Troubleshooting - TOHATSU MD 70-90C2 Service Manual

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Troubleshooting

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1. Troubleshooting
Note: This information is applicable also to 40B/50B and 70B/90B.
This troubleshooting information covers malfunctions and abnormalities of electrical parts which are warned of
by the buzzer and warning lamp.
For the operations of the buzzer and warning lamp, refer to "Warning Indication List".
Symptom
1-1.
1-2.
1.
1-3.
tarter motor
will not rotate
or is slow.
1-4.
1-5.
2-1.
Power head
2.
2-2.
Engine can be
Fuel system
cranked but will
not start.
FFP(*1) : Fuel Feed Pump
9-2
Item
hift
Battery
Fuse
Wiring
Electrical components
Fuel tank
Fuel tank
Fuel filter
Fuel pressure is low.
Normal value range:
0.67 - 0.78 MPa
(97.17 - 113.13psi)
[6.7 - 7.8kg/cm ]
2
Warning
indicator A
Self-
(Oil level)
diagnosable
eep
( )
○
○
Flashing
○
Warning Warning
lamp lamp C
(Water temp.) ( attery volt.)
Flashing
Flashing Flashing
TLDI 75/90C2 2010