Using Testers - HYOSUNG 2010 ST7 Service Manual

● Never connect an ohmmeter to the ECU with its cou-
pler connected. If attempted, damage to the 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
cause the inside of the tester to burnout.
● If the voltage and current are not known, make mea-
surements using the highest range.
● After using the tester, turn the power off.
and probes may
EI SYSTEM DIAGNOSIS 4-4