Sea-doo GTX Limited iS 255 2009, Shop Manual

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Section 04 FUEL SYSTEM
Subsection 02 (ELECTRONIC FUEL INJECTION (EFI))
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If resistance value is correct, check ECM. Refer to
ENGINE CONTROL MODULE (ECM)
in this sec-
tion.
If resistance value is incorrect, repair the connec-
tor or replace the wiring harness between ECM
connector and the EGTS.
EGTS Replacement
Remove the LH rear storage basket.
Disconnect the exhaust hose from muffler.
Unplug the EGTS connector.
Unscrew EGTS from muffler.
Apply
LOCTITE 518 (P/N 293 800 038)
on the middle
threads of EGTS.
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1. Apply Loctite 518 in this area
Install the EGTS.
Tighten the sensor to 16 N•m (142 lbf• in ).
Plug the EGTS connector.
Install all other removed parts.
KNOCK SENSOR (KS)
1
R1503motr174A
1. Knock sensor (KS)
KS Dynamic Test
Using the B.U.D.S. software, monitor the knock
sensor using the
Faults section.
Start the engine and bring engine RPM above
5000 RPM. If no fault code occurs, the knock
sensor is good.
Otherwise, do the following.
Ensure sensor and cylinder head contact surfaces
are clean and mounting bolt and washer are cor-
rect and properly torqued down.
NOTE: It is necessary to remove intake manifold
to inspect contact surfaces. Refer to INTAKE
MANIFOLD AND INTERCOOLER section.
Check the knock sensor resistance.
KS Resistance Test
To gain access to the KS, remove the required
parts as described in
KS REPLACEMENT.
Disconnect the connector from knock sensor har-
ness.
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