no communication

118,000 MILES • 1.9L • 4 CYL • 2WD • MANUAL
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MELVYN27
  • MEMBER
  • 1 POST
scanner does not communicate with ECU.
Apr 5, 2019 at 5:48 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,628 POSTS
Hello,

Can you try the scanner in another car to confirm the scanner operation? then lets check the ALDL fuse #30 in the under hood fuse panel. here is a guide and the wiring diagrams so you can see how the system works and the fuse location:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the diagrams (below). Please let us know what happens.
Apr 8, 2019 at 6:01 AM
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