Intermittent Short Sound Of Warning Buzzer Keeps Sounding - Honda BF135A Manual

• INTERMITTENT SHORT SOUND OF WARNING BUZZER KEEPS SOUNDING

Stop the engine. Check the water separa-
tor and the low pressure fuel strainer.
Is the water accumulated in the water sep-
arator and/or low pressure fuel strainer?
NO
Disconnect the water level sensor 2P con-
nector.
Does the buzzer stop sounding with the
ignition switch turned ON?
NO
Check for short in the water level sensor
line.
1 Turn the ignition switch OFF.
2 Check for continuity between the No. 2
(Green/Red) terminal of the water level
switch harness side 2P connector and
the engine ground.
Water level switch
harness side
2P connector
Viewing from
terminal side
Is there continuity?
NO
Substitute a known-good ECM and
recheck.
2-38
YES
YES
YES
BF135A•BF150A
Drain the water from the water separator
and/or the low pressure fuel strainer (P. 3-15).
Replace the water level sensor in the water
separator.
Replace or repair the wire harness (Short in
the wire between the water level sensor and
ECM).