Yanmar 6LY3 series Service Manual page 299

Troubleshooting by Symptom
12/05
Trouble symptom
The pinion gear meshes, but
the starting motor does not
rotate. (continued)
The starting motor does not rotate
and the engine cannot start.
(continued)
6LY3 Service Manual
Causes
The battery voltage is too low
(faulty charging).
Internal engine failure.
The control lever is not in the
NEUTRAL position.
Starter Interlock
Emergency stop switch is
pressed.
Crank speed sensor detects
overspeed (P0219).
Camshaft speed sensor
detects overspeed (P0219).
A disconnect and / or
short-circuit error (P0335
and P0340) of both speed
sensors are detected.
A disconnect and / or
short-circuit error (P1210) of
a rack actuator is detected.
A rack movement error
(P1211) is detected.
A battery cable is not
connected.
© 2007 Yanmar Marine International
TROUBLESHOOTING
Corrective action
Check the wiring between
the alternator and the
battery.
Check the V-belt tension.
Check the alternator.
Disassemble and inspect.
Repair or replace.
Shift the lever to NEUTRAL
position.
Turn off the emergency stop. See Remote Control
Connect the cables.
Remarks
See Alternator Wiring
Diagram on page 11-8.
See Check the V-Belt
Tension on page 4-25.
See Alternator on page 11-1.
See Disassembling the
Engine and Components on
page 5-6.
See Remote Control
Electronic Control System
(ECS) on page 12-20.
Electronic Control System
(ECS) on page 12-20.
DTC: See Troubleshooting
Fuses, Relays and
Harnesses on page 13-21.
DTC: See Troubleshooting
Fuses, Relays and
Harnesses on page 13-21.
DTC: See Troubleshooting
Fuses, Relays and
Harnesses on page 13-21.
DTC: See Troubleshooting
Fuses, Relays and
Harnesses on page 13-21.
DTC: See Troubleshooting
Fuses, Relays and
Harnesses on page 13-21.
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