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2013 Honda Civic LX, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 4/12/2016

Current waveform of Air Fuel Sensor- note cycling at 27Hz- amplitude is higher when signal is further from zero (ie, pcm is commanding a richer mixture).

Captured with picoscope & uCurrent adapter

 

car Vehicle Data

2013 Honda Civic LX 1.8L

Engine1.8 L / 4 cyl / GAS
Trans5-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Good

car Vehicle Data

2013 Honda Civic LX 1.8L

Engine1.8 L / 4 cyl / GAS
Trans5-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Good