Using Testers - HYOSUNG Aquila GT250 Ej Service Manual

EI SYSTEM DIAGNOSIS 4-1-4
Never connect an ohmmeter to the ECU with its
coupler connected. If attempted, damage to ECU
or sensors may result.
Be sure to use a specified voltmeter / ohmmeter.
Otherwise, accurate measurements may not be
obtained and personal injury may result.

USING TESTERS

Use well-charged batteries in the tester.
Be sure to set the tester to the correct testing
range.
USING THE TESTER
Incorrectly connecting the and probes may
cause the inside of the tester to burnout.
If the voltage and current are not known, make
measurements using the highest range.
After using the tester, turn the power off.
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