TROUBLESHOOTING
SECTION 7
Page 98 CMD-4081877 / 90-865861040 MARCH 2004
0102 changed to CMD and EDI not EFI
Diagnosing Electronically Controlled Fuel System Problems
Your authorized Cummins MerCruiser Diesel dealer / distributor has the proper service tools
for diagnosing problems on electronically controlled fuel systems. The Electronic Control
Module (ECM) on these engines has the ability to detect some problems with the system
when they occur, and store a Trouble Code in the ECM’s memory. This code can then be
read later by a service technician using a special diagnostic tool.
CE516
Troubleshooting Charts
Starter Motor Will Not Crank Engine, Or Cranks Slow
Possible Cause Remedy
Battery switch turned off. Turn switch on.
Remote control not in neutral position. Position control lever in neutral.
Open circuit breaker or blown fuse. Check and reset circuit breaker or replace
fuse.
Loose or dirty electrical connections or
damaged wiring.
Check all electrical connections and wires
(especially battery cables). Clean and
tighten faulty connection.
Bad battery. Test and replace if bad.
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