Airflow Malfunction in 2004 Suzuki Grand Vitara 2.0 Diesel: Relay, Fuse 43, and Blower Tests

Toy car as in topic. The airflow inside does not work. There is neither voltage nor mass to the fan. There are 4 wires to the resistor. Two thick and two thin. on 3 of them is mass. Evidently power off. The tested fuse 43 and the checked relay under the storage compartment (it's probably this one). There is power to the relay, making a jumper on the relay does nothing. Maybe some of my colleagues have a diagram to see what else I can check.
The blower works for a short time. After connecting the computer in the measuring blocks, it sees the blower on and off, shows blower gears. It will clarify the car - Grand Vitara 2004 2.0 diesel engine.

Webasto is?

I will say that I did not check but it did not catch my eye. I will check it carefully in the afternoon. Do you have Piotr's piece of the diagram?

Added after 8 [hours] 21 [minutes]:

Webasta is missing.

Gentlemen, I am conquering the topic and I am still asking for your hints. So far checked resistor - replaced with another one. Replaced fan because the previous one went hard. Checked cables from panel to resistor. They are whole and have no short circuit. I miss the relay control voltage (green / yellow). I gave a short voltage there, the relay shorted and the fan started. The problem is that there are no blower gears. Only 7th and 8th gears work. In the parameters, the computer sees that in 1st gear it gives 4 v, in 2 gives 6v ...... in 8 gear 14 v. You can also see the gears like turning the knob 1,2, .... 8, also sees the blower off. Maybe you had similar problems with a suzuki grand vita ??? I'm not sure about the resistor because it's probably he who controls the blower gears. And then there is the control of the blower relay. According to the scheme goes from the fuse after ignition.

Take the meter and see if the voltage at the control pin next to the resistor.

If so, a scrap resistor.

szymitsu21 wrote:

Take the meter and see if the voltage at the control pin next to the resistor.

If so, a scrap resistor.

The resistor replaced.

Ireneo wrote:

szymitsu21 wrote:

Take the meter and see if the voltage at the control pin next to the resistor.

If so, a scrap resistor.

The resistor replaced.

Well, but still some problem. In this way, it will exclude control and power will be ...

The first fault, as I wrote, is the lack of power for the fan relay located on the passenger side next to the blower - yellow / green wire. I checked two wires coming from the climatronic panel to the resistor. No short circuit or damage. On one of them the value should change as I turn the knob. Nothing changes on one or the other. That's why I'm betting on the panel. Something inside reads the position of the knob, the power change but some executive element has a big ... Anything else can affect the fan speed ??? It should be that the knob for the resistor and he for the blower.

No, nothing affects speed. If there is power, then after applying the control voltage it is ********
Not long ago I did suzuki liane I think it's the same. There, the resistor just fell ...
I have such a small cool something I connect to the resistor gives him the voltage he wants and see if everything is ok on this side

It is precisely that he lacks this variable power supply. These two wires go to the resistor from the panel. Should one of them give variable values after turning the knob. And the other ???? .

Exactly. One of them is to give variable values. I don't remember the second one

The second can be from air conditioning.
It gives a signal to the relay with the fan on and allows the compressor to work.

And you are both right because I was surprised that when I turn on the blower for a short time, the engine starts working differently. Today, if I find the time, I'll take it short and replace the panel and possibly the resistor. I'll give a sign. greetings


after a break I reply that the blower RESISTOR was damaged. I don't know how exactly it works, but when damaged, the values did not change. After replacing the resistor on one thin wire, the values changed and the gears returned. Thank you for your suggestions. Best regards and all the best in the New Year.