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Never used. Sold the boat so never got around to messing with it.
Compatible with MEFI-1 thru MEFI-4 marine EFI systems, the CodeMate marine Engine Control Module (ECM) continually checks the integrity of its sensors and controls. When a problem is detected, a Diagnostic Trouble Code (DTC) is set and retained in the ECM's computer memory. These stored trouble codes are intended to assist a service technician in diagnosing engine and control system problems. The CodeMate Tester tool provides the technician with three separate diagnostic functions. It can be used as a system Malfunction Indicator Lamp (MIL); a trouble code display & erase tool; and a base spark timing tool.
Compatible with MEFI-1 thru MEFI-4 marine EFI systems, the CodeMate marine Engine Control Module (ECM) continually checks the integrity of its sensors and controls. When a problem is detected, a Diagnostic Trouble Code (DTC) is set and retained in the ECM's computer memory. These stored trouble codes are intended to assist a service technician in diagnosing engine and control system problems. The CodeMate Tester tool provides the technician with three separate diagnostic functions. It can be used as a system Malfunction Indicator Lamp (MIL); a trouble code display & erase tool; and a base spark timing tool.