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
- MEMBER
- 1 POST
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STRAILER
- ✓ASE Certified Mechanic
- 54,832 POSTS
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)
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Feb 18, 2019 at 11:30 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.