TOHATSU BFT115A Service Manual page 256

FUEL SYSTEM
WATER LEVEL SENSOR INSPECTION
Remove the water separator (page 5-99).
Check that the float (1) of the water level sensor moves
up and down smoothly with the separator cup removed.
Check for continuity between the water level sensor 2P
connector
• There should be no continuity when the sensor is
level (the float is down).
• There should be continuity when the sensor is
upside down (the float is up).
If the water level sensor is faulty, replace the water
separator.
Install the water separator (page 5-99).
IAC VALVE INSPECTION
Remove the IAC valve (page 5-114).
Check for carbon deposits on the IAC valve hole (1)
and filter (2).
If the IAC valve is dirty, clean the IAC valve hole and
filter.
Measure the resistance between the IAC valve side
No.1 terminal and No.2 terminal of the IAC valve 2P
connector
Resistance: 10.6 – 12.6 Ω (at 20 °C/68 °F)
If the resistance is not as specified, replace the IAC
valve.
Install the IAC valve (page 5-114).
5-138
(2) terminals in each float position.
21
(1).
26
(1)
(1)
(1)
(2)
(2)