Volvo Community Forum. The Forums of the Volvo Owners Club

Forum Rules Volvo Owners Club About VOC Volvo Gallery Links Volvo History Volvo Press
Go Back   Volvo Owners Club Forum > "Technical Topics" > S40 / V50 '04-'12 / C70 '06> / C30 '07-'12 General
Register Members CarsBlogs Help Calendar Mark Forums Read

Notices

S40 / V50 '04-'12 / C70 '06> / C30 '07-'12 General Forum for the S40 / V50 '04> / C70 '06> /C30 '07> models.

Information
  • VOC Members: There is no login facility using your VOC membership number or the details from page 3 of the club magazine. You need to register in the normal way
  • AOL Customers: Make sure you check the 'Remember me' check box otherwise the AOL system may log you out during the session. This is a known issue with AOL.
  • AOL, Yahoo and Plus.net users. Forum owners such as us are finding that AOL, Yahoo and Plus.net are blocking a lot of email generated from forums. This may mean your registration activation and other emails will not get to you, or they may appear in your spam mailbox

Thread Informations

S40 Horn not working

Views : 145

Replies : 2

Users Viewing This Thread :  

Reply
 
Thread Tools Display Modes
Old Aug 16th, 2018, 14:27   #1
south coast
Junior Member
 

Last Online: Oct 24th, 2018 17:32
Join Date: Jun 2018
Location: worthing
Default S40 Horn not working

I know the fuse and relay are under the bonnet. The fuse is OK but I can't budge the relay..

Anyway, is the ECM in the passenger footwell involved at all with the horn?

I know that the ECM needs fixing so perhaps this is causing the horn problems (as it did with the wipers!)?

Otherwise, I can just buy a new horn/pair of horns !
south coast is offline   Reply With Quote
Old Aug 21st, 2018, 15:40   #2
Petey80
Master Member
 
Petey80's Avatar
 

Last Online: Today 17:34
Join Date: Feb 2017
Location: North East, Teesside
Default

The ECM is in the passenger side wheel arch.

The CEM is under the glove box.

Not sure if either have any connection to the horn?

EDIT - it's the ECU that's in the wheel arch.
__________________
2010 Volvo V50 1.6 D2 R-Design

Progress Thread - https://www.volvoforums.org.uk/showthread.php?t=264890

Last edited by Petey80; Aug 21st, 2018 at 15:41. Reason: wrong info.
Petey80 is offline   Reply With Quote
Old Aug 22nd, 2018, 09:57   #3
LizardOfBodom
Premier Member
 
LizardOfBodom's Avatar
 

Last Online: Today 11:14
Join Date: May 2016
Location: Dublin/Meath
Default

Quote:
Originally Posted by Petey80 View Post
The ECM is in the passenger side wheel arch.

The CEM is under the glove box.

Not sure if either have any connection to the horn?

EDIT - it's the ECU that's in the wheel arch.
CEM is connected to horn. Not directly maybe but sends electronic signal to horn when button is pressed. Thats why you can activate horn, wipers, even sprinklers from laptop with Vida. And also why if CEM goes out, all weird things happen
OP - you may be on the right track, inspect CEM first
__________________
2005 V50 T5AWD M66, Stage1 Hilton tune
E-focus torque mount, E46 bi-xenon retrofit v2 , DTSC fully-off mod, Black Diamond braided b.l.+Brembo discs+ATE ceramic pads
LizardOfBodom is offline   Reply With Quote
The Following User Says Thank You to LizardOfBodom For This Useful Post:
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +1. The time now is 23:13.


Powered by vBulletin
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.