Troubleshooting - Yamaha F50A Service Manual

BRKT

Troubleshooting

Before troubleshooting the power trim and tilt unit, check that all electrical connections are tight and
free from corrosion, and that the battery is fully charged to 12 V.
Symptom: Power trim and tilt unit does not operate.
Listen for the operation sound
of the power trim and tilt relay.
Can the oper-
ation sound
be heard?
Yes
Listen for the operation sound
of the power trim and tilt motor.
Can the oper-
ation sound
be heard?
Yes
Check that the manual release
plug is closed.
Is it closed?
Yes
Check the power trim and tilt
fluid level.
At specified
level?
Yes
Disassemble the power trim and
tilt unit, and then check it.
7-1
Bracket unit
Check the voltage between each terminal.
No
• Between the sky blue (Sb) lead and black (B) lead.
• Between the light green (Lg) lead and black (B) lead.
Replace the power trim and tilt
relay.
Check the voltage between the
No
sky blue (Sb) lead and black (B)
lead.
Check the power trim and tilt
motor.
No
Close the plug.
No
Add fluid to the correct level.
Can 12 V be
obtained?
Yes
Can 12 V be
obtained?
Yes
Check for continuity
No
between the battery,
relay, and switch.
No Replace the power
trim and tilt relay.
7
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