Search found 3 matches

by LM358
Thu Sep 17, 2015 4:59 pm
Forum: Diagnostic discussion
Topic: CAN signal decoding
Replies: 11
Views: 7573

Re: CAN signal decoding

Thanks for the info Steve ! So we have a kind of built-in acceptance filter in the Pico; I did not know that. @ Belet: OBD2 communication is mostly between DiagTool and Engine ECU. Therefore, it is best to search for the identifier 7E8 (= engine ECU - only valid forb OBD2, not for internal communica...
by LM358
Tue Sep 15, 2015 8:17 pm
Forum: Diagnostic discussion
Topic: CAN signal decoding
Replies: 11
Views: 7573

Re: CAN signal decoding

You can recognize OBD2-frames because their identifiers all begin with 7. Take a look at the following: https://en.wikipedia.org/wiki/OBD-II_PIDs A good way to get started is to connect a universal OBD-scanner to the car and read the "live data" with the tool. At the same time, you decode the CAN-fr...
by LM358
Sat Sep 05, 2015 12:11 pm
Forum: Diagnostic discussion
Topic: LVDS (Low Voltage Differential Signal)
Replies: 3
Views: 1652

LVDS (Low Voltage Differential Signal)

Hallo, I am a Technical Trainer for Renault in Belgium. On New Espace 5 & Kadjar, Renault uses LVDS for data transport between the RadioNav-unit and the RLink-screen. I am trying to visualise the signal, which should look like CAN, but with lower voltage levels (between 1.2 and 1.35 (high) and betwe...