Engine Electrical System

1) The engine is not running or running slowly during starting
Item Operation procedure
Inspection
results
Follow-up procedure
Yes Proceed to next step
1
Inspect with multimeter to see whether there
is a voltage of about 10-12.5V between two
battery terminals.
No
Repair or replace the
battery
Yes Proceed to next step.
2
Turn the ignition switch to “ON” position.
Inspect with multimeter to see whether there
is a voltage of about 10-12.5V between the
terminals connecting the ignition switch and
the positive grid of the battery.
No
Repair the terminal
or replace the
conducting wire
Yes Proceed to next step.
3
Keep the ignition switch at the startup
position and inspect with multimeter to see
whether that there is a voltage of more than
8V between the terminals connecting the
ignition switch and the starting motor
magnetic clutch.
No
Repair or replace the
ignition switch
Yes
Repair or replace the
starting motor 4
Inspect with multimeter to see whether the
starting motor has any open or short-circuit.
No Proceed to next step.
Yes Fix the malfunction
5
Verify that the engine is jammed due to
poor lubricating.
No Proceed to next step.
Yes
Replace with
appropriate
lubricating oil
6
In case of winter season, inspect to see
whether there is too much friction in the
starting motor due to the improper selection
of engine lubricating oil and gearbox oil.
No Inspect other items
E-63
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