Quote:
Originally Posted by Mxfrank
The Klima provides two functions on a diesel:
1) it compares the rpm of the engine (from the crank sensor via enine electronics) to the rpm of the compressor (from the speed sensor on the back of the compressor) This is to save you from being disabled by a torn belt. Workaround: toss a spare belt into the trunk.
2) For some unknowable reason, it controls power to the kickdown relay.
So thats what it does, and now you can assess the risk of bypassing it.
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Which diesel are you referring to? I have an 85 300D which is the only year W123 with a Klima relay. Here is the W/D. #28 is the Klima. I do not see an RPM input going to it from the compressor.
