Hello. I have a problem with engine cooling, namely the yellow light that is on all the time on the computer, it shows a cooling system error. The state of the fluid is ok. I also changed the module from the fans, but nothing helped, I will add that the fans from the radiator and the air...

The cooling module can be diagnosed. Connect the computer and tell what error code. Then you will be able to say something

Check both fans carefully as the cooling system works in such a way that there are different combinations of switching on, including two fans in series. You probably have this fan from the front and the difference in voltage drop (load) is detected by the module.

Diagnostics as colleagues have already written. I will add to this carefully check the fuses, the harness and the module plugs because, unfortunately, they rot. Try to disconnect the plug from the fluid temperature sensor for a moment and see if the fans start, they should if the power supply is OK.

I will eat in the evening and write a mistake, I will add that when I turned on the air conditioning recently, instead of the fan from the air conditioning, the fan from the water cooler turned on;

to unfasten this fan will help ???

just, buddy, tell me where I have this temperature sensor, one I found next to the thermostat, unplugged the plug, I even did nothing, I bridged it and the fan did not turn on or is there any sensor too ????

if you have automatic air conditioning (aut.climate control), the cause may be the control panel. I had such a case, the replacement of the panel helped

I do not have how to check the error code now, someone knows a good program for this device to show me an error ???

check the thermal fuse at the fan. It is in such a perforated metal casing

There is no good program under this ELM, you can check the free version of Torque for android, maybe it will show you something.

I meant this sensor, there is only a pressure sensor in the air conditioning system. Check the air conditioning fan briefly. I will still insist on the harness and fuses. I am saying that your power supply is missing somewhere.

Hi. Under this, Elma works fine on the android SCANmyOpel. I used to diagnose Astre 2 with X16XEL with it.

Opel Astra g 2 1.7 Isuzu 2003: Persistent Cooling System Light Despite Fan Module Change

Stefanbwa 14040 13

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#1 16529567 14 Jun 2017 15:26

Stefanbwa Stefanbwa

Level 7

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Post #1
16529567 14 Jun 2017 15:26

Hello. I have a problem with engine cooling, namely the yellow light that is on all the time on the computer, it shows a cooling system error. The state of the fluid is ok. I also changed the module from the fans, but nothing helped, I will add that the fans from the radiator and the air conditioning do not turn on. Does anyone know where the cause could be? The cooler fan was hooked up for a short time.
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#2 16529608 14 Jun 2017 15:49

kortyleski kortyleski

Level 43

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Post #2
16529608 14 Jun 2017 15:49

The cooling module can be diagnosed. Connect the computer and tell what error code. Then you will be able to say something
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#3 16529621 14 Jun 2017 15:57

Stefanbwa Stefanbwa

Level 7

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Post #3
16529621 14 Jun 2017 15:57

I will eat in the evening and write a mistake, I will add that when I turned on the air conditioning recently, instead of the fan from the air conditioning, the fan from the water cooler turned on;
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#4 16529646 14 Jun 2017 16:12

BANANvanDYK BANANvanDYK

Level 42

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Post #4
16529646 14 Jun 2017 16:12

Check both fans carefully as the cooling system works in such a way that there are different combinations of switching on, including two fans in series. You probably have this fan from the front and the difference in voltage drop (load) is detected by the module.
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#5 16529689 14 Jun 2017 16:34

Stefanbwa Stefanbwa

Level 7

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Post #5
16529689 14 Jun 2017 16:34

to unfasten this fan will help ???
#6 16529809 14 Jun 2017 17:29

kortyleski kortyleski

Level 43

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Post #6
16529809 14 Jun 2017 17:29

No. Will not help
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#7 16529856 14 Jun 2017 17:55

pusty20 pusty20

Level 26

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Post #7
16529856 14 Jun 2017 17:55

Diagnostics as colleagues have already written.
I will add to this carefully check the fuses, the harness and the module plugs because, unfortunately, they rot.
Try to disconnect the plug from the fluid temperature sensor for a moment and see if the fans start, they should if the power supply is OK.
#8 16530746 15 Jun 2017 09:15

Stefanbwa Stefanbwa

Level 7

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Post #8
16530746 15 Jun 2017 09:15

just, buddy, tell me where I have this temperature sensor, one I found next to the thermostat, unplugged the plug, I even did nothing, I bridged it and the fan did not turn on or is there any sensor too ????
#9 16530778 15 Jun 2017 09:51

faldo faldo

Level 11

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Post #9
16530778 15 Jun 2017 09:51

if you have automatic air conditioning (aut.climate control), the cause may be the control panel. I had such a case, the replacement of the panel helped
#10 16530870 15 Jun 2017 10:56

Stefanbwa Stefanbwa

Level 7

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Post #10
16530870 15 Jun 2017 10:56

I do not have how to check the error code now, someone knows a good program for this device to show me an error ???
#11 16530934 15 Jun 2017 11:27

faldo faldo

Level 11

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Post #11
16530934 15 Jun 2017 11:27

check the thermal fuse at the fan. It is in such a perforated metal casing
#12 16531704 15 Jun 2017 17:48

bubu1769 bubu1769

Level 42

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Post #12
16531704 15 Jun 2017 17:48

There is no good program under this ELM, you can check the free version of Torque for android, maybe it will show you something.
#13 16531931 15 Jun 2017 19:52

pusty20 pusty20

Level 26

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Post #13
16531931 15 Jun 2017 19:52

Stefanbwa wrote:
just, buddy, tell me where I have this temperature sensor, one I found next to the thermostat, unplugged the plug, I even did nothing, I bridged it and the fan did not turn on or is there any sensor too ????

I meant this sensor, there is only a pressure sensor in the air conditioning system.
Check the air conditioning fan briefly.
I will still insist on the harness and fuses. I am saying that your power supply is missing somewhere.
#14 16533102 16 Jun 2017 13:29

conrad9210 conrad9210

Level 26

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Post #14
16533102 16 Jun 2017 13:29

Hi. Under this, Elma works fine on the android SCANmyOpel. I used to diagnose Astre 2 with X16XEL with it.
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Topic summary

The discussion revolves around a persistent cooling system error light in a 2003 Opel Astra G 1.7 Isuzu, despite the replacement of the fan module. The user reports that the coolant level is adequate, but the radiator and air conditioning fans do not activate. Suggestions include diagnosing the cooling module for error codes, checking the fuses, harness, and module plugs for corrosion, and testing the fluid temperature sensor. There are also mentions of potential issues with the automatic climate control panel and the thermal fuse at the fan. Users recommend using diagnostic software like Torque or SCANmyOpel for error code retrieval.
Summary generated by the language model.