MerCruiser PCM-555 EFI
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3) When the advisory messages have been displayed you may select the cylinder
you wish to disable by using the
▲
and
▼
keys.
To begin the test press the TEST key. This action will command the PCM to
disable the fuel injector on the selected cylinder for approximately 10 sec-
onds. During this time you should hear a noticeable decrease in engine speed.
This decrease indicates that the selected cylinder was contributing power to
the system.
If a decrease in engine speed is not heard during the course of this test it may
indicate a problem with one or more cylinder components including the fuel
injector, ignition coil, spark plug, or other component. Refer to the engine
manufacturer’s troubleshooting procedures to isolate the problem compo-
nent.
•
To Abort the Induced Misfire Test at any time, press and hold the
scanner’s NO key.
4) After the test is complete you may return to step #3 to test another cylinder or
press the NO key to return to the scanner’s PCM Function menu.
Set Engine Location
This function allows the technician to read and modify the PCM’s engine
location setting. All engines shipped from the factory are configured as STAR-
BOARD. Multi-engine installations may require an alternate setting when used
within a Mercury/MerCruiser SmartCraft system. Refer to the engine and boat
manufacturer’s installation procedures for the correct setting.
Available PCM engine location settings are as follows:
STARBOARD
PORT
STARBRD 2 INSIDE
PORT 2 INSIDE
Perform the following steps to read and change the Engine Location.
• This test should be performed with Key-On and Engine Off.
1) Review the advisory message stated above prior to performing this function.
2) After selecting the “Set Engine Loc“ function from the PCM Functions menu
the scanner will automatically read and display the current Engine Location
setting. After displaying the setting you may choose to proceed to alter the
location setting by pressing the YES key. Use the
▲
and
▼
keys to scroll
through the available location settings.
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