Self-Diagnosis - Yamaha WaveRunner FX140 Service Manual

Waverunner fx140

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Table of Contents

TROUBLE ANALYSIS

Self-diagnosis

With the engine running, press the hour meter/

voltmeter display select switch 1 and the

speedometer display switch 2 for 8 seconds

and check if an error code is indicated on the

multifunction meter.

Incorrect pulser coil signal

Incorrect engine temperature

sensor signal

Incorrect throttle position sensor

Incorrect battery voltage

Incorrect intake air temperature

sensor signal

Incorrect cam position sensor

Incorrect intake air pressure sensor

Incorrect oil pressure sensor signal

Incorrect slant detection switch

Incorrect data transmission

If the Yamaha Diagnostic System is not used

to check the symptoms listed in the table, the

error codes can be checked easily with the

self-diagnosis in the multifunction meter. How-

ever, if there are numerous error codes dis-

played, be sure to check them with the

Yamaha Diagnostic System.