Citroen DS3 wiring diagram / Pioneer

This unit is the RD4 or RD45 system, made by Continental.
Usually standard equipment unless another system is specified as an option. There are Single & Dual Tuner versions. RD45 features over the RD4: The RD45 has USB connectivity & integrated Bluetooth module supporting Phone & Audio Streaming.
zanzeoo
Posts: 4
Joined: 15 Feb 2026, 11:12

Citroen DS3 wiring diagram / Pioneer

Unread post by zanzeoo »

Hello

I just bought a new car radio for my citroen DS3 (2009 -2010) , it's a Pioneer mvh-s520dab

i tried 2 cable ISO adapter supposed to be compatible but not !

I'm looking for the wiring diagram of the car radio socket to make the adapter myself ( i need to know where the yellow and red wires goes )

can you advice me where to find the diagram ?

Thx
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mickthemaverick
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Re: Citroen DS3 wiring diagram / Pioneer

Unread post by mickthemaverick »

This is the DS3 audio diagram from Citroen Sedre backup: :)
DS3 audio.pdf
copied from Sedre backup
(1 MiB) Downloaded 51 times
You may need to refer to the guide in the link below to help to understand it

viewtopic.php?p=782862#p782862
I used to be indecisive, now I'm not so sure!
I used to ride on two wheels, but now I need all four!
zanzeoo
Posts: 4
Joined: 15 Feb 2026, 11:12

Re: Citroen DS3 wiring diagram / Pioneer

Unread post by zanzeoo »

sorry but the file is hardly readable , i would like to match those connectors below
Attachments
photo_2026-02-08_17-32-14.jpg
photo_2026-02-08_17-12-16.jpg
zanzeoo
Posts: 4
Joined: 15 Feb 2026, 11:12

Re: Citroen DS3 wiring diagram / Pioneer

Unread post by zanzeoo »

I think the yellow wire is not where it should be
zanzeoo
Posts: 4
Joined: 15 Feb 2026, 11:12

Re: Citroen DS3 wiring diagram / Pioneer

Unread post by zanzeoo »

i think i found what i'm looking for
Attachments
Citroen_Quadlock_RD4_Head.jpg
maxi81
Posts: 1
Joined: 26 Jun 2026, 17:29

Re: Citroen DS3 wiring diagram / Pioneer

Unread post by maxi81 »

hi, i need a electrical diagram of de ecu to iat/map sensor if somebody can help me pleasure for a ds3 2013 whit a bosch ME17.4.2 thp