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2005 Mazda 3 S, BATT/Charging/Starting Waveform
Posted to the Waveform Library on 1/14/2015

Yellow is field command from the PCM, green is feedback from the alternator to the PCM. During this capture, the alternator is not charging and the battery warning light is on.

The command signal is OK, shows good control from the PCM. The feedback signal SHO...

 

car Vehicle Data

2005 Mazda 3 S 2.3L

Engine2.3 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad

car Vehicle Data

2005 Mazda 3 S 2.3L

Engine2.3 L / 4 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemBATT/Charging/Starting
Component
ConditionKnown Bad