- Тип техники
- Бренд
Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 245
Section 05 ENGINE MANAGEMENT (POWER TEK)
Subsection 03 (COMPONENT INSPECTION, REPLACEMENT AND ADJUSTMENT)
A33C5GA
1
1. Activate here
Disconnect 8-pin connector of the steering har-
ness.
A33C56A
2
1
1. Dashboard
2. 8-pin connector
Measure resistance at connector between pins
HG-5 and HG-8. The reading should change from
infinitely high to 0
when pressing start/RER but-
ton.
If resistance test fails, check wires continuity up
to start/RER switch. If resistance is good, replace
switch.
Measure voltage between pin HG-5 and battery
ground (engine ground on manual start models).
If it reads 12 V, disconnect ECM connector and
check ground circuit between HG-8 and DA-8. If
it tests good, try a new ECM.
If it does not read 12 V, check supply circuit wires
at HG-5 going back to battery (voltage regulator on
manual start models).
RER Operation
When RER works erratically or engine stalls, do
the following.
– Check both trigger coils and corresponding
wiring. Refer to TESTING PROCEDURES
– Check engine compression. A low compres-
sion engine may result in engine stall making
you think the problem is an electronic problem.
– Check piston condition. Remove exhaust sys-
tem and reed valves on intake side. Verify pis-
ton condition through the intake and exhaust
ports. Look for scoring on piston skirts. Scored
piston skirts may result in RER working errati-
cally making you think the problem is an elec-
tronic problem.
When it does not work at all, check start/RER
switch as explained above.
DIGITALLY ENCODED SECURITY
SYSTEM (DESS)
If 2 short beeps are not heard when starting the
engine, test beeper operation.
Connect vehicle communication kit (VCK) and use
B.U.D.S. software.
Energize Buzzer from Activation tab.
A33C5HA
If beeper properly works, refer to DIAGNOSTIC
PROCEDURES.
The following continuity tests can also be per-
formed using an ohmmeter.
Disconnect DESS switch wires.
228 mmr2005-107
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