Cam Position Sensor Failure Control; Battery Disconnection Warning - Yamaha WaveRunner FX SHO Service Manual

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Technical tips

Cam position sensor failure control

The cam position sensor failure control is activated under the following conditions.
• If the cam position sensor failed.
• If the engine speed exceeds about 1,000 r/min.
• If the above conditions are maintained for 10 seconds.
Meter & buzzer: No indication or buzzer sounds.
ECM: The opening angle of the ETV is regulated and the engine speed is limited to 3,500–3,800
r/min.
If the engine speed exceeds 5,000 r/min, the ECM cuts the ignition and fuel injection.
Cancel: The engine is turned off.

Battery disconnection warning

The ETV failure control is activated when a battery cable is disconnected during normal operation.
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