Author Topic: Boost control and fuel pump problem  (Read 5528 times)

Offline 1800

  • Jr. Member
  • **
  • Posts: 4
  • BHP: 0
Boost control and fuel pump problem
« on: September 09, 2017, 09:54:56 am »
I'm trying to connect the boost control in my car with VEMS control system. However, I do not manage to enable it, nor if I try to run "TEST" mode under Output Channels.

The pinout I try to use is Injector Output 7, Grounding. But in VemsTune under Output Channels menu pinout 17 does not turn red in the picture at the bottom.
I updated the firmware if there is any bug that does it.
Unfortunately, without success but now a new problem occurred, the fuel pump does not start when I turn on the ignition : roll:
To start the car I have to force the pump through the Output Channels menu (.

So now I have two problems! Anyone who has had the same problem or knows what I'm doing wrong?
Firmware: 1.2.38

https://drive.google.com/open?id=0B378HB3C6bLeUjJ0Q1ZtODNFVVU
https://drive.google.com/open?id=0B378HB3C6bLeRDE4MWVvN19SQW8
https://drive.google.com/open?id=0B378HB3C6bLeNVZHWXRRbDA0UXc
« Last Edit: September 09, 2017, 12:12:27 pm by 1800 »

Offline Kamuto

  • Hero Member
  • *****
  • Posts: 814
  • BHP: 19
Re: Boost control and fuel pump problem
« Reply #1 on: September 09, 2017, 11:31:56 am »
links not working.
Vems installer in Lithuania
valdas.sunokas@gmail.com

Offline 1800

  • Jr. Member
  • **
  • Posts: 4
  • BHP: 0
Re: Boost control and fuel pump problem
« Reply #2 on: September 09, 2017, 12:10:41 pm »
Do they work now?

Offline 1800

  • Jr. Member
  • **
  • Posts: 4
  • BHP: 0
Re: Boost control and fuel pump problem
« Reply #3 on: September 09, 2017, 04:15:36 pm »
I have been digging more in this and managed to get the boost controlled output activated. I activated  InjGroup 7 under the menu "Injector gruop table". Not quite logical but now it works.
https://drive.google.com/open?id=0B378HB3C6bLeal9RY1J5cmNCbkE

Regarding the fuel pump, with firmware 1.2.38 the fuel pump can be PWM controlled. If I understand the link below correctly, it will pop up more options in the "Fan / Water pump / Fuel pump" menu.
http://www.vems.hu/vt/help/v3/v3_fan_water_pump.html

But this is what you look like in my menu, I have the latest vemstune.
https://drive.google.com/open?id=0B378HB3C6bLeMEgweDd6N3F2SFU
Tried to change back to firmware 1.1.94 and then it works as before (pwm control not possible then).
But I want to use the latest firmware.  :D

Offline 1800

  • Jr. Member
  • **
  • Posts: 4
  • BHP: 0
Re: Boost control and fuel pump problem
« Reply #4 on: September 09, 2017, 04:27:31 pm »
Last nightly release of vemstune solved my problem with Fuel PWM control.  :D