Quote:
Originally Posted by zener
Looking at the wds, it sure looks like with s536 aux water pump is only wired to webasto. Gotta look more in to it, since wds doesn't tell pin number or wire color behind ac panel.
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The water pump is controlled by Webasto but it works as auxiliary water pump if IHKA is activated and there is temp demand (pump controlled by K-bus command from IHKA even if Webasto itself is not started). If you check the live status on Webasto with for example INPA you should see this.