After fitting cruise control and doing a proxi i have now a IS0 code
What is this? and the cruise control isnt working
What is this? and the cruise control isnt working
Technical iso code?? what is this?
- Thread starter paullawton2007
- Start date
Currently reading:
Technical iso code?? what is this?
Not sure what ISO code you're referring to?
Only ISO codes I'm aware of are the various ECU identificaton codes.
As I understand it, messages from one ECU to another are continually being placed on the two wire CAN bus by various ECUs, preceded with the ISO code of the destination ECU. Each ECU, therefore only accepts messages that were intended for it.
.
Only ISO codes I'm aware of are the various ECU identificaton codes.
As I understand it, messages from one ECU to another are continually being placed on the two wire CAN bus by various ECUs, preceded with the ISO code of the destination ECU. Each ECU, therefore only accepts messages that were intended for it.
.
OP
OP
yeah i had never seen that beofre and couldnt find nothing doing a search.
i used FES to re-learn the c/control and its come back when you first connect to the Engine Ecu Iso Code. ill take a screen shot in bit (tajen enough time from work trying to get it working)
i think i need to take a 12 to A02 on the black D4.
ill let you know what it says, i only thought iso wise was audio!. if you dont know what it means then pfft who will!
Paul
i used FES to re-learn the c/control and its come back when you first connect to the Engine Ecu Iso Code. ill take a screen shot in bit (tajen enough time from work trying to get it working)
i think i need to take a 12 to A02 on the black D4.
ill let you know what it says, i only thought iso wise was audio!. if you dont know what it means then pfft who will!
Paul
OP
OP
Afternoon Davren
this is a screen shot. where it says ECUscan or Multiscan on the main screen it says iso code not valid for this vehicle? strange
Attachments
OP
OP
ah ok. if i hit "Y" it still connects and lets me do everything clear codes etc. unless it auto switches to the correct ECU.
Well thats something that has not been posted on here before!
Paul
Well thats something that has not been posted on here before!
Paul
The International Organization for Standardization known as ISO, is an international standard-setting body composed of representatives from various national standards organizations. [ame]http://en.wikipedia.org/wiki/International_Organization_for_Standardization[/ame]
they're responsible for the standards of pretty much everything...
in this case i think the code relates to the information for the ECU variant that's relayed over CAN, different types of CAN systems have different ISO numbers too.
on a side note, i regularly deal with SAE J1939 (a CAN system used on trucks, its a part of ISO 11992) they work by all the ECUs constantly transmitting data on the network, each ECU filters out its relevent info from the data stream and discards the rest... for instance the dash module will transmit all of its info and the engine ECU will also transmit all of its info, the dash module will send a signal requesting activation of the lights... the engine ECU doesnt control lights so ignores this portion of the data stream... if the dash sends info about a cruise control setting, the engine ECU recognises that as something it can do and makes the required adjustments. ALSO theres a fast and slow CAN system, slow for non critical things like lights and radio on/off signals, auto rain sensors and the likes, and a fast for things like ABS and stability control... its all a little more complicated than that but you get the idea.
they're responsible for the standards of pretty much everything...
in this case i think the code relates to the information for the ECU variant that's relayed over CAN, different types of CAN systems have different ISO numbers too.
on a side note, i regularly deal with SAE J1939 (a CAN system used on trucks, its a part of ISO 11992) they work by all the ECUs constantly transmitting data on the network, each ECU filters out its relevent info from the data stream and discards the rest... for instance the dash module will transmit all of its info and the engine ECU will also transmit all of its info, the dash module will send a signal requesting activation of the lights... the engine ECU doesnt control lights so ignores this portion of the data stream... if the dash sends info about a cruise control setting, the engine ECU recognises that as something it can do and makes the required adjustments. ALSO theres a fast and slow CAN system, slow for non critical things like lights and radio on/off signals, auto rain sensors and the likes, and a fast for things like ABS and stability control... its all a little more complicated than that but you get the idea.
