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ELECTRICALS
20. TROUBLESHOOTING GUIDELINES
PRECAUTIONS
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Check fuses.
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Check the battery for damage, state of
charge and clean and tight connections.
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Check the alternator belt tension.
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Make sure connectors are clean and have
no loose terminals.
Connection and disconnection of connectors
should be done carefully.
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All the connections are equipped with push
down type locks. Unlock them first before
disconnecting the connector.
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On the connectors install on the bracket a
pull type lock is equipped with push down
type locks, unlock them first before
disconnecting the connector.
Some connectors of this type can not be
disconnected unless they are removed from
their brackets. When disconnecting, check
their shapes.
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On the bracket mounted connector with dual
locks, remove the connector from the bracket
before disconnecting.
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When disconnecting locks, first press in the
connection tightly (to provide clearance to the
locking device), then operate the tab fully and
remove the connector.
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When disconnecting a connector, pull it off
from the mating connector by holding on both
connectors.
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Never try to disconnect connectors by pulling
on their wires.
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Place the plastic cover over the mating
connector after reconnecting. Also check that
the cover is not distorted.
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Before connecting connectors check to see
that the terminals are in place and not bent
or distorted.
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Check for loose retainer and rubber seals.
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Insert the connector tightly and make sure it
is securely locked.
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Check all the wiring harnesses are
connected.
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There are two types of locking tab one that
you have to push and the other you should
not touch when connecting the connector.
Check the shape of the locking tab before
connecting.
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The locking tab having a taper end should
not be touched when connecting.
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Insert connectors fully until they will no longer
go.
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The connectors must be aligned and engaged
securely.
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Do not use wiring harnesses with a loose
wire or connector.
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Before connecting check each connector
cover for damage. Also make sure that the
female connector is tight and not loosened
from the previous use.
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Secure wires and wire harness to the frame
with their respective cable ties at the
designated locations.
Position the wiring in the bands so that only
the insulated surfaces contact the wires or
harnesses.
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After clamping, check each harness to be
certain that it is not interfering with any
moving or sliding parts of the vehicle.
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Always keep a safe distance between wire
harnesses and any heated parts.
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Do not bring wire harnesses in direct contact
with sharp edges or corners.
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Also avoid contact with the projected ends
of bolts, screws and other fasteners.
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The harnesses such a way that they are not
pulled or slackened excessively.
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Protect wires and harnesses with a tape or
a tube if they are in contact with a sharp
edge or corner.
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Clean the attaching surface thoroughly if an
adhesive is used. First wipe with solvent or
alcohol if necessary.
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Seat grommets in their grooves properly.
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Do not damage the insulation when
connecting a wire.