× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Is this a problem?
Posted to Technical Discussion Forum on 12/11/2013 10 Replies

I have a 3 volt difference between CMP power supply from the module and the voltage of CMP out put signal.

1987 Buick Century Limited, ECM/Inputs/Outputs Waveform

From what I have seen in the archives most of this vintage should have the same voltage as the... Login to read more.

Files Referenced:

thumbnail

10 Replies Received (View Replies)

 

car Vehicle Data

1987 Buick Century Limited 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1987 Buick Century Limited 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)