Sea-doo 2005 4-Tec models User Manual

Section04ENGINEMANAGEMENT(15034-TEC)
Subsection 03 (COMPONENT INSPECTION, REPLACEMENT AND ADJUSTMENT)
Replacement
Disconnect EGTS connector and remove EGTS.
Apply Loctite 518 on threads of the EGTS then
install.
Replug connector.
KNOCK SENSOR (KS)
1
R1503motr174A
1. Knock sensor (KS)
Dynamic Test
Using the vehicle communication kit (VCK) with
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 the 1503
4-TEC ENGINE SHOP MANUAL.
Check the knock sensor resistance.
Disconnect the connector from knock sensor har-
ness.
Static Resistance Test
Using a multimeter, check the resistance between
both terminals on the knock sensor.
The resistance should be approximately 5 M
.
If resistance is not good, replace knock sensor.
If resistance is good, disconnect the ECM connec-
tor A from ECM.
smr2005-013-002_a
1. ECM “A” connector
2. Knock sensor connector (harness side)
Using a multimeter, check resistors inside har-
ness. Measure resistance values as per following
table.
NOTE: Only Supercharged Intercooled engines
have resistors in the harness. On other engines,
check the continuity of harness.
ECM “A”
CONNECTOR
KNOCK SENSOR
CONNECTOR
(HARNESS SIDE)
RESISTANCE
Pin A-9 Pin 1 1710 - 1890
Pin A-23 Pin 2 19000 - 21000
—
Pin1andpin2 1710 - 1890
Repair/replace resistor/harness/connector if resis-
tance measurement are not within values.
If harness is good, try a new ECM. Refer to ECM
AND MPEM in this section.
Replacement
Remove the intake manifold. Refer to INTAKE in
the 1503 4-TEC ENGINE SHOP MANUAL.
Unscrew and remove knock sensor.
Clean con
tact surface, apply Loctite 243 in thread-
ed hole
then install the new knock sensor.
Torque screw to 24 N•m(18lbf•ft).
smr2005-013 127
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Sea-doo 2005 4-Tec models Specifications

General

Displacement	1494 cc
Fuel Type	Unleaded gasoline
Engine Type	4-TEC
Cooling System	Closed-loop cooling
Seating Capacity	3
Width	48 inches (122 cm)
Fuel Capacity	15.9 US gallons