Tohatsu MFS 30 [289/319] State 1 ptt will not operate

Tohatsu MFS 30 [289/319] State 1 ptt will not operate
9
9-17
25/30 2006
NO
Closed?
NO
YES
NO
NO
NO
YES
YES
YES
NO
YES
Operating
noise heard?
Check operation of PTT motor.
Check that manual valve
is closed.
Check battery and fuse.
Check electrical conductivity
of PTT switch.
Normal?
Repair or replace
defective parts.
Check electrical conductivity
of PTT solenoid.
Conductive?
Conductive?
Conductive?
Replace PTT switch.
Replace PTT solenoid.
Disassemble PTT motor
to check.
Close manual valve.
Repair or replace
defective parts.
YES
Go to next page.
Check wire harness between
battery, PTT solenoid and
PTT switch.
3.PTT Unit
State 1 PTT will not operate.
MFS25_30_ch09.qxd 06.3.9 5:02 PM ページ 17

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