VL1500K5 (’05-MODEL) 21
• When disconnecting and connecting the ECM couplers, make
sure to turn OFF the ignition switch, or electronic parts may
get damaged.
• Battery connection in reverse polarity is strictly prohibited.
Such a wrong connection will damage the components of the
FI system instantly when reverse power is applied.
• Removing any battery terminal of a running engine is strictly
prohibited.
The moment such removal is made, damaging counter elec-
tromotive force will be applied to the ECM which may result in
serious damage.
• Before measuring voltage at each terminal, check to make
sure that battery voltage is 11 V or higher. Terminal voltage
check with a low voltage battery will lead to erroneous diagno-
sis.
• Never connect any tester (voltmeter, ohmmeter, or whatever)
to the ECM when its coupler is disconnected. Otherwise,
damage to the ECM may result.
• Never connect an ohmmeter to the ECM with its coupler con-
nected. If attempted, damage to the ECM or sensors may
result.
• Be sure to use a specified voltmeter/ohmmeter. Otherwise,
accurate measurements may not be obtained and personal
injury may result.
Ignition S/W
INCORRECT
V
SAMPLE
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