PIDS on Nano with ALTserial about klinekwp1281lib HOT 5 CLOSED

Hi. First things first, this protocol isn't really about PIDs, instead it's blocks. Every block has between 0 and 4 values, whatever the module wants. Every module can have a maximum of 255 blocks which may or may not contain anything.

Every module is different, there is no real standard. This means your voltage value you are looking for could be anywhere.

You should try the "Full measurement test", and let it run until the end (block 255). Then you can look for the value you want to figure out what BLOCK_TO_READ and MEASUREMENT_TO_READ to use for the "Single measurement test".

from klinekwp1281lib.

from klinekwp1281lib.

I am pretty sure it will be the same for all. Usually important values are kept in the same place for all models.

Since you have VCDS you can find this value easier. You can access the label files (or just open "Meas. Blocks") and find what "Group" (BLOCK_TO_READ) and what measurement (MEASUREMENT_TO_READ) you need. The first measurement is MEASUREMENT_TO_READ=0, the second is MEASUREMENT_TO_READ=1 etc..

from klinekwp1281lib.

To clear things up:
This protocol has pretty much nothing in common with the standard OBD protocol and has nothing to do with CAN. There are no such things as PIDs.

For every included example you can select which module you want in the example's "configuration.h" by changing the connect_to_module (example: 0x01 = Engine, 0x02 = Auto Transmission, 0x17 = Instruments etc.).

If you have VCDS, the group/block and measurement correspond directly to what you can see in the "Meas. Blocks".

If you don't have VCDS, run the "03.Full_measurement_test" until the end (block 255) so you find what values all blocks contain.
For example, the RPM can appear in multiple places, you can use whichever one you want, they are all the same.
After you find a location for your value, you can try it in the "05.Single_measurement_test".
After you confirm it works, you can just use the readGroup() function with those numbers directly in your own sketch, as you can see in the example.

from klinekwp1281lib.

Assuming I've cleared up the misunderstanding, I will close the issue.

from klinekwp1281lib.