M-JET DIAGNOSTIC · YAMAHA

Yamaha WaveRunner Engine Warning Lit

An engine warning lights up on the display and, depending on the model, it beeps as well. The display only says something is wrong, not what. M-JET DIAGNOSTIC reads the stored reason from the control unit.

How to find the reason

  • Secure the craft and switch the engine off
  • Plug in the dongle, connect the app, read the fault memory
  • Read the plain text and check steps
  • Fix the cause, clear the memory, test ride

Not every warning is an emergency

A warning can come from a sensor that only drops out now and then, from low battery voltage or from a temperature value outside the limits. On serious problems the control unit reduces engine power to protect the engine. If the craft warns of overheating or too low oil pressure, do not ride on; shut the engine off and look for the cause. When in doubt, a specialist workshop decides.

Related topics

Everything runs via app over Bluetooth, for Yamaha WaveRunners from model year 2002 to today. Learn more about the M-JET DIAGNOSTIC for Yamaha WaveRunner.

You also ride a Sea-Doo or Can-Am? The M-JET DIAGNOSTIC is available for BRP vehicles too.

To the M-JET DIAGNOSTIC for BRP ›