Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The battery is discharged or battery voltage is low	Corroded terminal(s) Loose connection(s) High key-off current drain(s) Battery Generator	Go to PINPOINT TEST A .




The charging system warning indicator is on with the engine running (the charging system voltage does not increase)	Circuitry Voltage regulator Generator	Go to PINPOINT TEST B .


The charging system overcharges (battery voltage is greater than 15.5 volts)	Circuitry Voltage regulator Generator	Go to PINPOINT TEST C .


The charging system warning indicator is on with the engine running and the battery increases voltage	Circuitry Instrument cluster Voltage regulator Generator	Go to PINPOINT TEST D .



The charging system warning indicator is off with the ignition switch in the RUN position and the engine off	Bulb Circuitry Instrument cluster Voltage regulator Generator	Go to PINPOINT TEST E .




The charging system warning indicator flickers or is intermittent	Fuse(s) Circuitry Corroded terminal(s) Voltage regulator Generator	Go to PINPOINT TEST F .




The generator is noisy	Bolts or brackets Drive belt Generator or pulley	Go to PINPOINT TEST G .


Radio interference	Generator Circuitry In-vehicle entertainment system	Go to PINPOINT TEST H .