Good afternoon all. For my sins I agreed to look at a friends C4 Hatchback Diesel on a 15 plate (2015) as the heater blower has stopped working. After trawling the internet for some time and coming across this forum it looked like the heater control resistor would be a good place to start. The control panel on the dash is lighting up as it should.
Having dropped out the glove box and the paneling on steering side (RHD) i am having real difficulty locating it. Having looked at the various drawings and you tube video's of the heater they don't look anything like whats fitted in the C4. Any help would really be appreciated.
Mikez
C4 Heater Blower not working
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Re: C4 Heater Blower not working
Are you talking about the C4 (B7) car, not the C4 Picasso? If so, the heater blower control module is on the left (passenger side) which is why you can't find it I suspect. It might be better to pop the VIN ups so we can be sure of what model you have.
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Marc
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Re: C4 Heater Blower not working
Ok thanks, its definitely not the Piccaso. I will pop the Vin as soon as i can
Mike
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Re: C4 Heater Blower not working
Hi Mark VIN VF7**************[VIN obfuscated, can be read by forum staff]
Mike
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Re: C4 Heater Blower not working
Ok you have C4 (B7) same as the DS4, see my posts here for the location of the unit:
viewtopic.php?p=670207#p670207
and here:
viewtopic.php?p=662328#p662328
viewtopic.php?p=670207#p670207
and here:
viewtopic.php?p=662328#p662328
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Marc
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Re: C4 Heater Blower not working
Hi Marc, Thanks for your help. Dropped out module connector and checked with multi meter. (low volts from supply across pins 3 and 6) Turned out to be a bad ground in the connector on your drawing 10 PR/59 CLM. I took that out completely and replaced with a choc block. Al's good now, just got to put all the fascia back
Mikez
Mikez
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Re: C4 Heater Blower not working
Excellent - good news and thanks for the Forum donation. That has upgraded your member status too - so will cover you for any live part numbers for up to 2 years.
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Marc
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Re: C4 Heater Blower not working
Shouldn't it now say Donor 2021 if the donation was within the last couple of weeks?
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
Inside every old person is a young person wondering what the hell happened.
"Trying is the first step towards failure" ~ Homer J Simpson
- GiveMeABreak
- Forum Admin Team
- Posts: 37005
- Joined: 15 Sep 2015, 19:38
- Location: West Wales
- My Cars: C3 Aircross SUV HDi Flair Peperoncino Red (The Chili Hornet)
C5 X7 2.0 HDi Exclusive Mativoire Beige (The Golden Hornet)
C3 1.6 HDi Exclusive Aluminium Grey (The Silver Hornet)
C5 MK II 2.0 HDi Exclusive Obsidian Black
C5 MK I 2.0 HDi SX Wicked Red
Xantia S2 2.0 HDi SX Hermes Red
C15 Romahome White
XM 2.0 Turbo Prestige Emerald Green Pearlescent
XM 2.0 Turbo Prestige Polar White
XM 2.0 SX Polar White
CX 20 Polar White
GS 1220 Geranium Red
CX 2.4 Prestige C-Matic Nevada Beige
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Re: C4 Heater Blower not working
Yes, we need to make some configuration changes. Shouldn't take too long to resolve.
Please Don't PM Me For Technical Help
Marc
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Re: C4 Heater Blower not working
Hi Marc, No problem with the donation. Faults turn out a lot easier to fix when you do have the correct info too hand. Hopefully I wont have to bother you too much but we do have 5 citroens in the family
Mikez
Mikez