Operation CHARM: Car repair manuals for everyone.

CO Potentiometer (on HLM)

CO Potentiometer (on HLM):

Check function:

•D• 200 - A voltage of 1.25 V should be indicated in the basic setting. Precise idle CO tuning (by turning the potentiometer) should be performed only in conjunction with CO measurement. The typical range is between 1.3 and 1.5 V.