15-3
BATTERY/CHARGING SYSTEM
TROUBLESHOOTING
No power (Key turned on) Low power (Engine running)
● Dead battery. ● Battery undercharged.
-Low fluid level. ● Battery is failing.
-Low specific gravity. ● Charging system failure.
-Charging system failure.
● Disconnected battery cable.
Intermittent power
● Main fuse burned out. ● Loose battery connection.
● Faulty ignition switch. ● Loose charging system connection.
● Loose starting system connection.
Low power (Key turned on)
● Loose connection or short circuit in ignition system.
● Battery undercharged. ● Loose connection or short circuit in lighting system.
-Low fluid level.
-Low specific gravity.
Charging system failure
● Charging system failure. ● Loose, broken or shorted wire or connection.
● Loose battery connection. ● Faulty regulator rectifier.
● Faulty A.C generator.
CHARGING SYSTEM
Measure battery current leakage.(⇨15-5)
Check the regulator rectifier.(⇨15-7)
·Battery is failing
·Open circuit in wire harness.
·Poorly connected coupler.
·Shorted harness wire.
·Faulty ignition switch.
·Faulty regulator rectifier.
·Check the charging coil of theA.C
generator.(⇨15-7)
·Faulty regulator rectifier.
·Faulty battery.
Inspect the charging voltage.(⇨15-5)
Check the voltage between the battery line and
ground wire of regulator rectifier.(⇨15-6)
Check the resistance of the charging coil at
the charging coil line of regulator rectifier
coupler.(⇨15-6)
Check the regulator rectifier.(⇨15-7)
CORRECT
INCORRECT
INCORRECT
CORRECT
·
Poorly connected A.C generator coupler.
·Faulty charging coil.
ABNORMAL
NORMAL
ABNORMAL
INCORRECT
ABNORMAL
OVER 15V
14~15V
UNDER 14V
NORMAL
NORMAL
CORRECT
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