mad85 · 2024-11-08T07:17:53+0000

noticed a while back that the AC fan is not coming on when I switch on the ac. as far as i know the fan should come on whenever the AC is on, regardless of the temperature (i usually set it to 16 or LO)?

I think it may be an issue with the engine bay fusebox as when i connected the earth from the AC clutch to the FAN the fan is starting. From nanocom I can see that there are some related errors. Any ideas before i remove the fusebox? :

sierrafery · 2024-11-08T08:40:48+0000

mad85 said:
as far as i know the fan should come on whenever the AC is on, regardless of the temperature

You dont know far enough

... actually it's not the best setup by LR cos for aircon it should work more that it was designed to based on outside temperature(from 28*C or above), the inside setting has nothing to do with it hence i hacked it to kick in every time the A/C is on otherwise the pressure in the system is always at the upper limit when it's let's say 26*C outside and it kills the compressor in time

though those a/c related open load fault codes can be due to bad contact or "tired" relays... the ECU monitors the relay's coils

mad85 · 2024-11-08T10:02:42+0000

sierrafery said:
You dont know far enough ... actually it's not the best setup by LR cos for aircon it should work more that it was designed to based on outside temperature(from 28*C or above), the inside setting has nothing to do with it hence i hacked it to kick in every time the A/C is on otherwise the pressure in the system is always at the upper limit when it's let's say 26*C outside and it kills the compressor in time

though those a/c related open load fault codes can be due to bad contact or "tired" relays... the ECU monitors the relay's coils

ok, thanks for the new information

so the hacking part is ready lol, but i dont like that i have the open circuit errors. im guessing i need to investigate the fusebox a little. is it hard to remove? once tried to remove the internal fusebox and i couldnt get the connectors off no matter how much i tried!

sierrafery · 2024-11-08T10:07:10+0000

mad85 said:
i need to investigate the fusebox a little. is it hard to remove?

Wasn't hard for me....but i can remove the interior one too in few minutes.

mad85 · 2024-11-08T12:03:25+0000

sierrafery said:
Wasn't hard for me....but i can remove the interior one too in few minutes.

fair enough, effort can be quite relative sometimes

hughdavies · 2024-11-08T12:10:08+0000

Does the fan come on at all? these fans are very prone to siezing up, and replacements are not easy to find.

mad85 · 2024-11-08T12:21:50+0000

hughdavies said:
Does the fan come on at all? these fans are very prone to siezing up, and replacements are not easy to find.

yes, the fan had been replaced in the past for a Spal one and it does work. I hacked the system a bit by bridging the relay connectors for the clutch and the fan so now it has no choice but to come on whenever there is a request for the ac clutch but am concerned that the errors might indicate corrosion (which might affect other things if left unchecked)

mad85

Active Member

sierrafery

Well-Known Member

Attachments

mad85

Active Member

sierrafery

Well-Known Member

mad85

Active Member

hughdavies

Well-Known Member

mad85

Active Member

Similar threads