11/WIRING HARNESS, BATTERY
86
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Close the cover of the fuse box.
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Install the front cover. (
15.8
Checking the battery voltage
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Turn the key in the ignition switch to the position .
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Remove the rear fender. (
600405-01
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Connect the measuring leads of the multimeter to the battery terminals.
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Measure the voltage while unloaded (no electrical consumer is switched on).
Battery voltage
unloaded:
12.4… 12.8 V
» If the displayed value does not meet specifications:
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Recharge the battery.
15.9
Checking the charging voltage
Condition
All plug-in contacts must be free of corrosion and firmly connected.
The battery must be ready to start but should not be fully charged. If the battery is fully
charged, start a number of times.
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Remove the rear fender. (
600405-01
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Connect the multimeter. The black measuring lead is connected to the negative
terminal (ground) of the battery. Connect the red measuring lead to the positive
terminal.
–
Measurement while loaded (light switched on, brakes activated)
Charging voltage
under load at: 5,000 rpm
13.5… 15 V
» If the value displayed does not meet specifications:
–
Check the alternator. (
» If the alternator is working properly:
–
Change the voltage regulator.
15.10
Checking the quiescent current
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Switch off all power consumers and switch off the engine.
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Remove the rear fender. (
600404-01
–
Disconnect the negative (minus) cable of the battery.
–
Connect the multimeter between the negative cable and negative terminal of the
battery. Check the quiescent current.
Maximum quiescent current
< 1 mA
» If the measured value exceeds the specified value:
–
Check the plug-in connections and wiring harness.
–
To identify the power consumer, disconnect and reconnect the power con-
sumers from the wiring harness one by one while observing the quiescent
current.
Info
The power consumers in question may be a faulty voltage regula-
tor/rectifier or creepage current in the plug-in connectors.
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