OBD communication Issue cannot read codes

2007 HONDA CIVIC
175,000 MILES • 1.8L • 2WD • AUTOMATIC
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MAC2018
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Hi all ,
I need some help on my car listed above it is a Sedan. I have ABS light, brake/parking light and engine light on my dashboard. Also, no temperature indicator. Gas gauge works fine. I have tried connecting two different OBD2 scanner. But It just say cannot established the link to DLC. I have checked all fuses under dash and under the hood. All are fine. Also checked power ON OBD 2 connector between PIn 4 and Pin 16. It shows twelve volts. How can I find the code for my car? I have tried shorting pin 4 and 9 as well but no codes coming. (FYI: I have after market Compustart Car starter installed. is it the problem?)

Thanks.
Jan 22, 2018 at 1:48 PM
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STRAILER
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Hello,

There is a fuse #23 that powers the ALDL connector. Here is a guide to help you check the fuse.

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

Here is a wiring diagram to help you can how the connector works.

Check out the diagrams (Below)

Please let us know what you find. We are interested to see what it is.

Cheers, Ken
Jan 24, 2018 at 12:14 PM