Problems Causes Countermeasures
Starter motor
does not spin
Discharged battery Check battery and charge or renew
Defective stop light switch Check and renew
Defective key switch Check and renew
Defective starter motor connections
or loose battery connections
Check,clean and tighten connections
Faulty starter motor Inspect,repair,or renew
Defective master brake pedal Inspect and try to push brake pedal
Faulty reverse or forward pedal Inspect ,adjust neutral
Defective push switch Check and renew
Defective controller Check and renew
Engine cranks
slowly
Discharged battery Check battery and charge or renew
Excessive resistance in starter
circuit
Check circuit connections and repair or
renew faulty wiring
Defective starter motor Refer to the engine manual
Tight engine Refer to the engine manual
4. STARTING SYSTEM
10-18
Problems Causes Countermeasures
Battery is low
in charge or
discharge
Loose or worn alternator drive belt Check and adjust belt tension or renew
Defective battery:It will not accept
or hold charge.Electrolyte level is
low
Check condition of battery and renew
Excessive resistance due to loose
charging system connections
Check,clean,and tighten circuit
connections
Defective alternator Check and repair or renew
Alternator is
charging at
high rate
(Battery is
overheating)
Defective battery Check condition of battery and renew
Defective Alternator Check and repair or renew
No output
from alternator
Alternator drive belt is broken Renew and tension correctly
Loose connection or broken cable in
charge system
Inspect system,tighten connections and
repair or renew faulty wiring
Defective voltage regulator Check and renew
Defective alternator Check and repair or renew
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