#21
|
|||
|
|||
Re: Strange setup problems
Quote:
I don't understand how J67 has anything to do with this? Injector+ (and also main power) is connected to the pin60, and injector- to the pin3. Also fuel pump starts only for a 2-3 seconds at pre-crank position and doesn't start again until the engine is started. The HFS-3 is still in yellow light mode during this. Last edited by Ilkka; 15-06-2010 at 11:29 PM. |
#22
|
|||
|
|||
Re: Strange setup problems
Quote:
Quote:
I don't understand why injector- goes down to 0.12V when connected to ECU pin3. The pin3 must be grounded during pre-crank, otherwise it doesn't make sense. What's between those two wires (injector + and -) inside the box? Last edited by Ilkka; 15-06-2010 at 11:53 PM. |
#23
|
|||
|
|||
Re: Strange setup problems
This is very strange.
The two wires of the HFS-3: Red: ............ + reference of a comparator input Green: ........... - reference of a comparator input The trigger differential is set to ~0.5V between those two points. Ie is the voltage of green wire is 0.5V below the red wire, the system sees it as a starting point of the injector firing. From the diagram J67 appears to be the main +12V supply to all the injectors and other devices. So I can safely assume that I can use J67 as a (+) reference for the +12V. If you can post a larger diagram of the ECU that has p60 included so I can see what else is connected to that pin.
__________________
Richard L aquamist technical support |
#24
|
|||
|
|||
Re: Strange setup problems
Quote:
__________________
Richard L aquamist technical support |
#25
|
|||
|
|||
Re: Strange setup problems
Yes but there isn't 12V on the other side during pre-crank. The J67 get's powered up only once the car is actually started. And then the pin3's continuous ground switches to normal pulsing ground.
|
#26
|
|||
|
|||
Re: Strange setup problems
Ideally, put the red wire on J67 and green on pin3. The system can only be used after the engine is running, is it acceptable?
During cranking, the system will not inject because there is a 10 second start-up timer to disable WI activating. If you want to switch on the system before cranking, you have to disconnect the green wire from the injector(-).
__________________
Richard L aquamist technical support |
#27
|
|||
|
|||
Re: Strange setup problems
Quote:
|
#28
|
|||
|
|||
Re: Strange setup problems
We will move on to test the working of the system next. This will allow me time to find a way around this.
__________________
Richard L aquamist technical support |
#29
|
|||
|
|||
Re: Strange setup problems
I can confirm that the system is working. Even though the THRES led lit during standstill revving on the parking lot, it wasn't enough to trigger the system to spray. Once I got on the road and was able to push it harder, the nozzle started to spray.
Can you guess why the THRES led lights too early? Now I need to empty the tank from water and put the 50/50 mixture in. Then starts the fine-tuning. Last edited by Ilkka; 16-06-2010 at 07:43 PM. |
#30
|
|||
|
|||
Re: Strange setup problems
You can diagnose this by putting the jumper to FDC and watch the gauge what the system is seeing.
__________________
Richard L aquamist technical support |
|
|