Yanmar 3TNV82A-B Service Manual page 380

ELECTRONIC CONTROL SYSTEM
CAUTION
Do not energize the starter for a period
of longer than 15 seconds.
Take a pause of at least 30 seconds
between energization of the starter.
Otherwise the starter could suffer
damage.
CAUTION
• High-pressure washing not
recommended.
• Avoid using high-pressure washing for
electronic or electric devices installed
in, on or around the engine, including
the E-ECU, relays and harness
couplers.
Otherwise such devices may suffer
malfunction due to water ingress into
them.
13-4
• Do not plug or unplug the E-ECU for a
period of at least 6 seconds after
power to the unit has been turned on
or off.
• Do not touch connector pins of the E-
ECU with bare hands.
Doing so may result in corrosion of the
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connector pins and/or damage to the
internal circuits of the E-ECU due to
static electricity.
• Do not force a measuring probe into
the female coupler.
Doing so may cause contact failure of
the connector pins, resulting in
malfunction of the E-ECU.
• Take care to prevent water from
entering the couplers when plugging
or unplugging the connector.
Water inside the couplers may cause
corrosion, resulting in malfunction of
the E-ECU.
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• Avoid plugging/unplugging the
connector more than approx. 10 times.
Frequent plugging/unplugging of the
connector may cause contact failure of
the connector pins, resulting in
malfunction of the E-ECU.
• Do not use the E-ECU that has ever
suffered drop impact.
Always check the battery for proper
charge.
Otherwise the electronically controlled
engines may fail to start.
Before You Begin Servicing
CAUTION
CAUTION
TNV DI Service Manual
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