Power Trim And Tilt Will Not Operate; Steer-By-Wire System Will Not Operate - Yamaha F400A Owner's Manual

 ETV: Electric throttle valve
 DI: Direct injection
 ECU: Engine control unit
 STRG: Steering
 PTT: Power trim and tilt
If a fuse has blown, replace the fuse accord-
ing to the following procedure.
(1) Turn the main switch to the "
position.
(2) Remove the fuse box cover.
(3) If the fuse is secured using screws, re-
move the screws, and then remove the
fuse. Install a spare fuse of the proper
amperage, and then tighten the screws.
1. Screw
2. Fuse
(4) If the fuse is not secured using screws,
remove the fuse using the fuse puller. In-
stall a spare fuse of the proper amper-
age.
1
1. Fuse puller
" (off)
1
2
Trouble Recovery
Consult your Yamaha dealer if the new fuse
immediately blows again.
EMU29529

Power trim and tilt will not operate

EWM02331
Never get under the engine while it is tilt-
ed. Severe injury could occur if the out-
board motor accidentally falls.
If the outboard motor cannot be tilted
up/down using the power trim and tilt unit,
e.g. because of a discharged battery or a fail-
ure with the unit itself, the outboard motor
can be tilted manually.
(1) Stop the engine.
(2) Loosen the manual valve screw by turn-
ing it counterclockwise until it stops.
1
1. Manual valve screw
(3) Adjust the outboard motor to a navigable
angle, tighten the manual valve screw
clockwise, and secure the outboard mo-
tor.
EMU47560

Steer-by-wire system will not operate

If the steer-by-wire system does not operate,
the outboard motor can be steered manually.
To steer the outboard motor manually
(1) Remove the clamp bracket cover by re-
moving the bolts.
93