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2) Troubleshooting for Alternator
Item
Overcharged battery
Discharged battery
Charge warning lamp
does not come on
when turning on ignition
switch with engine
stopped
Charge warning lamp
does not go off after
starting engine
Cause
Defective alternator voltage
regulator
defective alternator detection wiring
Loose alternator drive belt
Poor connection of related circuit
or open circuit
Defective alternator voltage
regulator
Terminated battery
Defective ground
Defective alternator voltage
regulator
Open circuit in charge warning
lamp, fuse or wiring
Defective ignition switch
Defective ground of alternator
circuit
Defective alternator voltage
regulator
Corroded or worn battery cable
Loose alternator drive belt
Defective wiring harness
0000-00
Action
Replace
Repair or replace
Adjust the belt tension or replace
Retighten the loose connection or
repair open circuit
Replace
Replace
Repair
Replace
Replace or repair the charge
warning lamp or fuse
Replace
Repair
Replace
Repair or replace
Adjust the belt tension or replace
the belt
Repair or replace
09-5
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