Charging System Inspection; Current Leakage Test; Charging Voltage Inspection - Honda GL1800 Service Manual

CHARGING SYSTEM INSPECTION

CURRENT LEAKAGE TEST

Remove the left side cover (page 2-5).
Turn the ignition switch to "OFF," and disconnect
the negative (–) cable from the battery.
Connect the ammeter (+) probe to the negative (–)
cable and the ammeter (–) probe to the battery (–)
terminal.
With the ignition switch turned to "OFF," check for
current leakage.
• When measuring current using a tester, set it to a
high range, and then bring the range down to an
appropriate level. Current flow higher than the
range selected may blow the fuse in the tester.
• While measuring current, do not turn the ignition
switch to "ON." A sudden surge of current may
blow the fuse in the tester.
SPECIFIED CURRENT LEAKAGE: 5 mA maximum
If current leakage exceeds the specified value, a
shorted circuit is the probable cause.
Locate the short by disconnecting connections one
by one and measuring the current.

CHARGING VOLTAGE INSPECTION

• Make sure the battery is in good condition before
performing this test.
Remove the left side cover (page 2-5).
Start the engine and warm it up to the operating
Do not disconnect
temperature; then stop the engine.
the battery or any
Connect the multimeter between the positive and
cable in the
negative terminals of the battery.
charging system
without first switch-
ing off the ignition
• To prevent a short, make absolutely certain
switch. Failure to
which are the positive and negative terminals or
follow this precau-
cable.
tion can damage
the tester or electri-
With the headlight on high beam, restart the engine.
cal components.
Measure the voltage on the multimeter when the
engine runs at 2,000 rpm.
STANDARD:
Measured battery voltage (page 17-6) < Mea-
sured charging voltage (page 17-9) < 15.5 V
BATTERY/CHARGING SYSTEM
17-9