Why won't my Activa talk to Lexia?

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Hell Razor5543
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Re: Why won't my Activa talk to Lexia?

Post by Hell Razor5543 »

I am glad I was able to help, even slightly.
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Re: Why won't my Activa talk to Lexia?

Post by xantia_v6 »

CitroJim wrote:H1 (crusie control diagnostic) is interesting... The old Hella vacuum cruise was never diagnosable so I wonder which one that is?
That diagram was the last iteration for the XM (probably the last car to used the 30-pin connector), which included the features for the rare (French market-only) XMs with multiplexed wiring, which were a test-bed for the C5 wiring system. I believe that all the multiplexed XMs were 2.1TD (EPIC), so it is not obvious that they had a separate cruise ECU, but maybe something else did.
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Re: Why won't my Activa talk to Lexia?

Post by CitroJim »

Ahh, that makes sense Mike!
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