PLX iMFD serial connection to Hondata S300J V3

s300 and SManager software questions & answers
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shiroitenshi
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Joined: Sat May 19, 2007 9:24 pm

PLX iMFD serial connection to Hondata S300J V3

Post by shiroitenshi » Sun May 08, 2016 7:58 pm

Finally upgraded to the s300j v3 from s300v1 when I sold of my car and bought another.

In the help section, it's mentioned that we can connect the earphone jack IMFD cable to digital inputs on the s300 Digital inputs. There isn't much information beyond that. Is there a wiring diagram to help with connecting it?

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Hondata
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Re: PLX iMFD serial connection to Hondata S300J V3

Post by Hondata » Mon May 09, 2016 7:47 am

Use the PLX or similar 3.5mm headphone plug, cut off one plug and bare the wires. You should have three wires - usually red, white & either a black or bare (uninsulated) wire. The uninsulated (bare) wire goes to ground on the S300 connector. The PLX Tx wire is red or white and goes to the I+ on the S300 connector. You can tell which wire it is by measuring with a voltmeter from ground to the wire - it should be 3.3V.
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shiroitenshi
Posts: 60
Joined: Sat May 19, 2007 9:24 pm

Re: PLX iMFD serial connection to Hondata S300J V3

Post by shiroitenshi » Mon May 16, 2016 7:30 pm

Thanks for the information. Going to do that now.

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