BOMBARDIER SEA-DOO GTX RFI 5666 1998 Manual page 27

Section 04 FUEL SYSTEM
Subsection 02 (FUEL INJECTION)
NOTE: As an alternate method, the resistance of
the throttle position sensor can also be checked
through the connector no. 4 of the MPEM follow-
ing this procedure.
Disconnect the AMP plug connector no. 4 on the
MPEM.
Disconnect the connector of the throttle position
sensor.
Using a multimeter, check the resistance of the
PURPLE/BROWN wire between the AMP plug
connector (position 3) and the throttle position
sensor connector (terminal 1).
Check the resistance of the BLACK/BROWN wire
between the AMP plug connector (position 4) and
the throttle position sensor connector (terminal 2).
Check also the resistance of the WHITE/BROWN
wire between the AMP plug connector (position
11) and the throttle position sensor connector
(terminal 3).
If there is an open circuit, repair the defective wire
or terminal. If not, proceed as follows to test the
throttle position sensor.
Connect the throttle position sensor connector.
Check the resistance between the PURPLE/BROWN
wire (position 3) and the BLACK/BROWN wire (posi-
tion 4) in the AMP plug connector no. 4. Deduct the
total resistance value of the wires.
The resistance should be between 1.6 kΩ and
2.4 kΩ.
Check the resistance between the BLACK/BROWN
wire (position 4) and the WHITE/BROWN wire (posi-
tion 11) in the AMP plug connector no. 4. Deduct the
total resistance value of the wires.
If not within specification, replace the throttle po-
sition sensor.
If the sensor test good, check the voltage between
the PURPLE/BROWN wire and the BLACK/BROWN
wire.
Depress the start/stop button with the safety lan-
yard removed to activate the timer. There should
be 5 Vdc.
04-02-10
Crankshaft Position Sensor (CPS)
Check the resistance of the crankshaft position
sensor.
1
F07H0CA
1. Crankshaft position sensor (CPS)
Disconnect the connector of the crankshaft posi-
tion sensor.
Using a multimeter, check the resistance be-
tween both terminals.
The resistance should be between 774 Ω and
946 Ω at temperature above 20°C (68°F).
If not within specification, replace the crankshaft
position sensor.
Air Temperature Sensor (ATS)
Check the air temperature sensor resistance.
1
F07F0FA
1. Air temperature sensor (ATS)