TOHATSU TLDI 40 Service Manual page 155

Symptom
6-1.
Power head
6-2.
Air system
6.
No
6-3.
acceleration
Fuel system
at full throttle
6-4.
Electrical
system
7.
Engine
accelerates, 7-1.
boat speed Outboard
engine
does not
increase
8.
Unable to
8-1.
turn off
Electrical
engine with
system
main switch
Item
Faulty compression
Low air pressure in air rail
High air pressure in air rail
Fuel tank
Fuel Hose
Fuel filter
Low air pressure in air rail
[normal value: 0.6 to 0.64 MPa]
87 to 93 psi
Spark plugs
Air injector
Self-diagnosing function
indicates faulty components.
Propeller
Installation
Boat
Main switch
Stop switch
Ground line
9-10
Self-
Warning
diagnosable
indicator
Beeps
points
A (oil)
Warning Warning
indicator B indicator
(water temp) C (battery)