Diagnostic not connecting with ECU

2001 NISSAN X-TRAIL
120,000 MILES • 2.2L • 4 CYL • 4WD • AUTOMATIC
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OPAKAPIJI
  • MEMBER
  • 1 POST
ELM327 not communicating with ECU.
Jun 18, 2018 at 2:09 AM
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,178 POSTS
Hello,

The first thing I would do is plug the scanner into a different car to make sure it works. Then check the fuses #26 and #11 which power the ALDL. Here is a guide to help you run a test and the wiring diagrams so you can see how it works:

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

Please let us know what happens.

Cheers, Ken
Jul 20, 2018 at 10:04 AM
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