Microcontroller Fault - Mercury MerCruiser D2.8L D-Tronic Service Manual

EDI DIAGNOSIS

Microcontroller Fault

Scan Code:
Blink Code:
Malfunction Indicator Lamp:
CIRCUIT DESCRIPTION:
As part of self-diagnosis the ECM is capable of determining if failures have occurred to
circuits within the ECM. If defects exists the ECM sets this code.
DIAGNOSTIC HELP:
Verify the following:
•
Replace the ECM.
Recognition by the ECM of Microprocessor Fault influences engine performance as follows:
•
No loss of power.
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SERVICE MANUAL NUMBER 22
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90-860074--1 FEBRUARY 2002
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