cannot scan it because of no communication?

2004 TOYOTA 4RUNNER
700,000 MILES
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TICO KOCK
  • MEMBER
  • 1 POST
Car runs good but cannot scan it because of no communication with scanner.
Aug 19, 2018 at 9:05 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
First make sure the scanner works on another car. Next check the OBD fuse under the hood. Here is a guide to help you with the fuse location and the wiring diagrams for the ALDL so you can see how then system works:

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

Check out the diagrams (below). Please let us know what you find.

Cheers, Ken
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Aug 21, 2018 at 12:54 PM
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