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Author Subject: Heater fan full power
-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #1
Hello everyone,

I haven't driven my car for 2 years and it was waiting for paint, then the work was done and I took my car back.

But the heater fan works non-stop.

First, I looked at the fan relay, it was clean, but I still bought a new green relay, I installed a new fuse, then I bought a 6441A1 (resistor unit), but it still continues to have full power.

Where should I look?

Does it affect the interior temperature sensor (6445AJ)?

https://www.youtube.com/watch?v=NO5itF83AUs&ab_channel=EREL (My video)

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 21st Feb 2024 at 16:20
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welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

Posts: 25,838

Status: Offline
Post #2
is the ac button and recirc button lighting up?

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Posted 21st Feb 2024 at 17:18
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-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #3
welshpug! wrote:
is the ac button and recirc button lighting up?


Yes the panel lights are working.

A/C and interior cover open and close are working

I removed the brown socket going to the fan and measured it with a multimeter, when I change the fan speed, the volts change, when it is at full speed it is 7.45 v, when it is off (I know it is not fully off) it is 11.36 v.

I think this means the panel's signals are correct.

But I don't understand why the fan speed doesn't change. I have 2 fan modules, 1 is magnet, Marelli and the other is Sagem, but nothing has changed in both of them, they are still full power.

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 23rd Feb 2024 at 07:01
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-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #4
I did another test today, I just connected the module without connecting the fan and using a multimeter, the V at the module output didnt change.

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 24th Feb 2024 at 16:35
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-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #5
Today I removed the tiny fan on the ceiling and found the socket disconnected, I plugged it back but it still didn't work.

The only thing I haven't changed now is the fan motor itself. Could 2 modules be defective?

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 9th Apr 2024 at 18:55
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-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #6
Even though no one knows anything, I solved it.
I don't understand how it happened, but I changed the places of the thick black and thick red cable in the 3-wire socket going into the FAN motor and now I can control it. I looked at the first socket of the heater wiring harness, it should be there, but I didn't understand how this could happen.

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 15th Apr 2024 at 08:34
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-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #7
https://youtu.be/X8WasuW7x7E

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My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 20th Apr 2024 at 22:45
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Joep

Regular

Location: Urmond (The Netherlands)

Registered: 19 Sep 2013

Posts: 478

Status: Offline
Post #8
-er- wrote:
Even though no one knows anything, I solved it.
I don't understand how it happened, but I changed the places of the thick black and thick red cable in the 3-wire socket going into the FAN motor and now I can control it. I looked at the first socket of the heater wiring harness, it should be there, but I didn't understand how this could happen.


Did the wires look as if someone tried to repair it in the past? And then maybe switched the wires?

Anyway, great that you have resolved that issue!

________________________________________

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Posted 22nd Apr 2024 at 09:54
Profile
-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #9
Joep wrote:
-er- wrote:
Even though no one knows anything, I solved it.
I don't understand how it happened, but I changed the places of the thick black and thick red cable in the 3-wire socket going into the FAN motor and now I can control it. I looked at the first socket of the heater wiring harness, it should be there, but I didn't understand how this could happen.


Did the wires look as if someone tried to repair it in the past? And then maybe switched the wires?

Anyway, great that you have resolved that issue!


No one but me has touched the electrical system of my car since 2009, but the car was painted in 2022, then this problem started and an electrical repairman looked at it without asking me. The only possibility is that he is an electrician.

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 26th Apr 2024 at 00:35
Profile
-er-

Junior User

Location: Istanbul / Bodrum

Registered: 20 Sep 2007

Posts: 73

Status: Offline
Post #10
Joep wrote:
-er- wrote:
Even though no one knows anything, I solved it.
I don't understand how it happened, but I changed the places of the thick black and thick red cable in the 3-wire socket going into the FAN motor and now I can control it. I looked at the first socket of the heater wiring harness, it should be there, but I didn't understand how this could happen.


Did the wires look as if someone tried to repair it in the past? And then maybe switched the wires?

Anyway, great that you have resolved that issue!


https://youtu.be/X8WasuW7x7E

Maybe you're interested, there are subtitles

________________________________________

My Channel EREL

Peugeot 306 GTi-6 N5 / PH2 / Diablo Red / Mustang Red Cloth (Sold Sad )

Peugeot 306 GTi-6 N5 / PH3 / Diablo Red / Alcantara Suede

Peugeot 306 GTi-6 N5 / PH2 / Bianca (Sold Sad )
Posted 26th Apr 2024 at 00:37
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