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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso and Grand C4 Picasso (B78) Problems and Issues

2014 Grand Picasso fan blower

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Author Post
Thu Apr 23 2020, 10:05am
Member No: #51808
Joined: Aug 03 2018
Location: Ireland
Hello all,

I've a 2014 C4 Grand Picasso 1.6HDi. The fan blower is not working. It works on the first setting but the speed does not increase after that.

I have removed the pollen filters and I'm awaiting replacements.

I removed the fan unit itself and hooked it up to a 12v battery and it spun up to speed no problem.

Is it possible to check the resistor with a multimeter? I have read that the resistor can cause issues but normally it sets the fan to full speed and you cannot decrease it.

The heating element still works.

The air con gas needs to be refilled. Is it possible this may cause the issue?

Any suggestions welcome.

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