Using a multimeter, check the resistance in both
primary and secondary windings.
For primary winding check the resistance be-
tweenpin1andpin2oftheignitioncoil.
The resistance should be between 0.85 and 1.15
at 20°C(68°F).
For secondary winding check the resistance be-
tweenpin1andsparkplugterminal.
The resistance should be between 9.2 and 13.8 k
at 20°C(68°F).
If the resistance of one of both windings is not
good, replace the defective ignition coil.
If the windings test good, check corresponding
fuse, relay and wiring. If good, try a new engine
ECM.
NOTE: Prior to inserting the ignition coil to its lo-
cation, apply some silicone lubricant (P/N 293 600
041) around the seal area that touches the spark
plug hole. After installation, ensure the seal seats
properly with engine top surface.
WARNING
Always reconnect ignition coil cables at the
same spark plugs where they come from.
Otherwise, severe backfire may occur with
possible damage to exhaust system com-
ponents. The genuine wiring harness is
designed to prevent mixing up the cables
since they are different in length.
ENGINE START SWITCH
VERIFICATION
If the ECM fails to wake-up or engine fails to start
while depressing start button check battery volt-
age and fuses F1 and F8. Connect supply cable
(P/N 529 035 869) to wake-up the ECM.
529 035 869
NOTE: Make sure the engine cut-out switch is not
in operation.
A quick operation test can be done using the ve-
hicle communication kit (VCK) with the B.U.D.S.
software, using the Monitoring section. Press
the start button and look at the start button LED.
It should turn on, indicating the starting system
is working on the input side of the starting sys-
tem (start button, ECM and wiring). If so, you
know now the problem is on the output side of
the starting system (ECM output signal to start-
ing solenoid, wiring harness going to the solenoid
and starter motor. Refer to STARTING SYSTEM
for testing procedures). Otherwise, check the in-
put side as follows.
338 mmr2005-032

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