2001 Chevrolet Impala, ECM/Inputs/Outputs Waveform - iATN

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2001 Chevrolet Impala, ECM/Inputs/Outputs Waveform

Posted to the Waveform Library on 11/15/2000

Class II datastream waveform, engine idling, accessories on.

Vehicle Data

2001 Chevrolet Impala 3800CC

Engine	3800 / 6 cyl
Subsystem	ECM/Inputs/Outputs
Component	Other
Condition	Known Good

References

TECH: U1000, Circuit location
TECH: U1016 and others, 2001 Cavalier
TECH: Serial data.
THEORY: Why you need a scope and good scan tool. Data bus problems
THEORY: GM class 2 data question

Vehicle Data

2001 Chevrolet Impala 3800CC

Engine	3800 / 6 cyl
Subsystem	ECM/Inputs/Outputs
Component	Other
Condition	Known Good

References

TECH: U1000, Circuit location
TECH: U1016 and others, 2001 Cavalier
TECH: Serial data.
THEORY: Why you need a scope and good scan tool. Data bus problems
THEORY: GM class 2 data question