× 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
1994 Chevrolet S10 4.3L No Start, ecm, no communicatio
Posted to GM Driveability on 9/22/2008 3 Replies

I have put on a new fuel pump, delphi. New ecm. I can not get my snap on scanner or teck 2 to communicate with the ecm. At aldl, the "a" terminal has battery ground of 12.5 volts with key off. When u turn key on, "B" terminal has not the required 5 volts. The ...

3 Replies Received (View Replies)

  Related Documents & Media  1994 Chevrolet S10

 
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet S10

VIN 1GCCS14ZXR
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
Emissionsobd1
SymptomsNo Start, ECM, No Communicatio
OccursAlways
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet S10

VIN 1GCCS14ZXR
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
Emissionsobd1
SymptomsNo Start, ECM, No Communicatio
OccursAlways