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1994 Chevrolet Lumina, CKP Sensor, IC Circuit Waveform
Posted to the Waveform Library on 4/6/2004

This is the DREF signal from the ICM going to the PCM from a new AC Delco module. The car runs, but I don't like the looks of this signal.

 

car Vehicle Data

1994 Chevrolet Lumina Euro 3.1L

Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Good

car Vehicle Data

1994 Chevrolet Lumina Euro 3.1L

Engine3.1 L / 6 cyl / GAS
Trans4-speed AutomaticTransaxle (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component,
ConditionKnown Good