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 Heater fan not working

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joyfull
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Number of posts : 15
Home City : Plymouth
Model and year : 1996 Hiace Vantech High Top
Registration date : 2014-03-13

PostSubject: Heater fan not working   Sat Nov 28, 2015 7:41 pm

I have a 1996 Hiace Vantech hightop camper.

The fan for the cabin heater has stopped working and it is cold here in the UK. I have tried the fuses under the steering column (very very difficult to get to) and the all seem to be OK but i do not have a manual so I am not sure which one is for the fan.

Is there something else that might need repair in the system?


Last edited by joyfull on Sun Nov 29, 2015 6:27 pm; edited 1 time in total
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WGWarburton
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Number of posts : 180
Home City : Central Scotland
Model and year : 94 2.8 Noppo HiTop Super-Long
Registration date : 2012-02-07

PostSubject: Re: Heater fan not working   Sun Nov 29, 2015 8:25 am

Can you run power directly to the fan to check if it's working? Also might be worth checking it has a good ground connection (maybe that's a given, I dont know how they are mounted!)
The switch for the fan heater would be worth a look, as it's a moving part so a likely place for wear to cause problems.
Otherwise you are probably looking for general corrosion on contacts or a broken wire?
I'm assuming you have a distinct fan switch, like my '94. If it's part of a more sophisticated hvac system then this may be no help at all!

Cheers,
W.
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joyfull
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Number of posts : 15
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Model and year : 1996 Hiace Vantech High Top
Registration date : 2014-03-13

PostSubject: Re: Heater fan not working   Mon Dec 21, 2015 11:54 pm

WGWarburton wrote:
Can you run power directly to the fan to check if it's working? Also might be worth checking it has a good ground connection (maybe that's a given, I dont know how they are mounted!)
The switch for the fan heater would be worth a look, as it's a moving part so a likely place for wear to cause problems.
Otherwise you are probably looking for general corrosion on contacts or a broken wire?
I'm assuming you have a distinct fan switch, like my '94. If it's part of a more sophisticated hvac system then this may be no help at all!

Cheers,
      W.

Hot wired the fan works OK. So what next. Could be the mechanical lever. How do I take out the dash facia to access.

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toldsimply
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Number of posts : 102
Home City : Maidenhead, UK
Model and year : 1993 Toyota Hiace Super GL 2.8 Litre with selectable 4WD
Registration date : 2012-05-09

PostSubject: Re: Heater fan not working   Wed Jan 20, 2016 2:40 pm

Taking the dash out from memory.
1st - Unscrew the 2 screws that hold the fuel filler pull switch in place.  You then want to post the pull switch through the gap in preparation for the next step.
2nd - Pull forwards and slightly upwards the whole ignition key surround, which includes the right hand under dash speaker part.  
3rd - Unscrew the screw that is now revealed just above the ignition key.
4th - Remove the two screws that are just above the speedo.
5th - Remove the screw that is hidden in one of the central air vents in the middle of the dash at the top
6th - There's also a screw underneath the dash, grey part that holds the dash to the middle consol, on the left a little above the left foot rest.

The whole central dash can then be lifted out part way and then the hazard buttons, etc etc will need to be disconnected, and clock if that is fitted there too.

Then carefully pull it all out.  The heater switch is one unit that needs to be unscrewed separately afterwards.

Hope that helps?
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joyfull
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Number of posts : 15
Home City : Plymouth
Model and year : 1996 Hiace Vantech High Top
Registration date : 2014-03-13

PostSubject: Re: Heater fan not working   Wed Jan 20, 2016 9:17 pm

Amazing detail from memory. I can't believe they have made it so complicated.

Before I go ahead is there something else I should check first.
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toldsimply
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Home City : Maidenhead, UK
Model and year : 1993 Toyota Hiace Super GL 2.8 Litre with selectable 4WD
Registration date : 2012-05-09

PostSubject: Re: Heater fan not working   Thu Jan 21, 2016 12:51 pm

I've had the dash off quite a few times, changing the stereo, upgrading the speakers, wiring in a sub unit, and sorting out a dodgy stereo connection. Once you've taken it off once you get really good at it.

I found this old thread about dash removal here with a photo
http://hiace-super-custom.free-boards.net/t1921-dashboard-removal?highlight=dash+removal

Don't forget you can do a search on the forum which can pull up lots of helpful info as people don't always log in here that often to answer questions.
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