1997 - 2000 DFI ECM
Page 32
Oil Pump Output Test
is test will cause the ECM to energize the oil pump. Upon executing this test
the technician should listen for oil pump mechanical activity. e oil pump will
be activated for a period of ve seconds.
• This test should be performed with Key-On and Engine Off.
1) Review the advisory message stated above and be sure the engine is not run-
ning when attempting to perform this test.
2) Aer selecting the “Oil Pump Test“ test from the Output Tests menu the scan-
ner will prompt you to begin the test. To initiate the test press the TEST key.
e oil pump relay will be activated for approximately one second.
3) You may repeat the test by pressing the YES key or press the NO key to return
to the Output Tests menu.
Main Power Relay Output Test
is test will cause the ECM to energize the engine’s main power relay. Upon
executing this test the technician should listen for relay mechanical activity. e
main power relay will be momentarily activated.
• This test should be performed with Key-On and Engine Off.
1) Review the advisory message stated above and be sure the engine is not run-
ning when attempting to perform this test.
2) Aer selecting the “Main Power Relay“ test from the Output Tests menu the
scanner will prompt you to begin the test. To initiate the test press the TEST
key. e main power relay will be momentarily activated.
3) You may repeat the test by pressing the YES key or press the NO key to return
to the Output Tests menu.
Induced Misre Test
e Induced Misre Test is designed to assist a technician in nding a problem-
atic cylinder. is test commands the ECM module to disable the fuel injector on
a selected cylinder thereby causing that cylinder to misre (not produce power).
Perform the following steps to conduct the induced misre test.
• Do not attempt to drive the boat while performing this test.
• Follow all engine and boat manufacturer’s safety precautions and
stay clear of all moving engine components.
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