Component Inspections - BOMBARDIER Johnson 90 Service Manual

ENGINE CONTROL SYSTEM
INSPECTION
NOTEt:
Disconnect remate control wire harness, and connect tester
probe to terminal A (Gray wire).
Component lnspections
FUEL PUMP 3 SEC. OPERATING SOUND
Turn ignition switch ON and check for fuel pump operating
sound.
Fuel pump operating sound: Sounds for approx. 3
seconds only
NOTE:
Fue/ pump operating sound is low because pump is in fue/
vapor separator. lf you cannot hear pump sound clearly, use
a sound scope or long blade screw driver.
FUEL INJECTOR OPERATING SOUND (CRANKING)
1. Touch a sound scope or long blade screw driver to fuel
injector body as shown.
2. Crank engine and check for injector operating sound.
lnjector operating sound: "Click"
FUEL INJECTOR OPERATING SOUND (INDIVIDUAL)
1. Disconnect fuel injector wire, and connect the test cord.
1TÍ&.1
5034229: lnjector test cord A
2. Connect Gray wire to body ground.
3. Momentarily touch Black/Yellow wire to starter motor
magnetic switch "B" terminal (connected to battery post­
tive
(±)
terminal), and check for injector operating sound.
lnjector operating sound: "Click"
IACAUTION
1
Connecting fuel injector to battery positive for more than
a few seconds may cause injector overheating and pos­
sible injectpr solenoid failure.
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