No heat

Post by **Micron** » Sun Dec 28, 2025 4:55 pm

ryanandcharl wrote: ↑
Sun Dec 28, 2025 4:43 pm
Just had a quick look and feel while the car was running. No movement or sound coming from either module on driver/passenger side. There’s a pair for sale online however it’s postage from Lithuania - is there anything else that could cause these to fail? Thanks

I would say that it’s very unlikely that you have 2 faulty modules.
You said before that you changed the controller, did you change it for an exact match, or a known working model.
Does your car have AC ( I can’t remember if you said) does your new one do the same as the old one, AC or no AC?

Post by **ryanandcharl** » Sun Dec 28, 2025 5:55 pm

The unit of switches was an exact match and I was told
it was working from a member of the forum. Both units function the same - buttons lights up when pressed but no change in direction just blowing at the floor. Car is non-ac model but still has the AC button.

Without ripping the entire dash out, what list of parts make up this system? Incase I’ve missed something.
Swapping button panel hasn’t helped, fan unit blows strong 1-4. If I remove the modules/actuator's do you know how I would bench test them? The drivers one looks pretty accessible so I can start with that. Thanks

Post by **Micron** » Sun Dec 28, 2025 10:57 pm

I will try to dig out some diagrams for the heating circuit

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