If they appear damaged or deteriorated, replace them.

Balancer Adjustment
Torque LimiterCheck 3-5: Warning Indicator Light (Red LED) (Oil Pressure Warning)
Inspection
Connect the leads in the same circuit as Check 3-2.
Connect the terminal [10] to the battery (–) terminal.
Check that the oil pressure warning symbol [A] and the
warning indicator light (Red LED) [B] go on.
If the indicator light does not go on, replace the meter unit.
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Precautions
There are a number of important precautions that are
musts when servicing electrical systems. Learn and observe
all the rules below.
Do not reverse the battery cable connections. This will
burn out the diodes on the electrical parts.
Always check battery condition before condemning other
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What if I am not Satisfied With My Warranty Service?
If you aren’t satisfied with your dealership’s repair work or operations, it
is best to
discuss the situation with the appropriate dealership manager. If you have
already
done this, then contact the dealership’s owner or general manager to request a
review of the issue.
If you are un ...