CL-Class (W215) 2000-2006: CL 500, CL 600

A/C Multifunction sensor function?

Old May 24, 2010 | 11:07 PM
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2005 CL65 (current), 2001 CL600 (chopped)
A/C Multifunction sensor function?

My multifunction sensor is detection 0 units of CO but 1023 units of NOx, which I assume means the sensor itself is bad. My car has been intermittently shutting off the blower motor recently.

My question is, what exactly does the multifunction sensor do? I mean I know it detects bad stuff, but can it actually shut off the blower motor? The reason I'm asking is because I'm trying to diagnose this intermittent blower issue. I don't want to have to spend ~$200 to not fix the problem.

2001 CL600
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