Technical where are the relays for the Frontfans?

[dajon]

Hello everyone,


Does anyone know where the relays for the Frontfans are located?


Background:
I’m increasingly getting the following fault codes:


Code – Meaning
P0693 – Fan motor 2 – circuit low
P0691 – Fan motor 1 – circuit low
U1400 – Invalid or missing signal from a control unit (CAN communication)
P0495 – Fan running at too high speed
P2291 – Injection pressure too low during start


I would be really grateful for help, have been some hours on the problem...

 

[dajon]

Here a Picture - where in the car is it?

 

[the green vanper]

Hello,

The attached doc should be helpful.

What was the tool you used to scan the van with?

 

[the green vanper]

And some diagnosis and testing schemes for fan problems from eLearn:

 

[dajon]

WOW, thanks! I found them! All the help i dreamed of!!

I used An obd bluetooth device and "Car SCanner" on android. I also have similiar error codes on Diagbox. Could you look for this operation on the picture?