Ski-Doo Ski Doo SUMMIT 2005 [1189/1429] Ecm replacement

Ski-Doo Ski Doo SUMMIT 2005 [1189/1429] Ecm replacement
Section 06 ENGINE MANAGEMENT (4-TEC)
Subsection 03 (COMPONENT INSPECTION AND ADJUSTMENT)
A-33
R1004motr150A
A-15
ECM CONNECTOR
COMPONENT CONTACT LOCATION
Fuel injector cylinder 1
1 (engine connector)
and A-15
(ECM connector)
Fuel injector cylinder 2
2 (engine connector)
and A-33
(ECM connector)
The resistance should be between 13.8 and
15.2
.
If resistance value is correct, check wiring of cor-
responding relay. If good, try a new ECM. Refer
to ECM REPLACEMENT procedures elsewhere in
this section.
If resistance value is incorrect, repair the wiring
harness/connectors or replace the wiring harness
between ECM plug connector and fuel injector.
Fuel Injector Replacement
Removal
Before removing the injector, the fuel rail has to
be removed from the engine. Refer to REMOVAL
in FUEL RAIL REPLACEMENT for the procedure.
1
R1004motr151A
1
2
2
3
FUEL RAIL ASSY
1. Fuel rail
2. Fuel injector
3. O-ring
The fuel injector can be easily pulled out of the fuel
rail.
Installation
For the installation, reverse the removal proce-
dure. Pay attention to the following details.
Install new O-rings, if you reinstall a used injec-
tor then insert the fuel injector in place with your
hand. Do not use any tool.
NOTE: A thin film of engine oil should be applied
to O-rings to ease insertion in rail.
Tightening torque of the rail retaining screws is
10 Nm(89lbfin).
WARNING
Perform a fuel pressure test and ensure that
thereisnoleak. RefertoFUELPUMPabove.
Run engine and check for leaks.
ELECTRONIC MANAGEMENT
ECM REPLACEMENT
General
Prior to replacing a possibly faulty ECM, ensure
that all the recommendations in the general intro-
duction of this section have been carried out.
mmr2005-032 325

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