Search found 660 matches

by TimH
Mon Sep 14, 2020 9:58 am
Forum: S8 Technical
Topic: audi coils
Replies: 2
Views: 466

Re: audi coils

I've wired these in for people a few times for various ECUs.

Apart from +12V and the trigger, there are two grounds. One is supposed to be taken back to ground pins at the ECU and the other taken to the engine block. They worked for me wired like that, anyway!
by TimH
Mon Jul 20, 2020 10:51 am
Forum: General Syvecs Chat
Topic: Ignition Final volatile
Replies: 2
Views: 801

Re: Ignition Final volatile

cyl02knockIgnRtd?
by TimH
Tue Jun 16, 2020 10:03 am
Forum: S8 Technical
Topic: Pin does not support the required input config
Replies: 5
Views: 2186

Re: Pin does not support the required input config

It may not like VVT on X10 inputs either as it can't reliably get the data, via CAN, to sync up correctly.

If its an F88R it only has 8 frequency-capable inputs and I suspect AN16 isn't one of them!
by TimH
Thu Jun 11, 2020 8:47 am
Forum: S7-I / S7Plus Technical
Topic: will S7Plus work with Bosch Motorsport ABS M5 Kit 1?
Replies: 2
Views: 890

Re: will S7Plus work with Bosch Motorsport ABS M5 Kit 1?

SCal says yes. Look under Datastreams, and then "Bosch ABS M4 CAN Receive" and there's "M5 Mode Enable".
by TimH
Tue Jun 02, 2020 10:11 pm
Forum: S8 Technical
Topic: GDI4 ECU current supply
Replies: 11
Views: 2244

Re: GDI4 ECU current supply

Yep - agreed - Syvecs rewrite of the actual spec is ambiguous. DBW is good to go :)
by TimH
Tue Jun 02, 2020 9:56 pm
Forum: S8 Technical
Topic: GDI4 ECU current supply
Replies: 11
Views: 2244

Re: GDI4 ECU current supply

yes, but the GDi4 spec does not mention it having full-bridge capability. It's probably just not written very well. But I still commend checking with Syvecs as these little things are there to bite!
by TimH
Tue Jun 02, 2020 9:46 pm
Forum: S8 Technical
Topic: GDI4 ECU current supply
Replies: 11
Views: 2244

Re: GDI4 ECU current supply

There is no GDi4 section and, as I understand it, the GDi4 is a variant S8 anyway. As said by Stevie, do not drive constant current devices such as pumps direct. Nor PWM high current devices (such as pumps). And I can't see a way in SCal of assigning a pair of half bridges to a DBW motor. But maybe ...
by TimH
Tue Jun 02, 2020 8:56 pm
Forum: S8 Technical
Topic: GDI4 ECU current supply
Replies: 11
Views: 2244

Re: GDI4 ECU current supply

PWM using low-side drivers is still the ECU sinking current - no different to an injector drive. However, it is generally not a good idea to drive fuel pumps or water pumps direct from the ECU - they just take too much current. If you want to PWM these, use external solid state relays. DBW motor is ...
by TimH
Mon Jun 01, 2020 8:40 pm
Forum: S8 Technical
Topic: GDI4 ECU current supply
Replies: 11
Views: 2244

Re: GDI4 ECU current supply

Most outputs are low-side drives so it's more down to the current-sinking ability of the ground connections rather than the limit of the VBatt pins. DBW and GDi high side drives are the exception to that. Datasheet and other documentation shows what each drive output is capable of. But, basically, w...
by TimH
Thu May 21, 2020 6:42 pm
Forum: S8 Technical
Topic: CAN Receive
Replies: 10
Views: 2248

Re: CAN Receive

Guess the $1m question is whether the ECU vendor should allow loads of flexibility in CAN configuration to allow you to match the setup to 3rd party equipment, or if the 3rd part equipment vendor should adjust their CAN data to match the ECU's demands.

Discuss :ugeek: :lol: