OBD2 not communicating with the computer. it has power and grounds just to communicating wire not working.
Feb 16, 2019 at 10:43 AM
Obd2 not communicating
1999 ISUZU NPR
JOSE4465
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Hello,
Can you make sure #16 terminal has power? Here is a guide to help and the engine wiring diagrams below so you can see how the system works. Does the scanner work on other cars?
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Check out the diagrams (below). Please let us know what you find.
Can you make sure #16 terminal has power? Here is a guide to help and the engine wiring diagrams below so you can see how the system works. Does the scanner work on other cars?
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
Check out the diagrams (below). Please let us know what you find.
Image (Click to enlarge)
Feb 18, 2019 at 11:30 AM