Ski-Doo Ski Doo MX Z 2005 [1201/1429] Ignition coils
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Ski-Doo Ski Doo MX Z 2005 [1201/1429] Ignition coils

Ski-Doo Ski Doo MX Z 2005 [1201/1429] Ignition coils
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
R1004motr150B
10
If wiring harness is good, try a new ECM. Refer
to ECM REPLACEMENT procedures elsewhere in
this section.
Otherwise, repair the connector or replace the
wiring harness between ECM connector and OPS.
IGNITION COILS
R1004motr169A
1
1. Ignition coil
NOTE: The ECM energizes the primary side of
each ignition coil individually. A trouble code will
appear if the ECM can not energize the ignition
coils.
Using the vehicle communication kit (VCK) with
the B.U.D.S. software, energize the ignition coil
from the Activation section.
You should hear the spark occurring. In doubt, use
an inductive spark tester or a sealed tester - avail-
able from after-market tool/equipment suppliers -
to prevent spark occurring in the engine compart-
ment. Otherwise, perform the following checks.
An ignition coil with good resistance measure-
ment can still be faulty. Voltage leak can occur
at high voltage level which is not detectable with
an ohmmeter. Replacing the ignition coil may be
necessary as a test.
WARNING
Never make a spark test with spark plug re-
moved. Flammable vapors may be present
in the engine compartment and ignited which
could cause an explosion.
Voltage Test
WARNING
When disconnecting coil from spark plug, al-
ways disconnect coil from main harness first.
Never check for engine ignition spark from
an open coil and/or spark plug in the engine
compartment as spark may cause fuel vapor
to ignite.
Disconnect the plug connector from the ignition
coil and check the voltage supplied by the battery.
R1503motr196A
2
1
Install tether cord cap and connect the VCK (Vehi-
cle Communication Kit) to activate the system.
Check voltage between terminal 2 of ignition
coil connector on the wiring harness and battery
ground.
The voltage should be 12 V.
If 12 V is NOT read, check continuity between ter-
minal 2 of ignition coil and the corresponding fuse.
Otherwise, repair wiring harness.
If 12 V is read, disconnect the connector A from
the ECM and check the continuity of appropriate
circuit 41 (cylinder 1) or 1 (cylinder 2).
mmr2005-032 337

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