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Shift Cutoff Control Notes If the shift switch is activated with the engine operating under 2000 rpm, the ECU causes one or two cylinders to misfire in order to facilitate shifting. The ECU causes cylinders #1 and #2, or #4 and #5 to misfire when the engine speed is over 850 rpm, and cylinder #1 or #4 to misfire when the engine speed is under 850 rpm. Neutral Switch Sends a signal to the ECM indicating in gear or neutral. When the outboard is in neutral, the switch is closed. When the switch is in the closed position, the ECM will limit the engine speed to less than 4500 rpm as described in the over-revolution control. Oil Pressure Sensor Monitors engine oil pressure. Sends signals to the ECM which activates ignition/injection cut-off/warning for low oil pressure. _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ a- Neutral start switch connector b- Shift cut switch connector c- Oil pressure switch _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ 90-898313 February 2005 3-77
